Midland Radio ALHP425 Handheld UHF Transceiver User Manual Revised User Instructrions

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Date Submitted	2001-09-19 00:00:00
Date Available	2001-09-25 00:00:00
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Document Lastmod	2001-09-19 12:29:36
Document Title	Revised User Instructrions

HP125 User manual
HP125 VHF /HP425 UHF
Handheld PMR Transceiver
User’s Manual
Copyright  1998 by CTE International Italy; all rights reserved.
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HP125 User manual
In this book…
INTRODUCTION ...................................................................................................................................................... 4
MANUAL ACCURACY NOTES ................................................................................................................................... 4
CONVENTIONS AND SYMBOLS IN THIS BOOK ......................................................................................................... 4
SAFETY TRAINING INFORMATION................................................................................................................. 4
ADDITIONAL SAFETY INFORMATION ....................................................................................................................... 5
NOTE TO USERS OF HP425 TRANSCEIVER:................................................................................................6
WARNING ......................................................................................................................................................6
PART NAMES AND THEIR FUNCTIONS.......................................................................................................... 7
TOP........................................................................................................................................................................ 7
FRONT ................................................................................................................................................................... 7
SIDE (LEFT AND RIGHT)........................................................................................................................................... 8
DISPLAY................................................................................................................................................................. 8
SETUP.................................................................................................................................................................... 10
UNPACKING ......................................................................................................................................................... 10
FITTING/REMOVING THE ANTENNA ....................................................................................................................... 11
INSTALLING/REMOVING THE BATTERY PACK ......................................................................................................... 11
INSTALLING/REMOVING THE BELT CLIP ................................................................................................................. 11
CHARGING THE BATTERY...................................................................................................................................... 12
BASIC OPERATIONS ......................................................................................................................................... 13
SWITCHING THE RADIO ON/OFF .......................................................................................................................... 13
RECEPTION .......................................................................................................................................................... 13
ADJUSTING VOLUME............................................................................................................................................. 14
CHANNEL SELECTION ........................................................................................................................................... 14
ADJUSTING SQUELCH ........................................................................................................................................... 14
TRANSMISSION .................................................................................................................................................... 15
ADJUSTING TRANSMIT POWER ............................................................................................................................. 16
SCANNING CHANNELS.......................................................................................................................................... 16
RADIO LOCK ........................................................................................................................................................ 17
SELCALL AND CTCSS/DCS OPERATION ..................................................................................................... 18
RECEPTION .......................................................................................................................................................... 18
TRANSMISSION .................................................................................................................................................... 18
Sending a Selcall ............................................................................................................................................ 18
Stored call (Address book)...............................................................................................................................18
Who-has-called (Call Queue) ...........................................................................................................................19
MANUAL CALL ..................................................................................................................................................... 20
One touch call ................................................................................................................................................20
ADVANCED OPERATIONS............................................................................................................................... 21
SENDING STATUS MESSAGES................................................................................................................................. 21
SENDING FFSK FREE MESSAGES (SDM) .............................................................................................................. 21
CHECKING FFSK FREE MESSAGES (SDM)............................................................................................................ 22
SENDING DTMF PATTERNS .................................................................................................................................. 22
HANDSFREE TRANSMISSION (VOX) ..................................................................................................................... 22
CARE AND MAINTENANCE ............................................................................................................................. 24
BATTERY PACKS .................................................................................................................................................. 24
Information on rechargeable batteries.......................................................................................................... 24
Proper charging of battery packs .................................................................................................................. 24
Memory effect................................................................................................................................................. 24
Erasing memory effect.................................................................................................................................... 25
Warnings for battery and charger use ........................................................................................................... 25
RADIO MAINTENANCE .......................................................................................................................................... 26
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HP125 User manual
Cleaning battery packs................................................................................................................................... 26
Cleaning the radio.......................................................................................................................................... 26
Connectors...................................................................................................................................................... 26
OPTIONAL ACCESSORIES............................................................................................................................... 27
Microphone connector ................................................................................................................................... 27
WARNING to HP425 users ............................................................................................................................ 27
QUICK REFERENCE .......................................................................................................................................... 28
OPERATION SUMMARY ......................................................................................................................................... 28
LCD MEMO REFERENCE GUIDE............................................................................................................................. 28
MAIN SPECIFICATIONS.................................................................................................................................... 30
GENERAL ............................................................................................................................................................. 30
TRANSMITTER ...................................................................................................................................................... 30
RECEIVER............................................................................................................................................................. 30
AF & SIGNALING ................................................................................................................................................. 31
MECHANICAL SPECS ............................................................................................................................................ 31
INDEX.................................................................................................................................................................... 32
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HP125 User manual
Introduction
Congratulations. HP125/HP425 is an advanced PMR (Professional Mobile Radio). Its rugged design allows
it to be your reliable partner even during hard working days. Its large LCD as well as user friendly controls
make the HP125/HP425 easy to use.
