Technisonic TDFM-136A VHF/FM Digital Airborne Transceiver User Manual 2

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VHF/FM DIGITAL
AIRBORNE TRANSCEIVER
MODEL TDFM-136A
Operating Instructions
TiL Document No.
09RE405
Revision C
JUNE 2009
Technisonic Industries Limited
240 Traders Boulevard, Mississauga, Ontario L4Z 1W7
Tel: (905) 890-2113 Fax: (905) 890-5338
www.til.ca
REVISIONS for 09RE405 Sections 1 – 2
REV
SECTION
- PAGE - Table 1-1
- Table 1-5
- STC Appr.
- Table 1-5
- Table 1-4 Footer, all
pages.
DESCRIPTION
Changed upper operating temp to +60 C.
Changed lower operating temp to –30 C.
Change references of DO-160C to 160D.
Change Temp & Alt to B4 and D1.
Change Magnetic Effect to class Z.
Change RF Output Power Low to read “1W”.
Remove “Installation and” from “Installation and
Operating Instructions”.
DATE
EDITED
Apr.13/09
May 26/09
S.M.
H.D.
June 15/09
H.D.
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
CAUTION ! STATIC SENSITIVE !
This unit contains static sensitive devices. Wear a grounded wrist strap and/or conductive gloves
when handling printed circuit boards.
FCC COMPLIANCE INFORMATION
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference and (2) this device must accept any interference
received, including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
•
•
•
•
Re-orient or relocate the receiving antenna
Increase the separation between the equipment and receiver
Connect the equipment into an outlet or circuit different from that to which the receiver is
connected.
Consult the dealer or an experienced radio/TV technician for help.
WARNING
Changes or modifications not expressly approved by Technisonic Industries could void the user’s
authority to operate the equipment.
WARRANTY INFORMATION
The Model TDFM-136A transceiver is under warranty for one year from date of purchase. Failed units
caused by defective parts, or workmanship should be returned to:
Technisonic Industries Limited
240 Traders Boulevard
Mississauga, Ontario L4Z 1W7
Tel: (905) 890-2113
Fax: (905) 890-5338
NOTICE: The above stated address supersedes all others that may appear otherwise in this manual.
TDFM-136A Operating Instructions
TiL 09RE405
Page A
TECHNISONIC INDUSTRIES LIMITED
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STC APPROVAL NOTE
Presently, no TSO standard exists for airborne FM transceivers. To make it easier for installation
agencies to provide their customers with an approved installation supported by an effective Airworthiness
Approval, Technisonic has secured Supplemental Type Certificate (STC) Approvals (both US and
Canadian) on its Airborne FM products for many helicopters currently being delivered in the US and
Canada as well as a number of single engine fixed wing aircraft. The above referenced DO-160D test
data is also on file and available from Technisonic to support approval requirements in airframes for
which Technisonic does not possess an STC.
Approved aircraft types are listed in the attachments to the formal STC documents. These STC's are the
exclusive property of Technisonic and require the written authority of Technisonic for their use. To assist
Factory Authorized Technisonic Dealers in the certification process, we have placed copies of our
Canadian and US STC's on our web site along with a letter of authorization for their use. These
documents may be downloaded and used as support for the technical submission to FAA or Transport
Canada. Only authorized factory dealers/installers are permitted to download and make use of these
documents on behalf of their customers (end users) in support of regulatory agency approval. Please
refer to the Technisonic web site www.til.ca for the latest issue of available STC’s and letter of
authorization for use.
COPYRIGHT NOTICE
This document contains designs and other information which are the property of Technisonic Industries
Ltd. Except for rights expressly granted by contract to the Canadian Government, or to the United States
Government, this document may not, in whole or in part, be duplicated or disclosed or used for
manufacture of the part disclosed herein, without the prior permission of Technisonic Industries Ltd.
WARNING AND DISCLAIMER
This manual is designed to provide information about the TDFM-136A. Every effort has been made to
make this manual as complete and accurate as possible.
TDFM-136A Operating Instructions
TiL 09RE405
Page B
TECHNISONIC INDUSTRIES LIMITED
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TABLE OF CONTENTS
SECTION
TITLE
PAGE
Table of Contents ..................................................................................................................................
List of Figures ........................................................................................................................................
List of Tables .........................................................................................................................................
SECTION 1
1.1
1.2
1.3
1.4
1.5
1.6
GENERAL DESCRIPTION
Introduction ............................................................................................................................
Description .............................................................................................................................
Purpose of Equipment ...........................................................................................................
Model Variation ......................................................................................................................
Technical Characteristics .....................................................................................................
Certification Summary ...........................................................................................................
SECTION 2
iv
1-1
1-1
1-1
1-2
1-3
1-5
OPERATING INSTRUCTIONS
2.1
Command Methodology ........................................................................................................
2.2.1 Programming Guide ...............................................................................................................
2.2
Operator Level 1 Commands ................................................................................................
L1-1
Increase Display Brightness ..............................................................................................
L1-2
Increase Display Brightness ..............................................................................................
L1-3
Edit or Select Channel Operating Mode ...........................................................................
L1-4
Scroll Backwards through Available Memories .................................................................
L1-5
Start/Stop Scan .................................................................................................................
L1-6
Scroll Forward through Available Memories .....................................................................
L1-7
Edit Channel Operating Frequency ...................................................................................
L1-8
Decrease Display Brightness ............................................................................................
L1-9
Edit Channel Squelch Mode ..............................................................................................
L1-9.1
Edit Noise Squelch Value .........................................................................................
L1-9.2
Select CTCSS Tone .................................................................................................
L1-9.3
Select DCS Code .....................................................................................................
L1-9.4
Edit Project 25 Talkgroup Value ..............................................................................
L1-9.5
Edit Project 25 NAC Value .......................................................................................
L1-9.6
Edit Project 25 ID Call Value ....................................................................................
L1-0
Command Level Up ..........................................................................................................
L1-#
Not Used ...........................................................................................................................
L1-*
Not Used ...........................................................................................................................
2-1
2-3
2-5
2-5
2-5
2-5
2-6
2-6
2-6
2-7
2-7
2-8
2-8
2-9
2-9
2-10
2-10
2-11
2-11
2-11
2-11
2.3 Operator Level 2 Commands .......................................................................................................
L2.1
Create/Edit All Channel Information ..................................................................................
L2-1.1
Entering a Memory Number .....................................................................................
L2-1.2
Enter a Scan Zone & Enabling/Disabling Scan ........................................................
L2-1.3
Enter a Text Description ...........................................................................................
L2-1.4
Enter an Operating Mode .........................................................................................
L2-1.5
Enter a Frequency ....................................................................................................
L2-1.6
Enter the Squelch Parameters .................................................................................
2-12
2-12
2-12
2-12
2-13
2-13
2-13
2-13
TDFM-136A Operating Instructions
TiL 09RE405
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SECTION
TITLE
PAGE
L2-2
Copy Guard to Main ..........................................................................................................
L2-3
Lock Keypad ......................................................................................................................
L2-4
Not Used ...........................................................................................................................
L2-5
Edit Scan List & Enable/Disable Scan ..............................................................................
L2-6
Edit Channel Text Description ...........................................................................................
L2-7
Create Shadow Channel ...................................................................................................
L2-7.1
Selecting a Primary Number to Base the Shadow On .............................................
L2-7.2
Selecting a Primary Number to Base the Shadow On .............................................
L2-8
Copy Main to Guard ..........................................................................................................
L2-9
Edit Unit ID Value ..............................................................................................................
L2-0
Command Level Up ..........................................................................................................
L2-*
Command Level Down ......................................................................................................
L2-#
Not Used ...........................................................................................................................
2-13
2-13
2-13
2-14
2-14
2-15
2-15
2-16
2-16
2-17
2-17
2-17
2-17
2.4 Operator Level 3 Commands .......................................................................................................
L3-1
Select Boot Channel .........................................................................................................
L3-2
Unused ..............................................................................................................................
L3-3
Select Hex/Decimal Edit Mode ..........................................................................................
L3-4
Display Software Release and Version Information ..........................................................
L3-5
Edit Scan Parameters .......................................................................................................
L3-5.1
Setting the Revert Mode default: last contacted ......................................................
L3-5.2
Setting the Reply-Timer Range: 0-20s, Default: 3 seconds .....................................
L3-5.3
Setting the Monitor-Timer Range: 1-90s, Default: 10 seconds ................................
L3-5.4
Setting the Delay-Timer Range: 0-15s, Default: 5 seconds .....................................
L3-6
Configure the PTT Timer ...................................................................................................
L3-7
Side tone Audio Level Adjust ............................................................................................
L3-8
PC Data Upload/Download ...............................................................................................
L3-9
Display Channel Squelch Parameters ..............................................................................
L3-0
Command Level Up ..........................................................................................................
L3-*
Command Level Down ......................................................................................................
L3-#
Unused ..............................................................................................................................
2-18
2-18
2-18
2-18
2-19
2-19
2-19
2-20
2-20
2-21
2-22
2-22
2-22
2-23
2-23
2-23
2-23
2.5 Maintenance Commands ..............................................................................................................
Accessing the Maintenance Commands ..................................................................................
L4-1
Set Default Record ............................................................................................................
L4-2
Unused ..............................................................................................................................
L4-3
Set Command Permissions ...............................................................................................
L4-4
Unused ..............................................................................................................................
L4-5
Unused ..............................................................................................................................
L4-6
Unused ..............................................................................................................................
L4-7
Unused ..............................................................................................................................
L4-8
Unused ..............................................................................................................................
L4-9
Set Squelch Restrictions ....................................................................................................
L4-9.1
Restricting the Squelch Modes Available to Select .................................................
L4-9.2
Restricting the Squelch Modes Value Edit ...............................................................
L4-9.3
Restricting the CTCSS Tone and DCS Code Values ..............................................
