Technisonic TFM-500 Mobile User Manual 31324

Technisonic Industries Limited Mobile 31324

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Date Submitted1999-04-09 00:00:00
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Document Author: jsoscia

VHF/FM
AIRBORNE TRANSCEIVER
MODEL TFM-500
(P/N's 971083-1,3 -VHF Guard Module)
Installation and
Operating Instructions
TiI Document No.
98RE243
Rev. N/C
Issue 1
JANUARY 1999
| | | L|
250 Watllnl Avonun, Mini-sauna, Ontario LAZ IP4 Tol:(905)890-21 13 Fax:(905)390-5338
3340 53:1 Robinson Road, Suite 214, Amhlrlt, Naw Yolk 1AZZB Tel:(718l691 41689
CAUTION
This unit contains static sensitive devices. Wear a grounded wrist strap and/or conductive gloves when
handling printed circuit boards.
NQTE: 17ris equipment has been tested and found to comply with the limits for
a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful Interference when
the equipment ls operated in A commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not Installed
and used in eccordunce with the insuuetion manual, may cause hennful
interference to radio cammuneetions. Operation of this equipment in a
residential area is likely to cause harmful Interference in which case the user
Will be required to correct the interference at his own expense,
Miami!!!“
Changes or modifications not expressly approved by Technisonic Industries could void
the user's authority to operate the equipment.
WARRANTV INFORMATION
The Model TFM—SOO, 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 Technisonic Industries Limited
250 Watline Avenue 3840 E. Robinson Road, Suite 214
Mississauga, Amherst,
Ontario L4Z 1P4 New York 14228
Tel: 1905) 890-2113 Fax: (905) 890-5338 Tel: (716) 691-0669
A Page
Paragraph
SECTION 1
_|_._|a_|
macaw—-
SECTION 2
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
SECTION 3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.7.1
3.7.2
3.7.3
3.7.4
3.7.5
3.7.8
3.7.7
3.7.8
3.7.9
3.8
3. 9
3.10
3.11
3.12
3.13
3.14
TABLE OF CONTENTS
Title Page
GENERAL DESCRIPTION
Introduction ............................................... 1-1
Description ................................................ 1-1
Purpose of Equipment ........................................ 1-1
Model Variation ....... 1-2
Technical Summary . 1—2
OPERATING INSTRUCTIONS
Operating Features .......................................... 2-1
Operating Instructions . . .
Programming Instructions .
Scanning Function ................
Priority and Selective Memory Channel Scanning
Direct Frequency Entry Mode ...................................
Receive Frequencv Simplex Function . . . . . . . .
Keyboard Lockout Function ....................................
Variable Frequencv Mode Function
LED Display Variable Dimming Mode . . . . . . . . . . . . . .
90 Second Transmitter Time Out Feature ........................... 2-7
Quick Guard Programming Feature ............................... 2-7
Programming CTCSS Tones .......... . . . . . . . . . 2-8
PC Memory/Programming Download Capability ....................... 2-9
INSTALLATION INSTRUCTIONS
General ........................
Equipment Packing Log . .
Transceiver Installation
Installation Kit - Contents ......... . . .
Antenna Installation ...................
Installation - Pin Locations and Connections . . .
Wiring Instructions .
Main Power +28VDC .
Main Ground .....
PTT (Ground Keying) . . . . . .
Front Panel Back Lighting .........
Audio Outputs 1600 and 4 Ohms) . . .
Audio Output Ground .
Mic Signal Input .......
Memory Up/Memorv Down . . . . . . . .
Data Input ..............................
Internal Programming and Guard Enable/Disable Jumper
Transmitter Power Adjustments ...............
Transmitter Microphone Laval Adjustment
Transmitter Sidetone Level Adjustment . . . . . .
Main and Guard Squelch Adjustment ..........................
Transmitter Deviation Adjustment ............................ .
Guard Receiver Audio Limit Feature ............................... 3-9
Table No.
3-1
Figure No.
2-1
22
3-2
3—3
3-5
LIST OF TABLES
Title Page
9-pin D and 157Pin D Connections ................................ 3-3
LIST OF ILLUSTRATIONS
Title Page
Operator's Switches and Controls ................................ 2-3
PC Uri/Download Cable - Wiring Diagram . . . 2v12
Outline Drawing ................. . . 4 3—2
Wiring Connections ............... . 3-4
Interal Enable/Disable Jumper Locations . . . . . . . . 3-7
External Adjustment Access Holes ..... . . , . . A ..... 3-8
Deviation Adjustment Potentiometer Location ....................... 3-10
1.1
1.2
1.3
1.4
SECTION 1
GENERAL DESCRIPTION
INTRODUCTION
This publication provides operating and installation information on the TFM-SOO Transceiver.
manufactured by Technisonic Industries Limited. The unit offers an extended frequency range
with selectable channel spacing and is intended for use {in the U.S.l only by government
agencies or contractors thereto, who have obtained licensing for operation in the 138-150 MHz
portion of the band. If the TFM-500 transceiver is used in CANADA, VHF operation is restricted
to the following sub bands: 138—144, 14844839, 149005450005 and 150.05-174 MHz.
DESCRIPTION
The TFM-500, Transceiver is a frequency agile, fully synthesized airborne transceiver
capable of operating in the 138 to 174 MHz and 403 to 512 MHz frequency range in 2.5 kHz
increments with either 25 kHz or 12.5 kHz channel spacing. The Transceiver can operate
without restriction on any split frequency pair in either band and also incorporates a two
channel VHF synthesized guard receiver.