HP125/HP425 is a real system radio, supporting CTCSS/DCS, 5 tone signaling systems (encoder/decoder
up to 28 + 28 tones), FFSK, DTMF and trunking system property. Selcall mode supports also many
facilities, such as an alphanumeric address book, a call queue function as well as a status message table.
You can also use FFSK to send/receive short text messages that you can enter via the alphanumeric
keypad. The way your radio operates may be upgraded and may differ from what is described here.
To extend the flexibility, the radio is provided with VOX function, which allows you to switch on the
transmitter just by talking using an optional headset for full hands free operation.
Since programming can change standard operation, the functions of the radio and the buttons used to
activate them can be modified to meet your needs. Please contact your radio network administrator or
dealer for further details.
Transceiver’s specifications provided in HP125/HP425 are compliant with ETS 300 086 and ETS 300 113,
moreover its top level design and resistance are compliant with IEC529 level IP54 and MIL STD 810 C, D,
E.
CTE International is committed to continuous quality, for this reason specifications may vary without prior
notice.
Manual accuracy notes
Every effort has been made to ensure that the information in this document is complete, accurate, and upto-date. CTE International assumes no responsibility for the results of errors beyond its control. The
manufacturer of this equipment also cannot guarantee that changes in the equipment made by non
authorized people will not affect the applicability of the information in it.
This user’s guide is subject to change without notification. This booklet is referred to equipment software
version 1.0. If you own a later one please contact CTE International for the most recent updates.
Conventions and Symbols in this Book
! This symbol marks a ‘note’. Notes are hints or tips which offer additional information to help you.
" This symbol marks a ‘caution’. Cautions are special notices, which you should read and
follow carefully to avoid possible damage to your equipment and to avoid potential danger
to yourself or other people.
Key names will be highlighted in bold.
Important sentences and words are highlighted in Italic.
LCD messages that may appear on the transceiver’s display are highlighted in Courier New
SAFETY TRAINING INFORMATION
Your Alan radio generates RF electromagnetic energy during transmit mode. This radio is
designed for and classified as “Occupational Use Only”, meaning it must be used only during the
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HP125 User manual
course of employment by individuals aware of the hazards, and the ways to minimize such
hazards. This radio is NOT intended for use by the “General Population” in an uncontrolled
environment.
This radio has been tested and complies with the FCC RF exposure limits for “Occupation Use Only.” In
addition, your radio complies with the following Standards and Guidelines with regard to RF energy and
electromagnetic energy levels and evaluation of such levels for exposure to humans:
•
FCC OET Bulletin 65 Edition 97-01 Supplement C, Evaluating Compliance with FCC Guidelines for
Human Exposure to Radio Frequency Electromagnetic Fields.
•
American National Standards Institute (C95.1-1992), IEEE Standard for Safety Levels with Respect to
Human Exposure to Radio Frequency electromagnetic Fields, 3kHz to 300GHz.
•
American National Standards Institute (C95.3-1992), IEEE Recommended Practice for the
Measurement of Potentially Hazardous Electromagnetic Fields- RF and Microwave.
To ensure that your exposure to RF electromagnetic energy is within the FCC allowable
limits for occupational use, always adhere to the following guidelines:
•
DO NOT operate the radio without a proper antenna attached, as this may damage the radio and may
also cause you to exceed FCC exposure limits. A proper antenna is the antenna supplied with this
radio by the manufacturer for use with this radio.
•
DO NOT transmit for more than 50% of total radio use time (50% duty cycle). Transmitting more than
50% of the time can cause FCC RF exposure compliance requirements to be exceeded.
•
ALWAYS use authorized accessories (antennas, batteries, belt clips, speaker/mics, etc).
unauthorized accessories can cause the RCC RF exposure requirements to be exceeded.
•
ALWAYS keep the antenna at least 2.5 cm (1 inch) away from the body when transmitting and only
use the belt clip when attaching the radio to your belt, etc, to ensure FCC RF exposure requirements
are not exceeded. To provide the recipients of your transmission the best sound quality, hold the radio
5-10cm (2-4 inches) away from your mouth and slightly off to one side.