L4-0
Unused ..............................................................................................................................
L4-#
Unused ..............................................................................................................................
L4-*
Command Level Down ......................................................................................................
2-24
2-24
2-25
2-26
2-26
2-27
2-27
2-27
2-27
2-27
2-28
2-28
2-29
2-29
2-29
2-29
2-29
TDFM-136A Operating Instructions
TiL 09RE405
Page ii
TECHNISONIC INDUSTRIES LIMITED
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SECTION
TITLE
PAGE
2.6 Understanding Radio Operation ..................................................................................................
Basic Radio Operation ...................................................................................................................
Channels and Memories ................................................................................................................
Memory Parameters ......................................................................................................................
Operating Modes ...........................................................................................................................
Squelch Modes ..............................................................................................................................
IDCall Operation ............................................................................................................................
Scan Operation ..............................................................................................................................
Mixed Mode Operation ...................................................................................................................
2-30
2-30
2-31
2-31
2-31
2-32
2-33
2-33
2-34
APPENDICES
APPENDIX A CTCSS TONES and DCS CODES .................................................................................
TDFM-136A Operating Instructions
TiL 09RE405
A-1
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TECHNISONIC INDUSTRIES LIMITED
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LIST OF FIGURES
FIGURE
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2-13
2-14
2-15
2-16
2-17
2-18
2-19
2-20
2-21
2-22
2-23
2-24
2-25
2-26
2-27
2-28
2-29
2-30
2-31
2-32
2-33
2-34
2-35
2-36
2-37
2-38
2-39
2-40
2-41
2-42
2-43
TITLE
PAGE
User Screen showing the Command Level Display Position ......................................................2-1
User Screen to Enter a Memory Number ....................................................................................2-5
User Screen to Edit the Operating Mode ....................................................................................2-5
User Screen during Scan ............................................................................................................2-6
Selecting a Memory/Channel that Doesn't Support Scan ...........................................................2-6
User Screen to Edit the frequency ..............................................................................................2-7
User Screen to Edit the Squelch Mode .......................................................................................2-8
User Screen to Edit the Squelch Value .......................................................................................2-8
User Screen to Edit the CTCSS Tone Value ..............................................................................2-9
User Screen to Edit the DCS Code Value ..................................................................................2-9
User Screen to Edit the P25 TalkGroup Value .........................................................................2-10
User Screen to Edit the P25 NAC Valu .....................................................................................2-10
User Screen to Edit the P25 ID Call Value ...............................................................................2-11
User Screen to Enter a Scan List or Enable/Disable Scan .......................................................2-14
User Screen Showing Scan Disabled for this Memory .............................................................2-14
User Screen to Edit the Text Description ..................................................................................2-14
User Screen to Enter a Primary Memory for the Shadow Channel ..........................................2-15
User Screen to Enter a Shadow Channel Memory Number .....................................................2-16
User Screen to Edit the Shadow Channel Parameters (text) ...................................................2-16
User Screen to Select Main Channel Boot Mode .....................................................................2-18
User Screen to Select the Numeric Edit Mode .........................................................................2-18
User Screen Showing the Code Release Information ..............................................................2-19
User Screen to Select the Scan Revert Mode ..........................................................................2-19
User Screen to Set the Scan Reply Timer Value ......................................................................2-20
User Screen to Set the Scan Monitor Timer Value ...................................................................2-20
User Screen to Set the Scan Delay Timer Value ......................................................................2-21
User Screen to Set the PTT Timer Value .................................................................................2-21
User Screen to Set the Sidetone Audio Level ..........................................................................2-22
User Screen to Upload/Download Memory Data to the PC ......................................................2-22
User Screen to Display the Receive Squelch Parameter Values .............................................2-23
User Screen to Display the Transmit Squelch Parameter Values ............................................2-23
The Screw positions to remove the Left-hand Side Panel ........................................................2-24
The Shunt Position to Enable Level 4 Access ..........................................................................2-24
The Screen to Edit the Level 1 Permissions .............................................................................2-26
The Screen to Edit the Level 2 Permissions .............................................................................2-26
User Screen to Edit the Level 3 Permissions ...........................................................................2-26
The Screen to Set Available Squelch Modes for Analog Receive ............................................2-28
The Screen to Restrict Editing of the Squelch Mode Value ......................................................2-29
The Screen to Restrict Available CTCSS Tones ......................................................................2-29
The Screen to Restrict Available DCS Codes ..........................................................................2-29
The TDFM-136A Front Panel Layout ........................................................................................2-30
Identifying Graphic for Primary Channel with Shadows ............................................................2-35
Identifying Graphic for Shadow Channel ..................................................................................2-35
TDFM-136A Operating Instructions
TiL 09RE405
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TECHNISONIC INDUSTRIES LIMITED
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LIST OF TABLES
TABLE
TITLE
PAGE
1-1
1-2
1-3
1-4
1-5
TDFM-136A – General Characteristics .......................................................................................1-3
TDFM-136A – Operational Characteristics .................................................................................1-4
TDFM-136A – Receiver Characteristics – Main and Guard .......................................................1-4
TDFM-136A – Transmitter Characteristics .................................................................................1-5
TDFM-136A – Environmental Testing Summary ........................................................................1-5
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
Command Levels ........................................................................................................................2-1
Command Level Reference ........................................................................................................2-3
Abbreviations and Symbols Used ...............................................................................................2-4
Channel Operating Modes ..........................................................................................................2-5
Receive and Transmit Squelch Modes .......................................................................................2-8
Extra Characters for Text Edit ...................................................................................................2-15
Channel Template Factory Defaults .........................................................................................2-25
Permission Applicability with respect to Command Levels .......................................................2-27
Squelch Modes that can be Restricted .....................................................................................2-28
Receive and Transmit Squelch Modes .....................................................................................2-32
TDFM-136A Operating Instructions
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TDFM-136A Operating Instructions
TiL 09RE405
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SECTION 1 - GENERAL
DESCRIPTION
1.1
INTRODUCTION
This publication provides operating and installation information for the TDFM-136A, Digital
Transceiver manufactured by Technisonic Industries Limited. The TDFM-136A is Project 25
(P25), Phase 1 compliant. The unit offers digital or conventional analog FM communications over
an extended frequency range with selectable channel spacing and is intended for use (in the
U.S.) only by government agencies or contractors thereto, who have obtained licensing for
operation in the 136-150 MHz portion of the band. If the TDFM-136A transceiver is used in
CANADA, operation is restricted to the following sub bands: 138-144, 148-148.99, 149.005150.005 and 150.05-174 MHz. Furthermore the frequency agile transceiver is restricted to
airborne use and must not be operated as a base station in Canada.
1.2
DESCRIPTION
The TDFM-136A, Transceiver is a frequency agile, fully synthesized airborne transceiver capable
of operating in the 136.000 MHz to 174.000 MHz frequency range in 2.5 kHz increments with
either 25 kHz analog, 12.5 kHz analog channel spacing and P25, 12.5 kHz digital modulation on
a channel by channel basis. The Transceiver can operate without restriction on any split
frequency pair in the band and also incorporates a two channel synthesized guard receiver.
The TDFM-136A Transceiver provides 230 operator accessible memory positions. Each of which
is capable of storing Scan List membership information, up to eight (8) character alphanumeric
identifier, and Operating Mode information. In addition each memory position contains information
for both transmit and receive including: frequency, CTCSS tone, DCS (DPL) code, P25
TalkGroup, and P25 Network Access Code (NAC) information.
Channel operating parameters, including frequency and other related data, are presented on a
48-character, two-line LED matrix display. Data entry and function control takes place via a 12button keypad.
1.3
PURPOSE OF EQUIPMENT
The TDFM-136A, Digital VHF/FM Transceiver is designed to provide secondary airborne
communications to facilitate operations which are typically performed in a low altitude
environment. The transmitter section of this unit has a minimum of 8 watts and does not exceed
10 watts output power, which may be reduced by a front panel switch to 1 watt, in order to reduce
interference to land based systems.
TDFM-136A Installation and Operating Instructions
TiL 09RE405
Page 1-1
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
1.4
MODEL VARIATION
There are twelve variations of the Model TDFM-136A Transceiver.
features and performance except for the following differences:
TDFM-136A, P/N 091258-1-10
TDFM-136A, P/N 091258-1-11
TDFM-136A, P/N 091258-2-10
TDFM-136A, P/N 091258-2-11
TDFM-136A, P/N 091258-3-10
TDFM-136A, P/N 091258-3-11
TDFM-136A, P/N 091258-4-10
TDFM-136A, P/N 091258-4-11
TDFM-136A, P/N 091258-5-10
TDFM-136A, P/N 091258-5-11
TDFM-136A, P/N 091258-6-10
TDFM-136A, P/N 091258-6-11
1.5
All units offer identical
GREEN display 28v back lighting, no Encryption.
GREEN display 28v back lighting, with Encryption.
RED display 28v back lighting, no Encryption.
RED display 28v back lighting, with Encryption.
NV display 28v back lighting, no Encryption.
NV display 28v back lighting, with Encryption.
GREEN display 5v back lighting, no Encryption.
GREEN display 5v back lighting, with Encryption.
RED display 5v back lighting, no Encryption.
RED display 5v back lighting, with Encryption.
NV display 5v back lighting, no Encryption.
NV display 5v back lighting, with Encryption.
TECHNICAL CHARACTERISTICS
The tables below provide the technical characteristics for the Technisonic Industries Ltd. Model
TDFM-136A.
TDFM-136A Operating Instructions
TiL 09RE405
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TECHNISONIC INDUSTRIES LIMITED
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TABLE 1-1 TDFM-136A – General Characteristics
Characteristic
Specification
Dimensions (including heat sink)
Approx. 8.0" X 3.0" X 5.75"
Weight
Approx. 3.5 Lbs (1.6 Kg)
Mounting
Panel Mount via DZUS fasteners
Power Requirement:
Voltage
Current
Audio Output Power:
Headset
Speaker Output
28.0 VDC, ±15%
Receive - 0.7 A Max.