The TFM-500 Transceiver provides 200 operator accessible memory positions per band, each
of which is capable of storing a transmit frequency, receive frequency, transmit frequency
CTCSS tone or DPL code, receive frequency CTCSS tone or DPL code, an alphanumeric
identifier for each channel and wideband (25 kHz) or narrowband (12.5 kHz) channel spacing
assignment. Operating frequency and other related data are presented on a 96 character, four
line LED matrix display. Data entry and function control are performed via a 12 button keypad.
Preset channels may also be scrolled and scanned through keypad function activation. Data
may also be entered via an MS-DOS based computer with the provided software and optional
PC Upldownload cable, PIN Sxxxxxxx.
PURPOSE OF EQUIPMENT
The TFM-SOO, VHF/UHF FM Transceiver is designed to provide secondary airborne
communications to facilitate operations which are typically performed in a low altitude
environment. The transmitter sections of this unit have a minimum of 8 watts and do 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.
MODEL VARIATION
There are four variations of the Model TFM—BOO Transceiver. All units offer identical features
and performance except for the following differences:
TFM-SOO, PIN 971083-1 GREEN display and 28 Volt back lighting.
TFM—EOO, P/N 9710831 l5Vl. GREEN display and 5 Volt beck lighting.
TFM—SOO, PIN 971083-3 RED display and 28 Volt back Iigting.
TFM-SOO, P/N 971083-3 (5V), RED display and 5 Volt back lighting.
Both P/N's 971083-1 and 971083—3 are always provided with 28 Volt back lighting unless a
specific request is made for 5 Volt AC operation.
TECHNICAL CHARACTERISTICS
Mien
QENERAL
Model Designation:
Frequency Range:
Tuning Increments:
Operating Mode:
Channel Spacing:
Physical Dimensions (including heatsink):
Weight:
Mounting:
Operating Temperature Range:
Power Requirement:
Voltage:
Current:
Frequency Selection:
Guard Receiver:
CTCSS squelch/encoder:
DPL digital squelch/encoder:
DTMF encoder:
Audio Outputs:
Speaker Output:
Back Lighting:
Display Colour:
£1?th - tindemlrk or woman. Corporation
1—1
: . t
TFM-500
138m 174 and 403m 512 MHz
2.5 kHz
F3E simplex or semi-duplex
25 or 12.5 KHz
Approx. 8.0" X 3.0" X 5.75"
Approx. 5.1 Lbs (2.3 Kg)
Panel Mount via Dzus tastners
40°C to +60°C
28.0 Vdc, r 15%
Receive - 1.0 A Max.
1 Watt Transmit , 2.0 A Max.
8-10 Watt Transmit - 3.2 A Max.
5-10 Watt Dual Transmit
- 5 A Max.
200 memories per band
programmed with:
a) Tx Frequency/Rx Frequency
b) Tx/Rx CTCSS tone or DPL code
c) 9 character alpha numeric title
2 channels programmed with:
3) Tx Frequency/Rx Frequency
b) Tx CTCSS tone or DPL code
c) 9 character alpha numeric title
All CTCSS tones available
All standard DPL codes
All standard DTMF tones
0.5 Watts into 600 ohms
2.5 Watts min. into 4 ohms
23 Volts (standard) or
5 Volts (specify)
Green (standard) or Red (specify)
1 .5 TECHNICAL CHARACTERISTICS Icontlnued)
VHF RECEIVER
Sensitivity at 12 dB SINAD Better than 0.35 [N
Adjacent Channel Selectivity -75 dB (25 kHz)
»70 (15 (12.5 kHZ)
Spurious Attenuation -90 dB
Third Order Intermodulation -70 dB
Image Attenuation —80 dB
FM Acceptance t 6 KHz
Hum and Noise Better than 45 dB
Audio Distortion less than 5%
Antenna Conducted Emission less than -70 dBm
UHF RECEIVER
Sensitivity at 12 dB SINAD Better than 0.35 AN
Adjacent Channel Selectivity -70 dB (25 kHz)
-30 dB (12.5 kHz)
Spurious Attenuation »90 dB
Third Order lntermodulation —70 dB
Image Attenuation -60 dB
FM Acceptance : 6 KHZ
Hum and Noise Better than 45 118
Audio Distortion less than 596
Antenna Conducted Emission less than -70 dBm
GUARD RECEIVER
AII specifications identical to VHF receiver
VHF and UHF TRANSMITTER
RF Power Output
Output Impedance
Maximum Deviation
(In narrowband model
Spurious Attenuation
Frequency Stability
Microphone Circuit
Sidetone Output
Harmonic Attenuation
FM Hum And Noise
Audio Input
Audit: Distortion
1 wall or 10 watts
50 ohms
15 kHz (25 kHz mode)
125 kHz(12.5kHz mode)
»90 dB below carrier level
i 2.5 ppm
Carbon or equivalent
0.5W (max) into 6000
-65 dB below carrier level
-40 dB
50 mV at 2.5 KHz into
200 0 input circuit for
1 3.5KHz deviation, adjst.
Less than 5%
2.1
SECTION 2
OPERATING INSTRUCTIONS
FEATURES
The equipment has several important operating features which provide maximum flexibility,
performance and versatility. These features include:
1.
2.
VHF and UHF bands that can be configured to be operated independently or as a single
unit.
The unit can be set up as a crossband repeater, linking a VHF and UHF frequency in
both directions.
200 memory positions per band which can each be programmed with a transmit and
receive frequency with 25 or 12.5 kHz channel spacing, Tx/Rx CTCSS tones or DPL
codes and a 9—character alphanumeric title.
2 guard channels which can each be programmed with a Rx frequency with 25 or 12.5
kHz channel spacing, CTCSS Tx tone or DPL code and a 9-character alphanumeric title.