Use of
The information listed above provides the user with the information needed to make him or her
aware of RF exposure, and what to do to assure that this radio operates within the FCC RF
exposure limits of this radio.
Additional safety information
Your HP125/HP425 handheld transceiver has been carefully designed to give you years of safe, reliable
performance. As with all electrical equipment, however, there are a few basic precautions you should take
to avoid hurting yourself or damaging the radio:
•
Read the instructions in this handbook carefully. Be sure to save it for future reference.
•
Read and follow all warning and instruction labels on the radio itself.
•
Do not carry the transceiver by the antenna. This may damage the antenna or antenna terminal.
Grasp it by its base (not the tip!) when you need to replace or remove the antenna.
•
Do not transmit the radio with the antenna very close to or touching exposed parts of the body. The
radio will perform best if the microphone is 5-10 cm away from the mouth and the radio is vertical.
•
Be sure the PTT key is not pressed when you don’t need to transmit.
•
Do not operate the radio near unshielded electrical blasting caps or in an explosive atmosphere.
•
Do not transmit without the antenna fitted on the radio. Although the HP125/HP425 is provided
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HP125 User manual
with a protection circuit, damage to the TX final stage could result.
•
Respect the environment conditions. The radio is designed to be used in heavy environments,
however avoid exposure to extremely hot or cold temperatures (out of the range between –30 to
+60°C). Don’t expose the transceiver to excessive vibrations as well as dusty or rainy places.
•
Never try to disassemble or service the radio yourself (aside from the routine maintenance
described in this handbook). It will immediately void the warranty and you may cause damage requiring
extensive repair work. Always contact your local dealer for assistance.
•
Use only authorized accessories. Non original accessories could seriously damage your handheld
transceiver.
•
Do not spill liquid of any kind on this radio. If your transceiver gets wet immediately dry it with a
soft cloth.
•
Switch the radio off before you clean it. Strictly follow the directions in the paragraph “Care and
maintenance”.
•
Handle the battery properly. Strictly follow the directions in “Care and maintenance”.
•
Be certain that your power source matches the rating listed for the supplied battery charger (AC
adapter). If you are not sure, check with your dealer.
•
To avoid damaging the power cable of the battery charger, do not put anything on it or place it
where it will be walked on.
This product complies with the requirements of the Council Directives 89/336/EEC and 73/23/EEC on the
approximation of the laws of the member states relating to electromagnetic compatibility and low voltage.
NOTE TO USERS OF HP425 TRANSCEIVER:
WARNING
Your wireless hand-held portable transceiver contains a low power transmitter.
When the Push-to-Talk (PTT) button is pressed it sends out radio frequency
(RF) signals. The device is authorized to operate at a duty factor not to exceed
50%. In August 1996, the Federal Communications Commission (FCC) adopted
RF exposure guidelines with safety levels for hand-held wireless devices.
To maintain compliance with the FCC's RF exposure guidelins, this transmitter
and it’s antenna must maintaina a separation distance of least 2 inches (5
centimeters) from your face. Speak in a normal voice, with the antenna pointed
up and away from the face at the required separation distance. The beltclip is
for storage purposes only. DO NOT TRANSMIT WHILE USING THE BELT
CLIP. To transmit, hold the device away from your body and ensure the antenna
is at least least 2 inches (5 centimeters) from your body when transmitting.
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HP125 User manual
Part Names and their functions
Please have a look to the following parts description in order to familiarize with the transceiver’s main parts
and controls. Numbers in brackets refer to the illustration.
Top
[1] Antenna connector. Fit the antenna to this connector
(MX thread type).
[2] Programming connector (under the protection cap - for
authorized dealers/service facilities only). Allows to
program the radio (channels data) via a suitable
programmer. It must be protected with the supplied
rubber cap when not in use
[3] Status LED. Glows in different colors to show the current radio’s status.
[4]
Monitor button. Enables the speaker for monitoring of the tuned channel.
[5]
Emergency button. Sends an emergency selective call. (if enabled)
Front
[6] Speaker. The built in speaker located here emits the
reception sound.
[7]
14
[8] LCD display. Shows the radio’s parameters (channel
number etc.). Icon and symbols are further explained
in the text “Display”. Whenever any key is pressed the
display is automatically backlit for a few seconds.
[9]
13
11
UP and
Down buttons. For scrolling
forward and backward through function list and for
changing channels, volume and function values.