Transmit Low Power (1W) - 1.3 A Max.
Transmit High Power (8-10W) - 2.0 A Max.
0.5 Watts into 600 ohms
2.5 Watts min. into 4 ohms
Back Lighting
28 Volts (standard)
5 Volts (specify)
Display Colour
Green (standard)
Red (specify)
NVG (optional)
Temperature Range:
Operating
Storage
Altitude
TDFM-136A Operating Instructions
TiL 09RE405
-30ºC to +60ºC
-55ºC to +85ºC
50,000 feet
Page 1-3
TECHNISONIC INDUSTRIES LIMITED
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TABLE 1-2 TDFM-136A – Operational Characteristics
Characteristic
Specification
Frequency Range:
136.000 to 174.000 MHz
Operating Modes:
Conventional analog: 12.5 / 25 kHz.
P25 CAI: 12 KBPS FSK, 9.6 KBPS C4FM
25 kHz. or 12.5 kHz
Channel Spacing:
Programmable Memories:
Scan Lists
Description
Operating Modes
Frequency
Squelch Modes
CTCSS Tones
230 memories
15 scan lists
Up to 8 characters, alpha-numeric
Analog Wide, Analog Narrow, P25 Digital
Rx/Tx (Simplex/Duplex), 136.0000 – 174.0000
Rx/Tx (Simplex/Duplex), CTCSS Tones, DCS Codes,
P25 TalkGroup, P25 NAC
2 channels programmed with:
Up to 8 characters, alpha-numeric
Analog Wide, Analog Narrow, Digital
Rx/Tx (Simplex/Duplex), 136.0000 – 174.0000
MHz.
Rx/Tx (Simplex/Duplex), CTCSS Tones, DCS Codes,
P25 TalkGroup, P25 NAC
42 CTCSS tones, including all standard tones.
DCS Codes
All standard DCS (DPL1) codes
P25 TalkGroup
$0000 to $FFFF ( 0 to 65535 )
P25 Network Access Code (NAC)
$000 to $FFF ( 0 to 4095 )
Guard Receiver:
Description
Operating Modes
Frequency
Squelch Modes
DPL is a trademark of Motorola Corporation
TABLE 1-3 TDFM-136A – Receiver Characteristics – Main and Guard
Characteristic
Specification
Sensitivity at 12 dB SINAD
-116dBm
Adjacent Channel Selectivity
-60dB (25 or 12.5 kHz)
Spurious Attenuation
-70 dB
Third Order Intermodulation
-70 dB
Image Attenuation
-80 dB
FM Acceptance
± 6 kHz
Hum and Noise
better than 45dB
Audio Distortion
less than 5%
Antenna Conducted Emission
less than -57dBm
TDFM-136A Operating Instructions
TiL 09RE405
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TECHNISONIC INDUSTRIES LIMITED
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TABLE 1-4 TDFM-136A – Transmitter Characteristics
Characteristic
RF Output Power:
Low
High
Output Impedance
1W.
10W.
50 ohms
Maximum Deviation:
Wide (25 kHz)
Narrow (12.5 kHz)
Maximum Deviation – Narrow
± 5 kHz
± 2.5 kHz
± 2.5 kHz (12.5 kHz mode)
Spurious Attenuation
-90 dB below carrier level
Frequency Stability
± 2.5 ppm
Microphone Circuit
Carbon or equivalent
Sidetone Output
0.5W (max) into 600 ohms
Harmonic Attenuation
-65 dB below carrier level
FM Hum And Noise
-40 dB
Audio Input
50 mV at 2.5 into 200 Ω input circuit for ± 3.5 deviation,
adjust.
Less than 5%
Audio Distortion
1.6
Specification
CERTIFICATION SUMMARY
The following table gives a summary of DO-160D Environmental Testing for Technisonic Model
TDFM-136A, VHF Digital Transceiver.
TABLE 1-5 TDFM-136A – Environmental Testing Summary
Conditions
Section
Description of Conducted Tests
Temperature and Altitude
4.0
Equipment tested to categories B4 and D1.
Temperature Variation
5.0
Category B.
Humidity
6.0
Category A.
Operational Shock and Crash Safety
7.0
Category A.
Vibration
8.0
Magnetic Effect
15.0
Equipment is tested without shock mounts to
categories S and U.
Equipment is class Z.
Power Input
16.0
Category B.
Voltage Spike
17.0
Category B.
Audio Frequency Susceptibility
18.0
Category B.
Induced Signal Susceptibility
19.0
Category A.
Radio Frequency Susceptibility
20.0
Category U.
RF Emission (DO-160D)
RF Emission (DO-160C)
Electrostatic Discharge
21.0
Category B.
Category Z.
Category A.
TDFM-136A Operating Instructions
TiL 09RE405
25.0
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SECTION 2 – OPERATING INSTRUCTIONS
This section provides the user with a reference of the keypad accessible programming features of the
Technisonic TDFM-136A VHF/FM Digital Transceiver.
This section is divided into subsections as follows:
2.1
command structure overview and terms
2.2, 2.3, 2.4 and 2.5
detailed command descriptions by level
2.6
detailed operating description
2.1
COMMAND METHODOLOGY
This section describes how the TDFM-136A command structure is organized.
Command Levels
In order to accommodate the necessary commands, the commands have been divided into
different levels, each command level has up to 12 commands numbered 0-9, # and *; the zero
(0), and the ESC (*) key are functions for every level, they allow the user to move between levels
as follows:
step up through command levels
step down through command levels
When stepping through command levels, the indicated level is shown in subscript in the 4th
character position on the lower line of the display. Note that this display position is left blank for
the default level (level1). Table 2-1 shows the command levels and the associated display
character.
Table 2 Command Levels
COMMAND LEVEL
DISPLAY
Command/Operator L1
blank
Command/Operator L2
Command/Operator L3
Command/Maintenance L4
Figure 2-1 below shows the front panel display for different Command levels.
FIGURE 2-1 User Screen showing the Command Level Display Position
In addition to the 3-operator available command levels, the unit can be put into a mode that
allows access for Maintenance. This 4th command level (L4) allows authorized personnel to set
operating policy for the radio through the use of 'Permissions'. These are explained in section 2-8.
This command level should NEVER be enabled in flight.
In order to restrict access to the Command/Maintenance Level 4, the side cover must be
removed, and a maintenance jumper must be installed on the MCU board (see Figure 2-33).
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Command Types
There are two basic command types: Inherent and Edit. An Inherent command is one that
requires no additional input from the user, such as the ‘memory brightness’ or ‘scroll memory’
commands. An Edit command requires further input from the user.
Command Scope
The Main or the Guard Channel can be affected by most, but not all, edit commands. The
channel to be edited depends on the position of the MN/GD and the G1/G2 front panel switches.
In this manual, the scope of the command is given on the command title line as follows:
(MN/GD)
(MN)
Blank
for a command that is valid in both Main and Guard,
for a command that is valid for Main only
for a command that is not subject to channel restrictions.
Command Conventions
After selecting the command, the system expects further input from the user. All edit commands
may be terminated in the same way:
accept the entry and return
abandon the entry and exit
The commands that allow the user to choose an option from a list will always use the up/down
arrows (key 2 and key 8 to step UP and DOWN respectively through the available choices). In
addition, the key that was used to enter the function can be used to step UP through the available
choices.
Example: The L1-3 Mode command allows the user to select the radio's operating mode
(analog wide, analog narrow, or P25 digital). Once the user has selected the
they can press
to step down
to step up, or
command,
through the choices. The advantage of the 'entry key' step method is that the user
does not have to move their finger to a different key to make the choice once the
command has been selected.
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2.2.1
Programming Guide
•
The channel to be edited depends on the position of the MN/GD and the G1/G2 front
panel switches. Table 2-1 below shows the commands divided into command levels: one,
two, three, and four.
•
Radio’s default Command/Operator Level 1 is the only command level not displayed in
the 4th character position on the lower row of the display.
•
key (refer to Table 2-1). The radio
To step through the Command Level, press the
defaults back to the command level 1 in approximately 5 seconds.
FOR ABBREVIATION AND SYMBOL CHART see Table
22
TABLE 2-1 Command Level Reference
1 CHAN
2 up
3 MODE
4 back
5 SCAN
6 fwd
Command/
Operator Level
Select Main Memory
Display – Brighter
Edit Mode
Scroll Memory Down
Scan ON/OFF
Scroll Memory Up
7 FREQ
Edit Frequency
8 down
9 SQL
0 PROG
# ENTER
* ESC
Display – Dimmer
Edit Squelch
Go to next level
n/u
n/u
Key
Command/
Operator Level 2
Program New Memory
Copy Guard to Main
Lock Keypad
n/u
Edit Scan
Edit Description
Create Shadow
Channel
Copy Main to Guard
Set Unit ID
Go to next level
n/u
Go to Previous level
Select Boot Memory
n/u
Select HEX/Decimal Edit
Display Software rev
Set Scan Parameters
Set PTT timer
Command/
Maintenance
Level 4
Set Default Record
n/u
Set Cmd Permissions
n/u
n/u
n/u
Set Side tone Audio
n/u
PC Communications
Display Squelch Values
Go to next level
n/u
Go to Previous level
n/u
Set SQL Permissions
n/u
n/u
Go to Previous level
Command/
Operator Level 3
Command/Maintenance Level 4 allows qualified personnel to configure Access Permissions for
the TDFM-136A radio.
NEVER FLY having the radio with Level 4 commands enabled. This Level 4 is for maintaining
the radio only, the radio may not respond in real time, or as expected when the Maintenance
(Level 4) is enabled!
NOTE:
n/u indicates command keys that are not currently implemented.