Scanning of preprogrammed memories with selective memory scanning, in 5 scan lists.
Priority scan of memory channel 1, if desired.
Direct frequency entry mode.
Receive frequency simplex function.
Switchable RF output power between 1 watt and 8710 watts.
Lockout of keyboard to prevent inadvertent entries.
Variable frequency mode to manually scan up and down in 2.5 kHz steps.
LED display variable dimming made.
Selectable 90 second Tx time out feature.
Quick download of any of the VHF memory positions to the guard memories.
PC Memory Upload or Download capability.
Configuration Menu - Pressing ENTER, RCL and FUNC together while turning the radio
on will put it into configuration mode.The programming features
affected are:
a) DPL - Can be turned on or off with th MUP and MDN
(4 and 7) keys. This only removes the DPL entry
step from the programming sequence and does not
stop memories that already have DPL codes from
working. This also applies to the rest of the on/off
configurable items.
bl Scan - Can be disabled. Selecting FUNC and SCAN will
do nothing if Scan is off. The scan list indicator 1+)
will still display if was previously programmed.
c) Rx CTCSS - Can be turned on or off from the
programming sequence. This affects only the
CTCSS tones for receive.
it) FUNC 7 ~ Can be turned on or off. When off, the main
memory channel can not be dumped into one of the
guard channels using function 7.
e) LAST MEM — If set to on. the last memory channel on
the display will be what comes up when the
radio is turned on. If set to off, the last memory that
changes were made to will be what comes up when
the unit is switched on.
l)DUALMDDE - If set to on, the UHF and VHF bands are operated
independently and simutaniously. The radio is shipped with
this feature OFF.
2—1
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2-2
Operator‘s Switches and Controls
2.2
2.3
OPERATING INSTRUCTIONS lSee Figure 2-1)
1. Switch power on by turning the main volume clockwise. Depending how the radio is
configured, either the last programmed or last displayed frequencies will appear on the
screen. The transceiver is now in normal operating mode.
2. Adjust the audio level by adjusting the VHF, UHF and GUARD volume knobst
3, Pressing the squelch defeat button will open all receivers to confirm they work.
4. Read the display. The top line will indicate which VHF memory is selected followed by
a " +" if the memory position is included in a scan list, an alphanumeric message, and
the frequency of the VHF receiver. A small "n“ before the frequency indicates 12.5 kH:
narrowband channel spacing is in effect on this memory position. In the receive mode,
the frequency is followed by an "HT" if a RX CTCSS tone or RX DPL code is
programmed, or an "RX" if no Receive tone/code is programmed. Similarily, in the
transmit mode either a "TT“ or "TX" is shown after the frequency. The second line
shows the same information for the UHF band. The third line indicates information
about the guard receiver.
5. Only TX CTCSS tones or TX DPL codes may be programmed for the guard receiver.
At the beginning of each line, an LED indicates open squelch.
6. Set the VHF/UHFIGD switch to the desired band.
7. Set the G1/GZ switch to the desired guard channel.
8. Set the HI/LO switch to the desired RF output power.
9. Select the desired memory by using the M.UP and M.DN buttons, or the RCL button
and a three digit number followed by ENTER.
10. To transmit DTMF tones, use the keyboard keys while holding the FTT button on the
microphone. There is a 5 second FTT delay after pressing a key so that you may press
several DTMF keys in sequence without having to hold the PTT. The keyboard returns
to its normal function when the PT!“ is released.
The display always shows the status of both receivers and the transmitter. The light at the left
of each line indicates which receiver is receiving. The display also indicates the memory
channel in use and the guard channel in use, A "TX" (no TX tone/codes programmed) or
"TT"(aither TX tone or code programmed) on the right side of the display indicates which hand
is active when transmitting. The transmit frequency is also shown. In the receive mode the
display shows “RX” beside the receive frequency if no RX tone or DPL code is programmed and
“RT“ if a CTCSS tone or DPL code is programmed.
While in any programming mode, all receivers continue to function.
When the transceiver is in either of the operating frequency or CTCSS tone/DPL code
programming modes and you must respond to a call, click the microphone PTT once (the radio
will not transmit during this click). This will cause the transceiver to revert back to the normal
operating mode and communications with the caller can proceed in the usual fashion.
PROGRAMMING INSTRUCTIONS
To program one of the 200 memory channels in one of the bands:
1. Select the desired band on the band select (VHF/UHF/GD) switch. This is required
before any of the programming modes or functions.
2-3
2.4
10.
11.
11.
12.
Press the FUNC key. The display will show the function prompt.
Press the FROG key. The display will show the current receive frequency with a
flashing curser on the first or second digit (The first digit is always a one <1 > on the
VHF band).
Type in the desired receive frequency. If you type in a frequency which is not a 2.5 kHz
step, the nearest valid frequency will be automatically selected
The curser will return to the second digit. You can retype the frequency if you
made an error or press ENTER to continue.
The transmit frequency will be displayed with the curser on the second
digit. Follow the same method as in step 3 and 4.
The channel spacing increment of either 25.0 or 12.5 kHz is now displayed. Use the
M.UP and M.DN keys to select the desired channel spacing for the memory position,
then press ENTER.
The alpha-numeric title is now displayed. Use the M.UP and M.DN keys to scroll
through the alphabet, numbers and symbols. When the desired character is displayed,
press ENTER to advance to the next character. Press ‘1 " to backspace.
Keep repeating step six until the last space is set. The display will show SCAN or
LOCKOUT to enable this memory position as part of a scan list or lock it out of the
scan list. Use the 1,2,3,4,5 and M.DN keys to toggle between these functions (for
details see paragraph 2.5). Once the desired condition has been selected, press ENTER.