[10] Keypad. For entering digits of selective call (if
enabled) and letters for the related operations (e.g.
SDM messages or Address Book). Whenever any key
is pressed the display is automatically backlit for a few
seconds.
[11]
Clear button. If pressed for two seconds in
command mode, radio reverts back to standby mode.
In Selcall mode, deletes incorrectly entered digits (if
Selcall is enabled).
[12]
Call button. To send a valid call when using
selective call features. (Selcall - if enabled)
10
12
Power button. Press this key to turn the
transceiver on and off.
[13] MENU button. Allows accessing the main menu.
[14] Microphone. The microphone located in this place
detects your voice.
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HP125 User manual
Side (left and right)
20
19
15
connector.
[15] Microphone
For
remote
speaker/microphone, headsets for VOX use and
other accessories. It must be protected with the
supplied rubber cap when not in use. For the
related pin connections please see to
“Microphone connection”.
18
[16] Battery pack. This NiMH battery pack supplies
energy to your radio.
17
[17] Release button (located on the battery’s body).
Allows for removal of the battery pack.
[18] CALL 1 button. Sends the selective call NO.1.
(if enabled)
[19] PTT (Push To Talk) button. Switches the
transceiver from receive to transmit when
pressed.
16
[20] CALL 2 button. Sends the selective call NO. 2.
(if enabled)
Display
This section explains the meaning of the various indicators that may appear on the LCD of your
HP125/HP425 handheld transceiver:
Radio is transmitting (status LED will glow red at the same time)
Speaker is enabled (you will hear audio communications and/or noise)
DTMF is enabled
CTCSS/DCS tone detected
Selective call detected
Scrambler enabled
Battery Level indicator (the number of bars will vary with level of charge)
Keypad lock enabled
Receive mode (squelch is open)
Reception field strength level (the number of bars will vary with receive strength)
Transmit output power currently selected, respectively high (H) or Low (L)
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Mail notification
Customizable operation
Volume level (the number of bars will vary with volume level)
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HP125 User manual
Setup
Unpacking
The following items are in the package:
(a) Transceiver’s main body
(b) Flexible antenna
(c) Battery pack NiMH 1,200 mA/h
(d) Standard battery charger composed by two parts:
• Cradle
• AC adapter
(e) Belt clip
(f)
User’s guide (this book!)
If something is missing please promptly advise your supplier.
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HP125 User manual
Fitting/removing the antenna
To fit the antenna:
1) Locate the antenna terminal (thread MX connector) on transceiver’s top.
2) Hold the transceiver with one hand and the base (the thicker part) of the antenna with the other one.
3) Attach the included flexible antenna to the antenna terminal by turning the antenna clockwise until it is
firmly locked. Don’t overtighten the antenna!
To remove the antenna reverse the previous step.
" Leave the antenna attached on the radio. You can not communicate without it. Moreover,
transmitting without the antenna may damage the TX final stage. For the same reason use only the
supplied antenna.
! The supplied antenna is broadband type and covers the whole spectrum. The antenna does not
need any alignment.
Installing/removing the battery pack
To install the battery pack (please see the figure):
1) Hold the transceiver’s body with one hand and the battery
pack with the other. Put the battery pack onto the metallic
back of the transceiver as shown at approximately 2 cm
from the bottom edge of the thick part of the transceiver.
2) Gently slide the battery pack toward the transceiver’s
bottom edge keeping it slightly pressed onto the metallic
back surface.
3) At approx. 1.5 cm you will feel the battery’s guides fitting
with the transceiver’s guides (the battery pack will be
closer to the transceiver). Keep sliding the battery pack
toward the back edge.
4) At the end you will hear two clicks: the battery pack will
snap into place and should be firmly locked.
To remove the battery pack:
1) Press the battery release button located in the back of the battery pack.
2) Keep the button pressed and gently pull the battery pack away from the transceiver bottom edge
(the opposite operation of the previous step 2): it will stop at 1.5 cm approximately and will be free.
3) Remove the battery pack by separating it from the transceiver’s body.
Installing/removing the belt clip
The supplied belt clip allows you to hang the transceiver on your belt or jacket when you are not using the
radio.
To fit the belt clip onto the transceiver’s body:
1) Remove the battery pack as explained in “Installing/removing the battery pack”.
2) Just gently slide the clip into the appropriate guides located in the transceiver’s back until it firmly
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HP125 User manual
locks.
To remove the belt clip:
1) Remove the battery pack as explained in “Installing/removing the battery pack”.