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TABLE 2-2 ABBREVIATIONS AND SYMBOLS USED
Abbreviation
& Symbols
•
Section /
paragraph
2-1
2-1
2-1
2-2
2-2
L1-3
L1-3
L1-3
L1-5, L2-3
L1-9.1, L3-3
2-26
•
2-26
2-26
Rx, Tx
L1-9, L2-9, L39, L4-9
Analog squelch mode 'x' is the default squelch mode (noise squelch).
Rt, Tt
L1-9, L2-9, L39, L4-9
Analog squelch mode 't' indicates that both receive and transmit use CTCSS
tone selective squelch. The tones may be the same or different for receive or
transmit.
Rc, Tc
L1-9, L2-9, L39, L4-9
Analog squelch mode 'c' indicates that both receive and transmit use DCS
(digitally coded squelch) code selective squelch. The codes may be the same
or different for receive or transmit.
T-
L1-9, L2-9, L39, L4-9
Analog squelch mode '-' is valid for transmit only, and indicates that transmit
is disabled for this memory.
Rm
L1-9, L2-9, L39, L4-9
Digital squelch mode 'm' is valid for receive only, and indicates that any nonencrypted P25 compliant digital signal, regardless of NAC or TalkGroup
setting, will be received.
Rn
L1-9, L2-9, L39, L4-9
Digital squelch mode 'n' is valid for receive only, and indicates that any nonencrypted P25 compliant digital signal, having the correct NAC, will be
received.
Rg, Tg
L1-9, L2-9, L39, L4-9
Digital squelch mode 'g' is valid for receive and transmit only. For receive it
indicates that any non-encrypted P25 compliant digital signal, having the
correct NAC, and the correct TalkGroup will be received. For transmit it
indicates that the specified NAC and TalkGroup codes will be transmitted.
Ti
L1-9, L2-9, L39, L4-9
Digital squelch mode 'i' is valid for transmit only, and indicates that the
transmitted signal will carry the ID of a specific radio. Only a radio with that ID
programmed as its UNIT ID, should be able to receive that signal.
T-
L1-9, L2-9, L39, L4-9
Digital squelch mode '-' is valid for transmit only, and indicates that transmit
is disabled for this memory.
MN/GD
MN
Blank
DESCRIPTION
Command that is valid in both Main and Guard
Command that is valid for Main only
Command that is not subject to channel restrictions
Accept the entry and return
Abandon the entry and exit
Channel Operating mode Analog Wide (25 kHz)
Channel Operating mode Analog Narrow (12.5 kHz)
Channel Operating mode Digital (12.5 kHz)
The lock symbol indicates that all keypad keys are disabled.
($) symbol is used when indicating a Hexadecimal number, 0-16 ($0-$F).
Shows a command that has a distinct permission.
Shows a command that is available in Guard, but permission is controlled by
Main.
Shows a command that is NOT available for the channel.
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2.2
COMMAND/OPERATOR LEVEL 1
This section lists the commands available to the user in Level 1. The availability of the commands
is subject to the restrictions set by the Permissions policy (see section 2.5, L4-3). Default level –
no display is shown
L1-1
Select the Operating Memory for the Main Channel (MN)
This command allows the user to select the MAIN channel that the radio is operating on. Upon
selecting this command the cursor will appear at the first digit in the channel number as shown:
FIGURE 2-2 User Screen to Enter a Memory Number
Now, select a number from 001 to 230 as follows:
to
decimal mode: enter number, cursor automatically advances
accept the entry and return
abandon the entry and exit
Note:
L1-2
If the channel number selected is out of range then the cursor will remain until the user
enters a valid number. If there is no information programmed for the channel, the editor
will return to the previously displayed channel.
Increase Display Brightness
Press and hold the up arrow (2) key to increase the brightness of the LED display, it stops at
maximum.
L1-3
Edit / Select Channel Operating Mode (MN/GD)
This command will edit the Operating Mode of the selected channel. Upon selecting this
command the cursor will appear at the MODE position. Table 2-3 showing the available
Operating Modes.
Note: If an Operating Mode is selected that is
incompatible with the current Squelch Mode,
then the Squelch mode will automatically be
changed to one that is acceptable for that
Operating Mode (e.g. ‘x' for analog, 'm' for
Digital Rx and 'g' for Digital Tx).
TABLE 2-3 Channel Operating Modes
INDICATOR
OPERATING MODE
‘w’
Analog Wide (25 kHz)
‘n’
Analog Narrow (12.5 kHz)
‘D’
Digital (12.5 kHz)
↑
↓
FIGURE 2-3 User Screen Edit / Select Mode with Indicator in Digital Mode
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You may now edit the Operating Mode as follows:
step through the available entries
accept the entry and return
abandon the entry and exit
L1-4
Scroll Backwards through Available Memories
This command will scroll the Main Channel BACK, or down, through the programmed memories
until reaching the lowest memory programmed, it will then wrap around and restart from the top.
Once the user releases the button the displayed characteristics will be programmed. The scroll
speed will increase as the button is held.
L1-5
Start/Stop Scan (MN)
This command allows the user to start and stop Scan operation. The system will scan the
channels that are in the same scan list that the currently displayed Main channel is a member of.
Note that the channels in the scan list must have scan enabled (see command L2-5) to be
scanned. If the memory scan has been enabled then the following screen appears:
FIGURE 2-4 User Screen during Scan
Once scan has started the scan list digit flashes to indicate that the unit is in SCAN mode. Also
note that the key level indicator position has the lock symbol indicating that all keypad keys are
disabled except for:
stop scan
display brightness
Front panel switch operation is modified as well.
Operation of MN/GD or G1/G2 will terminate scan and restore normal operation of keys and
switches. The front panel Squelch button is disabled. The HI/LO power switch is unaffected.
If the user tries to start scan on a channel or memory that doesn't support scan, you will see:
FIGURE 2-5 Selecting a Memory/Channel that Doesn't Support Scan
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L1-6
Scroll Forward through Available Memories (MN)
This command will scroll FORWARD, or up, through the programmed channels, scroll speed will
increase as the button is held and the scroll will wrap around and restart from the bottom. Once
the user releases the button the displayed characteristics will be programmed.
L1-7
Edit Channel Operating Frequency (MN/GD)
This command allows the user to edit the Operating Frequency of the selected channel. The
frequency will be edited in duplex mode: first Receive, then Transmit. Once the receive parameter
is entered, the 2nd last character in the display will switch from “R” to “T”, the user can now enter
the transmit value. Note that the receive value is automatically entered, so to get simplex
operation, simply accept this entry. The edit screen appears as follows:
FIGURE 2-6 User Screen to edit the frequency
Upon start, the cursor appears at the second character in the Frequency field of the channel to be
edited. The user may now enter the desired operating frequency as follows:
to
decimal mode: enter number, cursor automatically advances
accept the entry and return
abandon the entry and exit
The editor will not accept a value outside the limits of 136.0000 MHz. to 174.0000 MHz. In
addition frequency selection is limited to 2.5 kHz increments in all Operating modes.
L1-8
Decrease Display Brightness
Press and hold the down arrow (8) key to decrease the brightness of the LED display, it stops at
minimum.
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L1-9
Edit Channel Squelch Mode (MN/GD)
This command will edit the Squelch Mode of the selected channel, and then allow the user to
edit the associated Squelch Mode Value. As with the Frequency Edit function above, the Squelch
Edit is in duplex mode, Receive followed by Transmit. The edit screen appears as follows:
↑
↓
FIGURE 2-7 User Screen to Edit the Squelch Mode
Upon start, the cursor appears at the Squelch Mode indicator position of the channel to be edited.
The user may now select the desired Squelch mode from the list, as follows:
step up through available Squelch modes (see table below)
step down through available Squelch modes
accept the entry and return
abandon the entry and exit
The available options are constrained by the operating mode, that is, different Squelch Modes are
available for the analog Operating Modes (wide and narrow) than for the P25 operating mode.
See the table below.
TABLE 2-4 Receive and Transmit Squelch Modes
Analog Rx
Rx Noise
Rt CTCSS Tones
Rc DCS Code
Analog Tx
Noise
CTCSS Tones
DCS Code
Inhibit
Tx
Tt
Tc
T-
Rg
Rn
Rm
Digital Rx
TalkGroup + NAC
NAC Only
Monitor
Tg
Ti
T-
Digital Tx
TalkGroup + NAC
ID Call
Inhibit
Once the Squelch Mode has been selected, the user will be allowed to edit the value of the
selected mode (subject to restrictions imposed by the Squelch Permissions – see L4-3). The
Squelch Modes that may be edited are: Noise, CTCSS Tones, and DCS Codes for analog
operating modes, and TalkGroup, NAC, and ID Call for digital operating mode.
L1-9.1 Edit Noise Squelch Value
Scope:
analog only, receive only, range 0-16 ($0-$F)
If Noise (Rx) is chosen, the prompt line will display the current value for noise squelch
level and place the cursor on the first digit available for the user to edit:
FIGURE 2-8 User Screen to Edit the Squelch Value
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The user may edit the Noise Squelch value as follows:
to
decimal mode: enter number, cursor automatically advances
accept the entry and return
abandon the entry and exit
L1-9.2
Scope:
Select CTCSS Tone
analog only, receive & transmit, 42 tones (67Hz to 254.8Hz)
If CTCSS Tones are chosen, the prompt line will display the current value for that tone:
↑
↓
FIGURE 2-9 User Screen to Edit the CTCSS Tone Value
The user may select from the available tones (Appendix A lists the available choices), as follows:
step up/down through available CTCSS Tones
accept the entry and return
abandon the entry and exit
L1-9.3 Select DCS Code
Scope:
analog only, receive only, 83 codes (23 to 754)
If DCS Codes are chosen, the prompt line will display the current value for that code:
↑
↓
FIGURE 2-10 User Screen to Edit the DCS Code Value
The user may select from the available choices (Appendix A lists the available choices), as
follows:
step up/down through available DCS Tones
accept the entry and return
abandon the entry and exit
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L1-9.4 Edit Project 25 Talkgroup Value
Scope:
digital only, receive and transmit, range 0-65535 ($0000-$FFFF)
If the P25 TalkGroup was chosen the, the prompt line will display the current TalkGroup
value, the cursor will be on the first digit:
FIGURE 2-11 User Screen to Edit the P25 TalkGroup Value
This parameter may be edited in either HEX or in Decimal (see command L3-3). The edit keys
are as follows:
hex edit: step up/down through hex digits (0-9, A-F)
hex edit: move cursor forward / backward
to
decimal mode: enter number, cursor automatically advances
accept the entry and return
abandon the entry and exit
If P25 Talkgroup was chosen, the editor will drop into Edit NAC upon accepting the
Talkgroup value.