The TFM-500’s display will show a " +" beside the memory channel number if scan
is enabled.
The display will now show the current memory number. Type in the 37digit number of
the memory you want to save to (if different from displayed one] and press ENTER.
You now have the option to program the guard frequencies by pressing FUNC or press
ENTER to return to normal operating mode.
If you pressed FUNC to program the guards, guerd"1" transmit frequency will be
displayed with the flashing cursor on the second digit. Enter the frequencies for
guard'l' receive/transmit and guard"2" receive/transmit as in step 3 and 4.
The alphanumeric labels for guard"1" and guard"2" are entered the same as in step 7
and 8. When the last character is entered, the radio returns to normal operating mode.
PRIORITY SCANNING. SELECTIVE MEMORY CHANNEL SCANNING AND SCAN LISTS
Instead of breaking up the 200 channels into blocks for scanning, the TFM-SOO has 5 scan lists
per band. Any of the 200 channels can be assigned to any one or more of these 5 scan lists.
This means the channels do not have to be repeated for them to be in more than one block and
that you are not limited to the number of channels that you can scan at once, since all 200
channels can be put into any scan list.
The priority memory channel is always memory position number 1. The priority memory
channel is scanned every other step lie. 121314151...) to ensure that no incoming messages
are missed. The priority channel can be locked out, which will result in the normal scanning
of the other memory positions.
2-4
2.5
2.6
2.7
Selective memory scanning allows the user to select which of the 200 memory channels are
to be scanned or locked out when the scan function is invoked. To use this feature, follow the
PROGRAMMING INSTRUCTIONS found in paragraph 2.3. Once the screen displays SCAN or
LOCKOUT, use the 1,2,3,4,5 or M.DN keys to toggle to the desired condition and press ENTER.
Entering the any or all of the numbers 1,2,3,4 or 5 will include that memory channel in any of
the five scan lists. In normal operating mode the display will later show a "+" beside the
memory channel number if it has been included in any of the 5 scan lists.
SCANNING FUNCTION (5 second talkback delay)
Select the hand you wish to scan with the band switch. (you can not scan the guard)
To stan scanning of the memory channels, press FUNC then SCAN and then the number
(1,2,3,4,5l of the desired scan list.
The radio will scan through all the preset memory positions in the selected scan list lsee above
paragraph for priority and selective scan features) and will lock on to the first active channel
in the scan sequence. It Will remain on the channel until it becomes inactive. Scanning will
resume again after five seconds of inactivity. To exit the scan mode, press the SCAN key. This
will cause the radio to revert back to the normal operating mode.
If while scanning, you hear a call for you:
1. Respond to the call within 5 seconds. When scanning is interrupted by an
incoming signal, the channel will remain open for five seconds before resuming
scanning.
2. During communications the five second timer is reset from the last Rx or Tx
signal encountered.
The radio resumes scanning once the Rx or Tx activity has ceased for more than five seconds.
The SCAN key must be pressed to exit the scan mode.
DIRECT FREQUENCY ENTRY MODE
This mode is designed to facilitate quick frequency selection during emergency and other
operational conditions requiring direct operating frequency selection. This operating mode is
disabled along with the programming mode when the internal disable jumper is set.
1. When the transceiver is in the normal operating mode, press FUNC and the desired
operating frequency is! 153.2750.
2. On the UHF band press FUNC and then 1 and the desired frequency is! 443.5500.
3. You will then he asked for 12.5 or 25.0 kHz channel spacing. Select with MUP or MDN
and press ENTER.
Please note in the above operation, alter FUNC and "1" are entered, the LED display will
show memory channel "000" and then the remaining digits in the desired frequency are shown
as they are entered. No alphanumeric message can be entered in this mode. Operation on the
new frequency occurs in both transmit and receive (simplex only) modes. If RX or TX CTCSS
tones/DPL codes are required they must be programmed in afterwards.
RECEIVE FREQUENCY SIMPLEX FUNCTION
The receive frequency simplex function allows you to quickly change the transmit frequency.
when operating on a split pair lrepeater/semi-duplex mode), to the receive frequency to allow
direct communications. is! If you are transmitting on 152.000 MHz and receiving 152.555
MHz, select VHF on the band select switch and press FUNC then UP to transmit on 152.555
MHz. To return to the split pair condition, you must recall the memory channel again. This is
quickly done by pressing M.UP for one step up, then back down one step with the M.DN key.
2-5
2.8
2.9
2.10
2.11
2.12
2.13
KEYBOARD LOCKOUT FUNCTION
The keyboard can be locked out so that accidental pressing of keys does not change frequency,
etc., unknowingly to the operator. To look the keyboard, press FUNC than LOCK. This will
disable all keyboard functions (except keyboard unlock) in the receive mode. The DTMF
function during transmit will not be eflected. To unlock the keyboard, press and hold the LOCK
key for two seconds until the display indicates "UNLOCK".
VARIABLE FREQUENCY MODE FUNCTION
To enter variable frequency mode, press RCL, 0.0,0, then ENTER or enter a frequency in the
direct entry mode described above. The memory channel that you were just in will still be valid
but now you can manually adjust the frequency with the M.UP, M.DN, UP and DN keys. The
UP and DN keys will make the frequency count up or down in steps of 2.5 kHz. The M.UP and
M.DN keys will make the frequency count up or down in steps of 1 MHz. You can not change
the label. The frequency in this mode can not be stored in memory. To exit this mode, recall
one of the 200 memory channels (ie. RCL, 0,0,1). Variable frequency mode is disabled when
the internal entry disable jumper is set.