2) Reverse step 2.
" Do not forget to remove the battery pack before fitting/removing the belt clip, otherwise the
operation will be harder to perform.
Charging the Battery
To charge the supplied battery pack you have to setup the supplied standard charger and connect the
radio as follows (please see the picture):
1) Connect the jack coming from the AC adapter to the cradle’s
socket located in its right side.
2) Connect the AC plug of the AC adapter’s power cable into an
AC power outlet: the built-in green LED of the cradle will glow.
3) Ensure that the radio is switched off. Insert the radio into the
cradle with the keypad toward you (the three metallic contacts of
the battery pack must touch with the three contacts inside the
cradle): the built-in red LED of the cradle will glow.
4) Wait 8-9 hours and remove the radio after that time.
Do not remove the radio before 8 hours, otherwise the
battery’s duty could be temporarily reduced.
" Do not forget to remove the radio after 9 hours.
" The battery charger is for indoor use only.
" For maximum battery life please see the chapter “Care and Maintenance”.
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HP125 User manual
Basic Operations
This section describes how the standard operations work. Programming can change standard operation.
Functions of the radio can be modified via an IBM compatible PC. For this reason the way your radio
operates may be upgraded and may slightly differ from what is described here.
! IMPORTANT: Due to the full programmability of the radio, certain menu commands could be
unavailable. E.g. if your radio has not been programmed for selective call operations, the related
menu commands won’t be recalled. In case of doubts please contact your dealer/radio network
administrator for further details.
Switching the radio ON/OFF
To switch the radio on:
1) Hold the
sequence:
(power) button until the radio is switched on: the LCD will start an autotest showing in
• A welcome message (if previously programmed – it is usually your company name or your personal
station identification). At the same time all the LCD icons will be shown for one second as LCD test.
• The firmware release number (FW Rev.).
2) After the autotest has been carried out the LCD will steadily show the following data:
CHANNEL 1
• The battery level
. (number of bars indicate level of charge)
• The channel name/number on the first line (a specific twelve alphanumeric characters
identification name), it could be the last recalled channel or a previously programmed specific
channel.
• The current volume level with an LCD bar indication.
• The currently selected TX output power: L (low) or H (high) in the lower right corner of the LCD.
To switch the radio off Press and hold the
key until the transceiver switches off.
Reception
Your radio could be previously programmed to work, channel by channel, in “Open traffic”, “CTCSS/DCS” or
“Selcall” mode. Please have a look at each description and ask your radio network manager or dealer which
mode your radio channels work.
• OPEN TRAFFIC: in this case you will hear any communication which will be transmitted on the
selected channel. When any signal is received your squelch will unmute and you will see in the LCD
the icon
(speaker enabled),
(squelch is open),
(reception field strength level – the
number of bars will vary according to the received signal strength). Moreover you will see the status
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HP125 User manual
LED glowing green and you will hear the message.
• CTCSS/DCS (Continuous Tone Code Squelch System - Digital Coded Squelch): are systems which
use particular TX signaling (a continuous sub-audible tone for CTCSS or a digital code for DCS) as
an access “key” to work a repeater (encoder) or to unlock the party’s signaling sensitive squelch.
This last condition allows sharing more radio networks in the same frequency. In this case you will
receive only messages coming from parties sending a proper TX signaling. Please see the chapter
“Selcall Operation” for further details.
• SELCALL (Selective call): is a system which uses a signaling sequence (e.g. audio tones for “5
tones” and DTMF Selcall or a frequency shift signaling for FFSK) to call a particular station or
group(s). In this case you will receive only calls provided with your identification selective call code
(a number) or calls sent to the group you desire. For further details please see the chapter “Selcall
operation”.
! CTCSS/DCS and Selcall can be combined together.
" CTCSS/DCS and Selcall allow to share more than one radio network in the same frequency,
however they are just useful to avoid disturbing stations not owning of the same network
with messages not related to them. In any case, if more than one station is transmitting at the
same time, this will cause interference. Do not transmit if the status LED is glowing or the
icon is on the LCD. Wait until channel is clear before transmitting.
Adjusting volume
When no keys are pressed for 5 seconds, the radio is in its normal stand by condition and the
(up)
and
(down) keys are used to adjust the RX volume. To adjust the volume repeatedly press the
(up) key to increase or the
(down) key to reduce the volume. The bar meter
is provided in the bottom of the LCD to continuously show the volume
level. The number of bars will vary depending on volume level.