Note:
L1-9.5 Edit Project 25 NAC Value
Scope:
digital only, receive and transmit, range 0-4095 ($000-$FFF)
If the P25 NAC was chosen (or after entering the P25 TalkGroup) the prompt line will
display the current NAC value, with the cursor on the first digit:
FIGURE 2-12 User Screen to Edit the P25 NAC Value
This parameter may be edited in either HEX or in Decimal (see command L3-3). The edit keys
are as follows:
hex edit: step up/down through hex digits (0-9, A-F)
hex edit: move cursor forward / backward
to
decimal mode: enter number, cursor automatically advances
accept the entry and return
abandon the entry and exit
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L1-9.6 Edit Project 25 ID Call Value
Scope:
digital only, transmit only, range 0-9,999,999
If the P25 ID Call was chosen, the prompt line will display the current ID Call value. This
parameter may only be edited in decimal, as follows:
FIGURE 2-13 User Screen to Edit the P25 ID Call Value
This transmit-only mode allows the user to try to contact a specific radio by transmitting that
radio's user ID. If no radio has that ID then this will fail.
The keys used to edit the ID call parameter are:
to
decimal mode: enter number, cursor automatically advances
accept the entry and return
abandon the entry and exit
L1-0
Command Level Up
This key selects the next HIGHER Command Level. The Command Level is indicated by a
subscript digit in the 4th character position on the lower row of the display. See table 2-1.
Upon pressing this key, the radio will remain in the new Command Level for 5 seconds, if there is
no further user input within this time then the radio will revert to Level 1. The Direct Command
Level (level 1) is the normal operating mode for the radio and is indicated by a blank space.
L1-#
Not Used
L1-*
Not Used
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2.3
COMMAND/OPERATOR LEVEL 2
Access the Command/Operator Level 2 by pressing the 'PROG' key from the
Command/Operator Level 1 once. The Command Level is indicated in the 4th character position
on the lower row of the display indicating a subscript '2'.
The Command/Operator Level 2 maps the keys to provide a new set of functions for the operator
as shown below.
Note:
L2-1
The system is time limited in command levels above level 1. The system will
automatically return to level 1 if a command has not been selected in five (5)
seconds!
Create/Edit All Channel Information (MN/GD restricted)
This command allows the user to create a new memory position (for Main channel only) or to edit
all the parameters of an existing memory position (Main or Guard channels). The editor steps
through the channel parameters in sequence from left to right across the screen. The edit
functions here match those used to edit an individual parameter; in this case however selecting
the ENTER key accepts the data and proceeds to the next step, rather than returning. Only after
the last step does selecting enter save the data and exit. The ESC key will abandon the entire
edit session without changing an existing channel or creating a new one.
accept the entry and return
abandon the entry and exit
L2-1.1 Entering a Memory Number (refer to L1-1 for details)
When the Create/Edit All command is selected, the first step is to enter the number of the
memory position that you wish to Create or Edit. Note that if the Radio is on a Guard channel
then the editor starts at the “Edit Text” prompt (step 3 below) as the memory number and scan
cannot be edited for Guard channels. The valid range is (001 to 230)
Once a number has been entered, the system checks to see if the memory location has already
been programmed, if so, then the existing data will be loaded, if the location has NOT been
previously programmed then the default template data will be loaded. In each case the user can
edit the channel parameters in the same way as shown in the following steps.
L2-1.2 Enter a Scan List & Enabling/Disabling Scan (refer to L2-5 for details)
The cursor will move to the third (3rd) position on the top line, the default scan list is shown in
subscript. If there is a bar over top of the character, this indicates that scan is disabled for this
memory, if there is no bar, scan has been enabled. The 'PROG' key (key 0) toggles the scan
enabled/disabled state.
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L2-1.3 Enter a Text Description (refer to L2-6 for details)
After SCAN, the cursor moves to the first position in the eight (8) character text description field,
the user may now edit the existing test as desired. The editor allows you to select all upper and
lower (A-Z, a-z) case alphabetic characters, the numbers from zero to nine (0-9), and a selection
of extra characters including the space.
L2-1.4 Enter an Operating Mode (refer to L1-3 for details)
After TEXT, the cursor is positioned on the one (1) character Operating Mode field. This single
character represents the operation of the radio, analog wide, analog narrow, or digital.
L2-1.5 Enter a Frequency (refer to L1-7 for details)
The frequency parameter is a seven (7) digit decimal parameter, though the first digit is always
one so the user cannot edit that digit. The frequency parameter may be edited to any number
between 136.0000 and 174.0000 in 2.5 kHz steps (e.g. 150.0025 is valid, 150.0046 is not).
This is a duplex parameter, that is, the user has a chance to edit both the receive value followed
by the transmit value. Once the receive value has been accepted, pressing 'ENTER' again will
accept the same value for transmit.
L2-1.6 Enter the Squelch Parameters (refer to L1-9 for details)
When the Create/Edit All command is selected, the first step is to enter the number of the
memory position below) as the memory number and scan cannot be edited for Guard channels.
Once the user is finished and selects ‘ENTER’ then the newly edited channel parameters are
selected and displayed for the appropriate channel. This may take a moment as the information is
programmed into the appropriate RF module at this time as well.
L2-2
Copy Guard to Main
Copy current Channel Parameters from Guard to Main (e.g.
). Be sure you wish to do
this, for it cannot be copied back from Main to Guard. This command is disabled from the factory
as a safety precaution (L4-3 Command Permissions).
L2-3
Lock Keypad
This command locks the keypad to prevent accidental change to parameters of the radio
unbeknownst to the operator. This will disable all keyboard functions (except keyboard unlock
and display luminance). To unlock the keyboard, press and hold the 'ESC' key for three seconds.
lock the keypad, display 'locked' until key release
unlock the keypad (after 3 seconds), display 'unlocked' until key release
L2-4
Not Used
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L2-5
Edit Scan List & Enable/Disable Scan (MN)
This command allows the user to select which of the SCAN LISTs (if any) that the selected
channel is included in. The memory must be a member of one of the fifteen (15) scan lists that
are supported. In addition, it allows the user to select whether or not the scan is enabled for the
current memory.
The cursor will move to the fourth (4th) position on the top line, the default scan list is shown in
subscript. If a bar is over the top of the character, this indicates that scan is disabled for this
memory. If there is no bar, then scan has been enabled.
↑
↓
FIGURE 2-14 User Screen to Enter a Scan List or Enable/Disable Scan
The user may select the scan zone for the memory as follows:
step up through available scan lists
step down through available scan lists
toggle the scan enable / disabled (bar = disabled)
accept the entry and return
abandon the entry and exit
If a scan list is full, it will NOT appear in the list. This includes the default list, if this
happens, the unit will display the next higher available list, this will stop at list 15 and
then loop back to list 1.
Note:
FIGURE 2-15 User Screen Showing Scan Disabled for this Memory
L2-6
Edit Channel Text Description (MN/GD)
This command allows the user to edit the text description for the selected channel. There are four
groups of characters that may be used; upper case (A-Z), lower case (a-z), numbers (0-9), and
16 extra characters (shown in table 2-6 below). The user can change character groups at any
time and as many times as desired during a description edit session.
↑
↓
←
←
FIGURE 2-16 User Screen to Edit the Text Description
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The keys for the text editor operate as follows:
step through available edit groups (A-Z, a-z, 0-9, +extra characters – see table 2-6)
scroll up/down through available characters
move cursor forward / backward
accept the entry and return
abandon the entry and exit
Note that the up/down arrow keys are scroll enabled, that is, if you hold them you will scroll
through the character set rather than having to press each time you want to advance.
Table 2-5 Extra Characters for Text Edit
10
11
12
13
14
15
16
“
‘
Note that the first character in the table is a blank space.
L2-7
Create Shadow Channel
This command allows the user to create a shadow channel, the steps are the same as for
creating a regular channel, except that the user must pick a primary channel on which to base the
shadow channel first, and some parameters are not valid for shadow channels so the user is not
given the opportunity to enter or edit these.
L2-7.1 Selecting a Primary Number to Base the Shadow On
Upon selecting the Create Shadow Channel command the user is prompted to enter the primary
channel upon which the shadow channel is based, the screen displays the current memory
number as a default:
FIGURE 2-17 User Screen to Enter a Primary Memory for the Shadow Channel
Now, you must select an already existing channel from within the 001 to 230 limits as follows:
to
decimal mode: enter number, cursor automatically advances
accept the entry and return
abandon the entry and exit
Assume that the user entered a primary of '006'.
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L2-7.2 Selecting a Primary Number to Base the Shadow On
Next the user is prompted to enter the number for the shadow channel:
FIGURE 2-18 User Screen to Enter a Shadow Channel Memory Number
Now, you must not select a number already in use:
to
decimal mode: enter number, cursor automatically advances
accept the entry and return
abandon the entry and exit
Assume that the user entered '061' as the desired shadow channel number. The radio will now
display the data from the chosen Primary channel:
↑
↓
←
→
FIGURE 2-19 User Screen to Edit the Shadow Channel Parameters (text)
The user may now edit those data fields that are valid for a shadow channel. These are:
•
•
•
Text Description
Operating Mode
Squelch Mode and associated value
The editor functions and keys are the same as for any of the independent editor operation, the
difference, as with Create New / Program All (L2-1), is that the ENTER key will advance to the
next editor until all valid fields have been entered, then the ENTER key accepts an exits.