LED DISPLAY VARIABLE DIMMING MODE
1. With the transceiver in normal operating mode press the UP or DN keys to increase or
decrease the intensity of the LED display‘
2. Once maximum intensity of the display is acheived, the UP key no longer functions.
Conversely once minimum intensity is reached, the DN key ceases to function.
80 SECOND TRANSMITTER TIME OUT FEATURE
A selectable 90 second transmitter time out feature is provided to prevent accidental
continuous transmission in the event of a faulty PTT switch. With this feature enabled the
transceiver will stop transmitting after the PTT is engaged continuously for 90 seconds. The
timer is reset by releasing then re-engaging the PTT switch.
Press the FUNC then the M.UP key. Use the M.UP and M.DN keys to select 90 SEC, which
enables the feature, or NONE which disables it.
QUICK GUARD PROGRAMMING FEATURE
A quick download of any of the 200 VHF memory positions into either of the guard memory
positions can be accomplished. Select the memory position whose contents you desire to
download to a guard memory. Select either GD'I or (502 memory channel as desired. Press
FUNC than 7. The guard memory channel will now contain all the same information as the
selected memory position. This feature is disabled when the FUNC 7 mode is turned off in the
configuration menu.
PROGRAMMING CTCSS TONESIDPL CODES
CTCSS tones (PL tones) or Digital DPL codes can be assigned to each memory channel. The
guard receiver squelch will operate on noise squelch only, but guard 1 and 2 transmit tones
or codes can be programmed. To program a tone/code to a memory channel:
1. Select the desired band on the band select switch.
2. Use the M.UP and M.DN keys to select the memory channel that you want to assign
a CTCSS tone or DPL code.
2-6
3. Press the FUNC key then the TONE key. The display will show "RX TONE:" and the
current (one number, as wel as the tang frequency ‘n Hz.
4. Use the M.UP and M.DN keys to select the tone number you require. The following
is a list of the available CTCSS tones:
Numhex Me Number Em Number Due
01 67.0 26 162.2 51 177.3”
02 71.9 27 167.9 52 18.3.5”
03 74.4 28 173.8 53 189.9‘
04 77.0 29 179.9 54 196.6“
05 79.7 30 186.2 55 199.5‘
05 82.5 31 192.8 56 206.5’
07 85.4 32 203.5 57 210.7"
08 88.5 33 33.0“ 58 218.1 “
09 91.5 34 35.4‘ 59 225.7“
10 94.8 35 36.6' 80 229.1 *
11 97.4 36 37.9’ 61 233.6’
12 100.0 37 39.6" 62 241.8*
13 103.5 38 44.4“ 63 250.3”
14 107.2 39 47.5“ 64 N0 Tone
15 110.9 40 49.2“ [carrier squelch only)
16 114.8 41 51 .2* (The tunes marked with " are
17 118.8 42 53.0’ nonstandard tones).
18 123.0 43 54.9“
19 127.3 44 56.8‘
20 131 .8 45 58.8‘l
21 136.5 46 63.0"
22 141.3 47 69.4“
23 146.2 48 159.8“
24 151.4 49 165.5”
25 156.7 50 171 .3“'
4. Press ENTER. "TX TONE" appears on the display. Repeat step 3.
5. Press ENTER. "G1 TONE" appears on the display. Repeat step 3.
6. Press ENTER. "62 TONE" appears on the display. Repeat step 3 and press ENTER.
7. The display will now show "RX DPL:" and the current 3-digit DPL code. If no DPL
code is required “000" should be entered. Please note that if e DPL code is to be
programmed e CTCSS tone should not be enabled.
8. Use the keypad to enter the required cctal 3-digit DPL (Digital Coded Squeleh or DCS)
code. A list of all usable and unique octal 3—digit DPL/DCS codes follows:
2-7
2.14
017" 051 116 156 243 266* 346 431 466 612 721
023 053‘ 122“I 162 244 271 351 432 503 624 731
025 054 125 165 245 274“ 356“ 445 506 627 732
026 065 131 172 246‘ 306 364 446“ 516 631 734
031 071 132 174 251 311 365 452“ 523* 632 743
032 072 134 205 252’ 315 371 454" 526‘ 654 754
036‘ 073 143 212“ 255“ 325’ 411 455’ 532 662
043 074 145 * 223 261 331 41 2 462' 546 664
047 114 152 225“ 263 332‘ 413 464 565 703
050“ 115 155 226 265 343 423 465 606 712
" indicates GE Digital Coded Squelch (DCS) Code
9. Press ENTER. "TX DPL“ appears on the display. Repeat step 8.
10. Press ENTER. ‘G1 DPL" appears on the display. Repeat step 8.
11. Press ENTER. “GZ DPL" appears on the display. Repeat step 8 and press ENTER.
PC MEMORY PROGRAMMING UP/DOWNLDAD CAPABILITY
The TFM»500 transceiver can be programmed by a MS-DOS based personal computer. This is
an alternative to programming date manually by the keypad. The programmed information can
also be removed from the TFM—500 and stored in a PC. There are two ways to download or
upload from the TFM-SOO. One method is to use a terminal program such as is supplied with
MS Windows 3.1, 95, 98, and NT. The other method is to use Technisonic software. A 3.5"
disk containing the required PC upldownload software is provided with each TFM-500
transceiver. To use the supplied software follow the instructions below:
Requirements:
1. PC compatible computer with any monitor, 3.5" floppy drive and a serial port.
2. Bench power supply of 28 volts DC.
3. PC download cable, PIN QExxxx-x which can be supplied or made from the wiring
diagram at the back of this section.
Installation:
1. Insert the floppy disk into drive A and type: A:INSTALL 
2. All the files will be copied to your hard drive into a directory called \T|L.
Connections:
1. With the PC turned off, plug the 25 pin male ‘D' connector into its serial port.
2. Plug the 9 pin ‘D' connector into the back of the TFM-500 transceiver.
3. Plug the 25 pin ’D’ connector into the back of the radio and connect the power wires
to the power supply.
Running the program:
1. Turn on the power supply and the TFM-BOO unit first and then turn on the PC.
2-8
2. Change to the \TIL directory and type: PCDLxxx and . The main menu will
be displayed.
Listing memory channels:
The first channel listed lin blue on colour monitors) is the memory channel that will appear on
the display of the TFM-500 unit when it is turned on. The next two channels listed are
guard 1 and guard 2. (in red on colour monitors) Only TX CTCSS tones or TX DPL codes are
listed for the guards since the TFM-SOO unit has a CTCSS tone/DPL code decoder for the main
receiver only. The rest of the memory channels displayed (in yellow) are the 200 memories in
each band listed in sequence. Either LOCK or SCAN LIST numbers “1,2,3,4,5" are displayed
for each memory channel which indicates whether that memory channel will be included in any
of the 5 scan lists or locked out. After the scan information, an "N" or blank space will follow
to indicate narrowband or wideband mode respectively. After reviewing the multifpage list, you
have the option to return to the first page, for further review or to return to the main menu.
Printing Memory Channels:
To print out a listing of the memory channel database, select ‘P‘ from the main menu. You will
be prompted for a title that will appear on the listing. This could be for example the serial
number of the radio. Press  and the printing will start. The main menu wrll appear
when printing is complete.
Edit menu:
You can select which memory channel to program, main or guard. When entering memory
channel information, if you just press return, the previous information will be retained. For
example, you only want to change the receive frequency. Type in the new receive frequency
and press return for all of the other prompts. You also will not be able to type in frequencies
or information that does not make sense. If the information entered is not what was prompted
for, you will be re-prompted for the correct information. For example, if you type in 999.9999
for the transmit frequency you will be prompted again because the frequency range of the TFM-
500 product is 138 to 174 MHz and 403 to 512 MHz. Keep in mind that the label for the
memory channel can only have characters that exist on the TFM-500 unit. These include only
capital letters, numbers 0 to 9 and a few other characters. Any other character will show up
as a blank on the unit’s display. If you type in lowercase letters they will automaticaly be
converted into capital letters when you download to the radio.
You will then be prompted to enter a receive CTCSS tune, a transmit CTCSS tone, a receive
DPL code and a transmit DPL code. Although both CTCSS tones and DPL codes can be
programmed simultaneously, this should not be done. Care should also be taken to program
the correct DPL code since non-unique (inverted) code numbers will be accepted.
Downloadlng to the Transceiver:
Select ‘D‘ from the main menu. Follow on screen instructions. The memory channels will be
downloaded sequentially to the TFM-5OO unit. You will be able to see them on the radio's
display as they go by. The download process will take less than one minute. (The data transfer
is fast but the nonvolatile memory in the radio needs time to program.) The PC will return to
the main menu when the process is complete. The radio will also return to the normal operating
mode when done.
Selecting '0’ from the main menu will enable you to download a single memory to the radio.
You will be prompted for the originating memory number (in the database), then the destination
memory number (in the radio). This makes it possible to place data into radios that have
different channel listings and not load a memory on top of one that was still desired. Follow
on screen instructions to complete download.
2-9
Uploading From the TFM-SOO:
Uploading from the radio is started by selecting 'U’ in the main menu. Follow on screen
instructions. The upload should take about 10 seconds depending on the speed of the PC.
The previous data base will be replaced by the contents of the radio. If the previous database
is still needed, the file ’DATA500' should be copied to another file name in DOS before the
upload is attempted.
Files:
The file containing the memory channel list is named 'DATA500' in the \TIL directory. The
program will not run if it can not find the 'DATA500‘ file. To have multiple databases, you can
copy the data file to a new name and edit the 'DATA500' file again. To retrieve a database,
copy it back to 'DATA500'.
2410
— I Downl Pr ram
BAN Qflxxgx-x - Wiring giggrgm
l5 PIN 'D‘ FEMALE 25 PIN 'D‘ IMLE
T0
FDA—1358
T0 PR1NTER
POM OF
PERSONAL
COMPUTER
IN4w4
TO POWER SUPPLY
|2 IO JUVDC
9440323
FIGURE 2-2 TFM-500 Transcelver PC Up/Download Cable - wiring diagram
241
3.1
3.2
3.3
3.4
3.5
3.6
SECTION 3
INSTALLATION INSTRUCTIONS
GENERAL
This section contains information and instructions for the correct installation of the TFM-
500, VHF/FM Transceiver.
Make certain that the correct frequencies are preprogrammed in accordance with the
equipment user’s valid FCC operator's license, prior to installation.
EQUIPMENT PACKING LOG
Unpack the equipment and check tar any damage that may have occured during transit. Save
the original shipping container for returns due to damage or warranty claims. Check that each
item on the packing slip has been shipped in the container. Verify that the equipment display
and backlighting configuration are the same as those ordered.
TRANSCEIVER INSTALLATION
The TFM-500 transceiver is designed to be Dzus mounted and should be installed in
conjunction with a lNaxxx installation kit. See Figure 3-1 for an outline drawing of the unit
with dimensions to facilitate the installation.