Note that there are some parameters that cannot be edited:
•
•
•
Frequency is fixed to that of the Primary channel
Shadow channels cannot be scanned.
Shadow channels cannot use the Digital Squelch Mode IDcall (i).
L2-8
Copy Main to Guard
Copy current Channel Parameters from Main to the selected Guard (e.g.
). Be sure
you wish to do this, for it cannot be copied back from Guard to Main. This command is disabled
from the factory as a safety precaution (L4-3 Command Permissions).
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L2-9
Edit Unit ID Value (MN/GD)
The Unit ID is a number from 0 to 9,999,999 that is given to the RF module, this number should
be unique within the operating group of radios, but this is NOT a universally mandated number
(e.g. the number is NOT assigned by any P25 umbrella group, or even by the manufacturer), the
user may edit this number as desired.
This command allows the user to Edit the Unit ID, note that the system has two (2) unit ID's one
for the Main, and one for the Guard. The value is editable in decimal only.
to
decimal mode: enter number, cursor automatically advances
accept the entry and return
abandon the entry and exit
L2-0
Command Level Up
This key selects the next HIGHER Command Level, the Command Level is indicated by a
subscript digit in the 4th character position on the lower row of the display (see Section 2.1
above).
L2-*
Command Level Down)
This key selects the next LOWER Command Level, the command Level is indicated by a
subscript digit in the 4th character position on the lower row of the display (see Section 2.1
above).
L2-#
Not Used)
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2.4
COMMAND/OPERATOR LEVEL 3
The Command/Operator Level 3 commands are configuration commands that allow the operator
to configure many of the default parameters of the radio, in addition, level 3 has the PC upload
and download commands.
L3-1
Select Boot Channel
This command allows the user to select which method will be used to determine the memory that
will be used for the Main Channel when the unit is turned on.
The available choices are: the last Selected channel or the last Programmed channel.
The default is: last Selected channel.
FIGURE 2-20 User Screen to Select Main Channel Boot Mode
The user may select the boot memory for the main channel as follows:
toggle the boot mode
accept the entry and return
abandon the entry and exit
L3-2
Unused
L3-3
Select Hex/Decimal Edit Mode
This command allows the user to select whether to edit the TalkGroup and the NAC numbers as
Hexadecimal (Hex) or as Decimal numbers. The other parameters are edited in decimal only.
The default is: Hex Edit Mode (HEX is indicted by a preceding dollar sign: $)
FIGURE 2-21 User Screen to Select the Numeric Edit Mode
The user may select the TalkGroup and NAC Edit mode as follows:
toggle the Hex/Decimal edit mode
accept the entry and return
abandon the entry and exit
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L3-4
Display Software Release and Version Information
This command allows the user to see the current software release and version number for both
the Main code, and the Boot loader code. This information is displayed on the bottom row as
follows:
FIGURE 2-22 User Screen Showing the Code Release Information
The user may select which information is displayed as follows:
toggle the Main/boot loader code version display
exit
The number format is as follows: Release. Version. Revision
So the number: 2.0.0 reads as Release 2, Version 0, Revision 0
Release refers to the fundamental software architecture (i.e. big things)
Version refers to the feature set operating within this architecture
Revision refers to bug fixes and minor updates
L3-5
Edit Scan Parameters (MN)
This command allows the user to edit the parameters that govern the SCAN operation. There are
4 (four) parameters that may be configured: Revert Mode, Reply Timer, Monitor Timer, and Delay
Timer. As with the Create/Edit All command (L2-1), this command is sequential, allowing the user
to move between parameters using the enter key, at the last parameter, this key accepts all and
exits.
L3-5.1 Setting the Revert Mode default: last contacted
The Revert Mode refers to whether the radio will, when keyed, transmit on the selected memory
channel, or on the last contacted memory channel. The radio will only respond on the last
contacted channel for a time determined by the Delay timer setting, once the Timer times out, the
unit will then always transmit on the selected channel.
FIGURE 2-23 User Screen to Select the Scan Revert Mode
The user can select the REVERT mode as follows:
toggle the revert mode
advance to next screen
abandon the entry and exit
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L3-5.2 Setting the Reply Timer Range: 0-20s, Default: 3 seconds
The next screen allows the user to set the scan Reply time. This is the time that the radio will
monitor a channel on which RF was received, after all activity on the channel has ended (Rx or
Tx). If there is further receive or transmit activity on the channel, the timer will reset, and start
again once the activity has ended. When the timer times-out the unit will resume scan. If set to
zero (0), the unit will resume scan immediately upon end of channel activity.
FIGURE 2-24 User Screen to Set the Scan Reply Timer Value
The user can set the Scan Reply Timer value as follows:
to
to decimal mode: enter number, cursor automatically advances
advance to next screen
abandon the entry and exit
L3-5.3 Setting the Monitor Timer Range: 1-90s, Default: 10 seconds
The next screen allows the user to set the scan Monitor time, this is the time that the radio will
monitor a channel on which RF was received, before resuming scanning. Once the timer expires,
the unit will break and resume scan, if the value is set to zero (0) then the unit will monitor the
signal as long as it is received. The edit screen is as follows:
FIGURE 2-25 User Screen to Set the Scan Monitor Timer Value
The user can set the Scan Monitor Timer value as follows:
to
to decimal mode: enter number, cursor automatically advances
advance to next screen
abandon the entry and exit
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L3-5.4 Setting the Delay Timer Range: 0-15s, Default: 5 seconds
The Delay time is the time that the radio will remain monitoring a channel after receiving on that
channel has ended. If the timer is set to zero (0), then the unit will resume scanning immediately
after the receive activity ends. This is the timer that affects the Revert Mode 'Contacted'.
FIGURE 2-26 User Screen to Set the Scan Delay Timer Value
The user can set the Scan Delay Timer value as follows:
to
to decimal mode: enter number, cursor automatically advances
advance to next screen
abandon the entry and exit
L3-6
Configure the PTT Timer
The PTT time will run whenever the user holds PTT. The PTT timer duration may be set using
this command: scroll through the available selections: OFF, 30 seconds, 60 seconds and 90
seconds.
FIGURE 2-27 User Screen to Set the PTT Timer Value
The user can set the PTT Timer value as follows:
to
step up through available timer values
step down through available
advance to next screen
abandon the entry and exit
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L3-7
Sidetone Audio Level Adjust
This command allows the user to adjust the level of side tone. The screen shows the currently
selected level as shown:
FIGURE 2-28 User Screen to Set the Sidetone Audio Level
The user may edit the side tone audio level as a decimal number from 0 to 16 as follows:
to decimal mode: enter number, cursor automatically advances
to
advance to next screen
abandon the entry and exit
Default Level: 10
L3-8
PC Data Upload/Download
This command allows a user to exchange TDFM-136A channel memory files (records) between a
PC and the transceiver. The unit must be connected to a PC running Windows 95, 98 or NT 4.0
and the TiL TDP-136 Radio Communications Software package. To exchange record data the
Transceiver must be in this mode, then the communication is controlled by the PC software. The
transceiver will wait for 25 seconds to receive a valid record before timing out. The radio will
indicate which memory is being transferred, and when the transfer is complete.
FIGURE 2-29 User Screen to Upload/Download Memory Data to the PC
The transceiver may have to swap memory space during the download, if this happens the
activity will be displayed on the front panel and the download will be completed after a SWAP and
ERASE cycle is finished.
There is one user key function:
abandon PC communications mode
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L3-9
Display Channel Squelch Parameters
Display the Squelch parameters for the channel. The data are displayed as follows:
FIGURE 2-30 User Screen to Display the Receive Squelch Parameter Values
When displaying the receive parameters, the noise squelch level appears beneath the “Rx” that
starts the line, this space is blank in the transmit parameters display:
FIGURE 2-31 User Screen to Display the Transmit Squelch Parameter Values
The user can switch between displaying receive and transmit parameters as follows:
toggle the squelch parameter display Rx/Tx
exit the command
L3-0
Command Level Up
This key selects the next HIGHER Command Level, the Command Level is indicated by a
subscript digit in the 4th character position on the lower row of the display (see section 2.1
above).
L3-*
Command Level Down
This key selects the next LOWER Command Level, the command Level is indicated by a
subscript digit in the 4th character position on the lower row of the display (see section 2.1
above).
L3-#
Unused
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2.5
COMMAND/MAINTENANCE LEVEL 4
The Command/Maintenance Level 4 is available to allow authorized personnel to set policy for
the radio use, by granting or restricting access to system commands and features.
This command level does not preserve the Normal Operating display characteristics, that is: the
Main and Guard displays are replaced by suitable command prompt information.
Accessing the Maintenance Commands
Access to the Level 4 commands is restricted to bench use only, in order to achieve this, the
command level requires that a shunt be placed on a specific set of jumper pins on the MCU board
of the radio. To do so refer to Figures 2-32 and 2-33, and follow these steps:
1. Ensure that the power to the unit is OFF.
2. Remove the left hand side cover (10 Philips screws)
3. Locate the 6-pin jumper field (approximately half way between the front and rear of the
radio).
4. Place a 0.1” shunt on the set of jumper pins closest to the front of the radio.
The user can now select level 4 (maintenance mode).
FIGURE 2-32 Screw positions to remove the Left-hand Side Panel
FIGURE 2-33 Shunt Position to Enable Level 4 Access
NOTE: Jumper access to this command level MUST BE DISABLED when the radio is used in
flight, maintenance mode commands are NOT required for flight operation.