INSTALLATION KIT - CONTENTS
The IN-xxx installation kit consists of:
1. One 15 pin Cannon D mating connector (iemalel complete with crimp pins and hood.
2. One 9 pin Cannon D mating connector (male) complete with crimp pins and hood.
2. Two ENC antenna mating RF connectors (male).
ANTENNA INSTALLATION
Antenna, P/N's ATM-150 and ATM—403 may be obtained from Technisonic Industries Limited
or a suitable equilvalent may be utilized with the TFM—SOO transceiver. The antenna should be
mounted on the bottom of the aircraft whenever possible. Consult with instructions provided
with the antennas. Connect RF cables irom antennas to the back of the TFM-SOO unit by
utilizing the BNC mating connector provided in the installation kit. The UHF connector is located
on the rear, above the 15-pin D connector and the VHF connector is below the 9—pin D.
INSTALLATION - PIN LOCATIONS AND CONNECTIONS
The pin numbers and locations for the 15 pin and 9 pin Cannon D located on the rear of the
TFM—SOO transceiver are shown below. Pin connections are in provided in TABLE 31.
Transceiver mounted view of 15 pin and 9 pin connector
3-1
4950
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7477
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FIGURE 3-1 Outline Drawing for Model TFM-500 Transcelver
3-2
3.6
INSTALLATION - PIN LOCATIONS AND CONNECTIONS (continued)
15 Pin D Connections
Memory Down/PC Download In-ut
Mic Sinal In-ut1
a“
“w
- 9 Pm D Connections
-_
Background Debug Signal
PTT 2 (Ground Kevmg)
u 600 ohm Ouput 2
n Mic Signal |nput 2
Senal Data In
Serial Data Out
Pro-rammi , Voltage In
TABLE 3-1
3-3
3.7 WIRING INSTRUCTIONS
Figure 3-2 shows all required connections and recommended wire sizes for the TFM-500
Transceiver.
3.7.1 Main Power +28VDC
The main power +28VDC (11596) is connected to pins 7 and 14 of the transceiver. Both
pins should be connected.
3.7.2 Maln Ground
Ground connections Ior the transceiver are made on pins 8 and 15. Both pins should be
connected.
3.7.3 P1'T1 [Ground Keying)
The PTT line is connected to pin 13 and should be floating when the transceiver is in
receive mode, and grounded during transmit mode.
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15)“ use (Y m7 usvunrs sumo 1 mm m Amnm so As nor 10 05mm mm M mama mime DAAAACIERISMS mm: M Wm
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FIGURE 3-2 Wiring connections for the TFM-SOO Transceiver
3-5
3.7.4
3.7.5
3.7.6
3.7.7
3.7.8
3.7.9
3.8
From Panel Back Lighting
Front panel back lighting connection should be made on pin 3 of the transceiver. The
opposite end of this lead should be connected to the panel lighting system of the aircraft.
Before connecting, verify the required panel lighting voltage (28 VDC or 5VAC) on the
transceiver configuration control label.
Audio Outputs (600 ohms and 4 Ohms)
There are two audio outputs available (1 81 2). 600 ohm audio output ‘I has audio from
both bands and the guard in single operator mode. When in dual operator mode, 600 ohm
output 1 has audio from the VHF band and guard only while the UHF audio will be on the
600 ohm output 2.
Audio Output Ground
Pin 10 is the ground for both the 4 ohm and 600 ohm audio output signals.
Mic Signal Input
The microphone input signal is to be provided on pin 8, utilizing shielded wire with the
shield grounded to pin 10. Microphone signal 2 is on pin 6 of the Spin D connector.
Memory Up/Mamory Down
Remote scrolling through the 200 memory positions can be achieved by providing a ground
to pins 4 (up) and 5 (down) through a momentary contact cyclic switch. The memories will
scroll only on the band selected.
Data Input
Data communications equipment requiring direct access to the modulator and discriminator
an be connected via pins 2 and 11. Data cannot be transmitted in CANADA unless
equipment is approved for use with the TFM»500 by the communications regulatory
authority.
lNTERNAL PROGRAMMING AND GUARD ENABLE/DISABLE JUMPER
The programming and direct frequency entrv modes can be disabled by removing the
internal enable/disable jumper strap from pins 1 and Z of JIO. Removal of this jumper will
prevent operation on any frequencies other than those programmed in the 400 memory
positions and two guard receiver memory positions. Removal of the guard receiver
programming enable (disable jumper strap from pins 1 and 2 of J11 will totally disable the
operator's ability to reprogram the 2 guard receiver channels.
The transceiver is always shipped with the two jumpers m the entry enable positions. To
place either of the jumpers in the disable position:
Remove the top cover of the radio.
Remove both the left and the right sides.
Unplug the white coax from the guard receiver board.
Remove front panel.
Remove the guard tray.
Remove the antenna filter cover and desolder the antenna connector wire.
Remove the UHF module.
Set or remove jumpers as necessary.
Re—assemble the radio in reverse order.
S‘!‘>‘S”.°‘.“.“.N."
Microprocessor Control Unit (MCU) PCB Module
Notes: R23 is High Power Adjustment
R24 is Low Power Adjustment
J15 Jumper between pins 3 and 4 for Entry Enable
Remove for Entry Disable
IS ,
“ H4?
69 V
Jazg
”fl
/—ENTRY DiSAELE JUMPER
fiGUARD ENTRY DiSAELE
JUMPER
mm a
1 mm ‘
FIGURE 3-3 Internal Enable/Discus Jumper Locations
3.9
3.10
3.11
TRANSMITTER POWER ADJUSTMENTS
The transmitter power is adjusted to a maximum of 10 watts in high power mode and 1
watt in low power mode over the transceiver operating bandwith at the factory. If
transmitter RF power re-adiustment is required, perform as follows:
1.
2.
Select the band that you wish to adjust on the band select switch.
Connect an RF through-line wattmeter to the appropriate antenna connector. Set
the operating frequency to 156.000 MHz for VHF or 457.000 MHz for UHF and key
the transmitter.