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The commands available in this command level are:
L4-1
Set Default Record
This command allows the user to set up the default record that is used when a user selects
Create New/ Edit All (command 2-1). This allows those responsible for setting policy to determine
what parameters they wish to have as system defaults. Some of the parameters are subject to
restrictions set out in L4-9.
NOTE: If these values are set first, and the restrictions are set after, it is possible for the user to
end up using a parameter that you wish to restrict!
The Default Record editor works just like the Create New/ Edit All command (L2-1) except that it
takes you through all the possible squelch combinations so that each selection can be edited.
From the factory, the default channel parameters are as follows:
Table 2-6. The Channel Template Factory Defaults
Parameter
Value
Basic Parameters
Scan List
Text Description
“Desc “
Operating Mode
Rx Parameters
Rx Frequency
141.0000
Rx Squelch Mode
Rx Squelch TalkGroup Value
$0001
Rx Squelch Tone Value
67.0
Rx Squelch Code Value
23
Rx NAC Value
$293
Tx Parameters
Tx Frequency
141.0000
Tx Squelch Mode
Tx Squelch TalkGroup Value
$0001
Tx Squelch Tone Value
67.0
Tx Squelch Code Value
23
Tx NAC Value
$293
Tx ID Call Value
0000001
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L4-2
Unused
L4-3
Set Command Permissions
This command allows those responsible for setting policy to select which commands in the
command set will be accessible in the Command/Operator Levels (levels 1, 2, and 3). All the
commands in those three levels are affected EXCEPT: ‘PROG’ (0) and ‘ESC’ (*).
The factory default configuration has all the commands enabled, except L2-2 and L2-8. Figures 234,2-35 and 2-36 are factory default positions.
The Set Permissions screen shows the level being affected (L1, L2, or L3), followed by the
command number, and an optional 'g' indicating Guard channel operation for that command (if
applicable). The character directly under each number (or associated 'g') indicates whether or not
the command may be accessed. The character is a solid round dot if the command is to be
accessible (enabled). The character is an empty dot or donut if the command is to be restricted
(disabled).
To access the command permissions.
The ‘Set Permissions’ for command level 1,2 and 3 screens appear below:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
FIGURE 2-34 User Screen to Edit the Level 1 Permissions
•
•
•
•
•
•
•
FIGURE 2-35 User Screen to Edit the Level 2 Permissions
•
•
•
•
•
•
•
•
•
FIGURE 2-36 User Screen to Edit the Level 3 Permissions
The user may edit these permissions as follows:
toggle the permission (• =enabled, o= disabled)
step up/down through command levels
move cursor forward / backward through commands
accept the entry and return
abandon the entry and exit
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Note that the cursor will automatically jump to the next valid column, the cursor will wrap. The ‘g’
indicates a separate Guard option; for the commands that support this, the Main and Guard can
be enabled / disabled separately. In addition, some of the commands are either channel agnostic,
or specific to the Main channel only and can thus be invoked for Main even when the radio front
panel switches are in the Guard position.
For example, with the switches in the Guard position, the user can still scroll through the
Main memories using the
and
keys. These types of commands are
available in the Guard mode, but the permissions are determined by the Main permission. The
table below indicates all the available user commands, and shows the permission mode as
follows:
• Shows a command that has a distinct permission.
• Shows a command that is available in Guard, but permission is controlled by Main.
X Shows a command that is NOT available for the channel.
TABLE 2-7 Permission Applicability with respect to Command Levels
Cmd
Num
Level 1
Command
Select MN Memory
Brighter
Edit Op Mode
Scroll MN Memory Down
Scan
Scroll MN Memory Up
Edit Frequency
Dimmer
Edit Squelch
L4-4
Unused
L4-5
Unused
L4-6
Unused
L4-7
Unused
L4-8
Unused
TDFM-136A Operating Instructions
TiL 09RE405
M G
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Level 2
Command
Create/Prog All
Copy GD to Main
Lock Keypad
Not Used
Edit Scan List
Edit Text
Create Shadow
Copy Main to GD
Edit Unit ID
M G
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Level 3
Command
Set Main Boot Memory
Upload to PC
Set Hex/Decimal
Show Version
Edit Scan Params
Set PTT Timer
Set Sidetone Level
Download from PC
Show Squelch
•
•
•
•
•
•
•
•
•
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•
•
•
•
•
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•
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L4-9
Set Squelch Restrictions
This command allows those responsible for setting policy for radio use to control what access the
user has to manipulate the Squelch modes. The restrictions are as follows:
• squelch mode select restrict – limit the user's access to certain squelch modes
•
squelch mode edit restrict – chose which squelch modes the user may edit the values
• squelch mode value restrict - limit specific parameters for a particular squelch mode
To access the squelch restrictions.
These features are described in the sections below. Editor operates as follows:
toggle the enabled/disabled state of the displayed parameter
step up/down through the parameter for each screen
move forward / backward through restriction screens
accept the entry and return
abandon the entry and exit
L4-9.1 Restricting the Squelch Modes Available to Select
You can restrict the Squelch Modes that the user can select for each of Analog Rx, Analog Tx,
Digital Rx, and Digital Tx operation. Note that not all Squelch Modes can be restricted, table 2-8
below shows the available Squelch Mode for each Operating Mode and shows which can be
restricted.
Table 2-8 Squelch Modes that can be Restricted
Analog Rx
Tone
Code
Analog Tx
Tone
Code
Inhibit
Digital Rx
NAC
Talkgroup
Digital Tx
IDcall
Inhibit
The screen shown below is an example of the screens that allow you to restrict which Squelch
Modes appear to the user when 'Edit Squelch' is selected (L1-9, or in L2-1, or L2-7).
•
FIGURE 2-37 Screen to Set Available Squelch Modes for Analog Receive
Here, the user can restrict the individual Squelch Modes that will appear to the user in the Analog
Squelch mode selector for receive, the same can be done for analog transmit.
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L4-9.2 Restricting the Squelch Modes Value Edit
This screen allows you to restrict which Squelch Modes can have their values edited by the user.
The access to selecting these modes is not affected here. Example, if Noise mode is disabled
here, then the user can select Noise (for analog Rx operation), but cannot change the Noise
Squelch level.
The screen shown below allows you to restrict which Squelch Modes can be edited by the user,
these modes can be selected, but the parameter value cannot be changed from the default.
•
FIGURE 2-38 Screen to Restrict Editing of the Squelch Mode Value
L4-9.3 Restricting the CTCSS Tone and DCS Code Values
The list of both CTCSS Tones and DCS Codes, that are available to the user in the related
Squelch Mode Editor, can be restricted so that only certain Tones and Codes are available to the
user during the edit session. The CTCSS Tone value restrict screen appears as below:
•
FIGURE 2-39 Screen to Restrict Available CTCSS Tones
Here, you can step through the list of all the CTCSS Tones, and restrict individual tone values
from appearing to the user in the CTCSS Tone selection list.
The DCS Code value restrict screen appears as below:
e:
•
FIGURE 2-40 Screen to Restrict Available DCS Codes
Here, you can step through the list of all the DCS Codes, and restrict individual code values from
appearing to the user in the DCS Code selection list.
L4-0
Unused
L4-#
Unused
L4-*
Command Level Down
Return to the next lower Command Level (Command/Operator Level 3).
2.6
UNDERSTANDING RADIO OPERATION
Basic Radio Operation
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The basic operation of the TDFM-136A radio is accomplished through the front panel user
interface. The front panel layout is shown in figure 2-41 below.
FIGURE 2-41 The TDFM-136A Front Panel Layout
The front panel comprises the following:
A) LED display, two line x 24 character
B) Rotary volume control (with on/off switch)
C) Rotary volume control
D) Push button switch (momentary contact)
E) Toggle switch (two position: MN/GD)
F) Toggle switch (two position: G1/G2)
G) Toggle switch (two position: HI/LO)
H) Keypad, twelve button (numbers 0-9, # and *)
I) Keyloader
The display provides two lines of text information—in the normal operating mode, the top
line provides information about the Main channel, the bottom line information about the
selected Guard channel.
B & C The rotary potentiometers control the audio level for each of the Main and Guard
channels respectively. The Main volume control also contains the radio power switch.
The single pushbutton provides the squelch defeat function and opens the squelch in
analog modes, and sets the receive squelch to accept all in digital modes (though this will
not open the squelch unless there is a valid P25 digital signal present).
E, F
The three toggle switches allow the user to select:
&G
Main and Guard channels, Guard 1 or Guard 2 channel, and High or Low RF power.
Note that the channel select switches (MN/GD and G1/G2) will control which channel is
active for any channel editing command (see Sections 2.1 through 2.5).
The 12 button keypad allows the user access to the system commands including
commands for selecting channels, editing channel parameters, and for system
configuration.
Keyloader (for future use).
PTT keying is provided via the back connector, and is part of a correctly installed system.
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Channels and Memories
The radio supports 2 channels: Main, and Guard. The currently selected channel (ie that channel
that the radio will transmit on when PTT is asserted) is determined by the position of the MN/GD,
and G1/G2 switches.
The Main channel supports multiple memory positions, that is, the user can select Main channel
parameters by switching to a different memory position. The radio supports up to 230 memories
for the Main channel.
The Guard channel supports only two memory positions: G1 and G2 these memories are only
accessible via the front panel switches.
Memory Parameters (L1-3,7,9, L2-1,5,6, L4-1)
Each memory has a variety of parameters that may be edited by the user, some are restricted
under certain operating conditions:
Example:
while scan is available for any Main channel memory, the user may not set scan
parameters for either Guard channel or for 'shadow' channels on the Main channel.
The user can manipulate the memory parameters by using the editing commands described in
sections 2.2 (Level1) and 2.3 (Level2). User accessible parameters include:
• memory number
• scan list
• text description
• operating mode
• frequency
• squelch mode and squelch mode value
In addition to editing the memory parameters, the user can create new memories or edit all the
parameters of a memory, using the command L2-1. When started, this command displays the
contents of the memory (if currently programmed), or displays the default memory parameters, if
creating a new memory (for Main channel only). The memory parameter defaults can be edited
using the command L4-1.
Operating Modes (L1-3)
The unit supports three operating modes: Analog wide, analog narrow, and P25 digital. In the
analog wide mode, the radio is operating on 25 kHz channel spacing, on both analog narrow, and
in P25 digital mode, the radio operates with 12.5 kHz channel spacing. The user can easily
switch between modes on any memory for any channel (e.g. any Main memory, and both Guard1
and Guard2). Since the squelch modes are not common across analog and digital operating
modes, if you change across these modes, the Squelch Mode will be affected.
The user can select the operating mode using the L1-3 command.
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Squelch Modes (L1-9, L2-9, L3-9, L4-9)
The radio supports a variety of squelch modes for both analog and digital operation, these are
shown in table 2-8 below.
TABLE 2-9 Receive and Transmit Squelch Modes
Analog Rx
Rx Noise
Rt CTCSS Tones
Rc DCS Code
Tx
Tt
Tc
T-
Analog Tx
Noise
CTCSS Tones
DCS Code
Inhibit
Rg
Rn
Rm
Digital Rx
TalkGroup + NAC
NAC Only
Monitor
Tg
Ti
T-
Digital Tx
TalkGroup + NAC
ID Call
Inhibit
Squelch modes are non-orthogonal, that is, they are not the same across differences in Operating
Mode or for receive and transmit operation. While the user might never use certain squelch
modes for certain channels, the associated parameters are always there.
Example:
the user may keep a certain channel in analog narrow mode only, with no
selective squelch chosen, but that channel does have a CTCSS tone, a DCS code, a TalkGroup
and a NAC assigned, it is just that these parameters are not used.
Each squelch parameter exists for each channel, and each has a default value, these default
values, like all user editable channel parameters, can be set using the Maintenance Level
command (L4-3).
In addition, Squelch use may be restricted according to: which Squelch Modes may be selected
for any Operating Mode, which Squelch Modes may be edited (e.g. change value), and – in the
case of Tones and Codes – which values are available to be selected. See command L4-9.
Analog Mode 'x'
The analog squelch mode 'x' is the default squelch mode, in the case of
the TDFM-136A, the default receive mode is noise squelch. In the case
of transmit, there is no special selective squelch signal added.
Analog Mode 't'
The analog squelch mode 't', indicates that both receive and transmit use
CTCSS tone selective squelch. The tones may be the same or different
for receive or transmit.
Analog Mode 'c'
The analog squelch mode 'c', indicates that both receive and transmit
use DCS (digitally coded squelch) code selective squelch. The codes
may be the same or different for receive or transmit.
Analog Mode '-'
The analog squelch mode '-', is valid for transmit only, and indicates that
transmit is disabled for this memory.
Digital Mode 'm'
The digital squelch mode 'm', is valid for receive only, and indicates that
any non-encrypted P25 compliant digital signal, regardless of NAC or
TalkGroup setting, will be received.
Digital Mode 'n'
The digital squelch mode 'n', is valid for receive only, and indicates that
any non-encrypted P25 compliant digital signal, having the correct NAC,
will be received.
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Digital Mode 'g'
The digital squelch mode 'g', is valid for receive and transmit only. For
receive it indicates that any non-encrypted P25 compliant digital signal,
having the correct NAC, and the correct TalkGroup will be received. For
transmit it indicates that the specified NAC and TalkGroup codes will be
transmitted.
Digital Mode 'i'
The digital squelch mode 'i', is valid for transmit only, and indicates that
the transmitted signal will carry the ID of a specific radio. Only a radio
with that ID programmed as its UNIT ID (see command L2-9), should be
able to receive that signal.
Digital Mode '-'
The digital squelch mode '-', is valid for transmit only, and indicates that
transmit is disabled for this memory.
ID Call Operation
The radio can be configured, in digital mode, to use ID call as a selective squelch method, in this
mode the transmitting unit sets it's TalkGroup to zero (0), and transmits the intended Unit ID
number (decimal 0 to 9,999,999), upon seeing the '0' talkgroup, the receiver ignores everything
except the ID number.
Of course the receiver will have to be on the correct frequency, and in digital mode.
The TDFM-136A has two (2) distinct RF modules (Main and a dedicated Guard receiver). Unit
ID's are not selected at the factory (all units ship with default IDs of 1 for Main and 2 for Guard),
so each of these needs to have a Unit ID programmed.
Scan Operation (L1-5, L2-5, L3-5)
The radio supports a basic scan mode that operates on the Main channel only. The scan function
allows users to monitor up to 16 channels at a time. All memories must be a member of one, and
only one, scan list; each scan list can hold up to 16 memories. Each memory in a scan list can be
enabled for scan or disabled (see command L2-5).
To scan a particular list: the radio must have a memory, with its scan enabled, selected for the
Main channel.
Example:
There are seven (7) memories assigned to scan list three (3), channels 5, 6, 13,
15, 23, 34, and 51 are all members of scan list 3. Channels 6 and 15 have scan disabled, the rest
have scan enabled. If the user is on channel 6 or 15 and tries to start scan (command L1-5),
there will be an error message: “Error: Non-Scanned Chan” and nothing will happen. If the user is
on any other channel in scan list three, then the five scan-enabled channels in list three will be
scanned.
You can enable or disable scan for the displayed memory (for Main channel only) by using the
command L2-5.
You can affect the scan operational parameters by using command L3-5. This command allows
you to affect the following four (4) parameters:
•
•
•
•
Revert Mode
Reply Timer
Monitor Timer
Delay Timer
TDFM-136A Operating Instructions
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Revert Mode The Revert Mode refers to whether the radio will, when keyed, transmit on the
currently selected memory channel, or on the last contacted memory channel. The radio will only
respond on the last contacted channel for a time determined by the Delay Timer setting, once the
Timer times out, the unit then always transmits on the selected channel.
Default: last contacted
Reply Timer The scan Reply time is the time that the radio will monitor a channel on which RF
was received, after all activity on the channel has ended (Rx or Tx). If there is further receive or
transmit activity on the channel, the timer will reset, and start again once the activity has ended.
When the timer times-out the unit will resume scan. If set to zero (0), the unit will resume scan
immediately upon the end of channel activity.
Range: 0-20s, Default: 3 seconds
Monitor Timer This is the time that the radio will monitor a channel on which RF was received,
before resuming scanning. Once the timer expires, the unit will break and resume scan, if the
value is set to zero (0) then the unit will monitor the signal as long as it is received.
Range: 1-90s, Default: 10 seconds
Delay Timer
The Delay time is the time that the radio will remain monitoring a channel after
receiving on that channel has ended. If the timer is set to zero, (0), then the unit will resume
scanning immediately after receive activity has ended. This is the timer that affects the Revert
Mode 'Contacted'.
Range: 0-15s, Default: 5 seconds
Mixed Mode Operation (L2-7)
The radio supports a mode of operation that allows mixing of analog and digital operating modes.
In effect, this mode allows one memory position to be set up as though it has up to 8 sets of
parameters associated with it. This mode is also referred to as 'multi-mode' or 'shadow channel'
operation.
The user invokes this mode by creating a 'shadow' memory (using command L2-7) and assigning
it to an existing memory (known as the 'primary').
Any 'primary' can have up to seven (7) 'shadows' for a total of eight (8) sets of operating
parameters (1 primary + 7 shadows). Each 'shadow' takes up one memory position, just like a
normal memory.
The shadows have certain restrictions:
• a shadow must have the same frequency as the primary
• a shadow cannot have scan enabled
• a shadow cannot transmit in digital ID call (i) mode
You can mix analog and digital Operating Modes, you can configure different shadows to have
different squelch parameters.
Shadow operation is much like scan in last contacted mode, once a signal has been received, the
user has a set amount of time to key the radio, the unit will transmit with the parameters of the
shadow that decoded the signal: in other words you will respond to the person who called you.
TDFM-136A Operating Instructions
TiL 09RE405
Page 2-34
TECHNISONIC INDUSTRIES LIMITED
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When mixing analog noise squelch with analog selective squelches, the noise squelch shadow
will delay decode for a short time to allow the selective squelch channels time to decode, if none
of the selective squelch channels decode a valid signal, then squelch is broken on the noise
squelch channel.
The radio will operate in Mixed Mode when the Main channel has any memory in the shadow
group selected (e.g. either Primary or any shadow). The only difference between selections is
that if the user keys the radio, other than to respond to a received transmission, then the radio will
transmit using the displayed parameters.
Primary channels with shadows are identified with a large diamond in the 4th character position:
∀
FIGURE 2-42 Identifying Graphic for Primary Channel with Shadows
Shadow channels are identified with a small diamond in the 4th character position:
∀
FIGURE 2-43 Identifying Graphic for Shadow Channel
TDFM-136A Operating Instructions
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TDFM-136A Operating Instructions
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APPENDIX A – CTCSS TONES and DCS CODES
Available
CTCSS TONES
TONES
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
162.2
167.9
173.8
179.9
186.2
192.8
203.5
206.5
210.7
218.1
225.7
229.1
233.6
241.8
250.3
254.1
TDFM-136A Operating Instructions
TiL 09RE405
Available
DCS CODES
CODES
23
25
26
31
32
43
47
51
54
65
71
72
73
74
114
115
116
125
131
132
134
143
152
155
156
162
165
172
174
205
223
226
243
244
245
251
261
263
265
271
306
311
CODES
315
331
343
346
351
364
365
371
411
412
413
423
431
432
445
464
465
466
503
506
516
532
546
565
606
612
624
627
631
632
654
662
664
703
712
723
731
732
734
743
754
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TDFM-136A Operating Instructions
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