In low power mode, set the low power adjustment potentiometer on the left side of
the chassis to produce 1.0 wett of RF output power (See Figure 33).
ln high power mode, set high power adjustment potentiometer on the left side of
the chassis to produce 9.5 watts of RF output power.
Verify that the RF output power is between 9 and 10 watts on 138.000 MHz and
174.000 MHz for VHF or 403.000 MHZ and 512.000 MHz for UHFt
TRANSMITTER MICROPHONE LEVEL ADJUSTMENT
1.
Set the transceiver operating frequency to 156.000 MHz and connect an
appropriate test receiver to the RF output connector. Ensure that the output of the
transceiver is terminated into a proper dummy load.
Key the transmitter and input a -10 dBm (0.25 VRMS), 1 kHz audio signal into the
microphone input.
Adjust the microphone level potentiometer (Mic Level 1) through the access
hole located on the right side of the chassis (see Figure 3—4) to produce a 3.5 kHz
deviation.
Verify that the deviation is at least 3 kHz on the following frequencies: 138.000
MHz, 162.000 MHz and 174.000 Mhz.
TRANSMITTER SIDETONE LEVEL ADJUSTMENT
1 .
Set the transceiver operating frequency to 156.000 MHz and connect an
appropriate test receiver to the RF output connector. Ensure that the output of the
transceiver is terminated into a proper dummy load.
Key the transmitter and input a -10 dBm (0.25 VRMSI, 1 kHz audio signal into the
microphone input.
Adjust the sidetone level potentiometer (R37 on MCU module) through the access
hole located on the left side of the chassis (see Figure 3-4) to produce a +3.0 dBm
(1 .0 VRMSl 600 ohm audio output.
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FIGURE 3-4 Extomal Adjustment Access Hoies
3-8
3.12
3.13
SOUELCH ADJUSTMENT
The squelch on both the main and guard receivers is factory set to open at approximately
1.0 microvolt. This adjustment can be made or altered to suit local conditions as follows:
1.
Set the receiver to 157.000 MHz for VHF or 457.000 MHz for UHF. Connect a
signal generator to the the antenna input of the desired bend.
Set the signal generator to produce a 13 kHz deviation with a 1 kHz tone on
157.000 MHz or 457.000 MHz. Increase the signal generator RF level from 01 UV
until the squelch indicator LED is on. Verify the squelch opens at the desired level,
If not, reaadjust receiver squelch potentiometer through the access hole located on
the bottom or side of the transceiver chassis (see Figure 374).
TRANSMITTER DEVIATION ADJUSTMENT
VHF:
UHF:
Remove the bottom cover of the transceiver.
Set the VHF operating frequency to 157.000 MHz and connect an appropriate test
receiver to the RF output connector. Ensure that the output of the transceiver is
terminated into a proper dummy load.
Kev the transmitter and input e +10 dBm l2.5 VRMS), 1 kHz audio signal into
microphone input 1.
Adjust the wideband deviation limit potentimeter, R30 on the VHF Rx/Tx module
(see Figure 3-5) to produce a 14.25 kHz deviation. Select narrow band mode on
the VHF band and adjust the narrowband deviation limit potentimeter, R76 on the
VHF Rx/Tx module to produce a 12.15 kHz deviation.
Verify that the deviation does not exceed 1-5 kHz for wideband and :t-. 2.5 kHz for
narrowband on 138.000 MHz, and 174.000 MHz Re-adjust R30 or R76 as
required, if the deviation exceeds 15 kHz or 12.5 kHz, respectively.
Replace the bottom cover.
Remove the top cover of the transceiver.
Unplug the white coax from the guard receiver and remove the front panel.
Remove the guard receiver trey.
Replace the front panel and select the UHF band.
Set the UHF operating frequency to 457.000 MHz and connect an appropriate test
receiver to the RF output connector. Ensure that the output of the transceiver is
terminated into a proper dummy load.
Key the transmitter and input a +10 dBm (2.5 VRMS), 1 kHz audio signal into
microphone input 1 it in single mode or microphone input 2 if in dual mode.
3—9
7. Adjust the wideband deviation limit potentimeter, H30 on the UHF Fix/TX module
(see Figure 3~6) to produce a 14.25 kHz deviation. Select narrow band mode on
the UHF band and adjust the narrowband deviation limit potentimeter, R76 on the
UHF Rx/Tx moduie to produce a 12.15 kHz deviation.
8. Verify that the deviation does not exceed i 5 kHz for wideband and $2.5 kHz for
narrowband an 403.000 MHz, and 512.000 MHz. Re-adiust R30 or R76 as
required, if the deviation exceeds 15 kHz or $2.5 kHz, respectively.
9. Replace the bottom cover.
DEVIATION
ADJUSTMENT
NARROW BAND
DEVIATION
ADJUSTMENT
VHF Receiver/Transmitter PCB Module
Notes: R30 is for 5.0 kHz (wideband) Deviation Adjustment
R76 is for 2.5 kHz (narrowhand) Deviaton Adiustment
FIGURE 3-5 Deviation Adjustment Potentiometer Location
3—10
¢
3 W“
1);ng g
595
W‘DE BAND
DEVIATION
ADJUSTMENT
n f:
m D! mmsomc
mm
m unlzn
ml mm. ]
REV.
l WE
NARROW BAND ”SEQ, -" Du!
DEVIATION ~= m , ,
ADJUSTMENT jé - a z T
UHF Receiver/Transmitter PCB Module
Notes: R11 is for 5.0 kHz (wideband) Dewation Adjustment
R102 is for 2.5 kHz (narrnwband) Deviaton Adjustment
FIGURE 3-5 Deviatlon Adjustment Pntentiometer Location
3-11

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