Channel selection
If your radio has been programmed with more than one channel, you can easily change it. As previously
explained, each channel can be identified by alphanumeric names which are previously defined by your
network manager or supplier.
To select a channel:
Channel
1) Press the MENU key in order to access the command menu and see on the display the message
Channel. Press the
2) . Press the
key to increase the channel (number) or the
key to decrease it
(clear) key for two seconds to escape the command mode
! After 5 seconds, if you have not pressed any keys, the radio automatically reverts back to standby
mode.
Adjusting squelch
Squelch is provided to silence your radio when you are working in open traffic mode (please see
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HP125 User manual
“Reception”) and no signals are received. It’s very important to adjust the squelch to a level in order to
assure you a stable silence in stand-by condition. If the squelch level is too high, you might lose weak
signals. A good squelch adjustment assures also proper scanning operation.
To adjust the squelch:
1) Ensure that no communications are carried out in the tuned channel (the icon
in the top right part of the LCD).
should not be present
2) Press the MENU key in order to access the command menu and see on the display the message
“Squelch”. You will also see a number, which is the squelch adjustment level.
3) Press the
key repeatedly to decrease the squelch level: after the level 1 you will see OFF squelch
Squelch
is disabled and you will also see the icon
4) Press the
key repeatedly in order to select the minimum squelch level in which the
disappears ( level 2 normally).
5) Press the
. icon
(clear) key for two seconds to escape the command mode.
! After 5 seconds, if you have not pressed any keys, the command menu is automatically escaped
! In case of either CTCSS or Selcall system programmed, squelch does not affect the speaker status,
because the radio is closed awaiting the correct tones. In case of advanced signaling systems,
please, pay attention to the programming of the monitor key function (further described). Depending
on this, you may or may not be able to press the
button to mute/unmute the loudspeaker and to
adjust the squelch level. The set squelch level will be stored and recovered at every switch on
operation.
Transmission
When you need to transmit please get used to following all these steps:
1) Ensure that the channel is not busy. (Otherwise you will create interference. Please wait for the
channel to clear).
2) Press the PTT key: the status LED will glow red.
3) Start talking at a normal voice level at approximately 10 cm from the microphone (keep the PTT key
pressed).
4) When your message is over, release the PTT.
! Do not shout! It will not increase the distance you are able to communicate. Shouting into the
microphone will only make your transmission sound distorted!
! Don’t release the PTT before your message is over or start talking before pressing it, otherwise
your message will be “chopped”.
! A PMR handheld radio doesn’t normally allow you to talk and receive simultaneously, for this
reason make your messages short.
! The radio might be programmed with a timeout timer that will automatically switch your radio to
receive mode if you talk too much (after a preset time). In this case release the PTT and wait for a
few seconds: the radio TX features will be automatically reset. Ask the network administrator or
your dealer for further details.
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HP125 User manual
Adjusting Transmit Power
Your HP125/HP425 can transmit with two power levels according to the distance of your party’s station(s).
Low and High levels can be defined by default during programming. We recommend, when possible, to use
the Low power: it will increase the battery life and will reduce the risk of interference with stations not in
your radio network which may be sharing the same channel with you.
1) Press the MENU key to access the command menu and see on the display Power. You will also see a
cursor on either L or H.
Power
2) Change the power as follows:
• If the LOW power is currently selected, press the
move to H.
key to set to high power; the cursor will
• If the HIGH power is currently selected, press the
move to L.
key to set to low power; the cursor will
3) Press the
(clear) key for about 2 seconds to escape the command menu and restore the radio to
normal standby operation.
! After 5 seconds, if you have not pressed any keys, the command menu is automatically escaped.
Adjusting display contrast
You can adjust the LCD contrast in order to obtain the best readability. It will vary depending on your use as
well as the environment illumination.
1) Repeatedly press the MENU key in order to access the command menu and see on the display the
message Contrast.
Contrast
2) Press the
3) Press the
key repeatedly to increase the contrast or the
key to decrease it.
(clear) for 2 seconds key to escape the command menu mode.
! After 5 seconds, if you have not pressed any keys the command menu is automatically escaped.
Scanning channels
If you have more than one channel programmed, your HP125/HP425 can scan them. The advanced scan
functions of the radio allows you to optionally preset two groups (g1 and g2).
1) Repeatedly press the MENU key in order to access the command menu and see on the display g2
Scan g1.
g2
2)
Scan g1H
Activate the scan as follows:
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HP125 User manual
• If you have only one group available press the
• If you have two groups programmed, press
key.
to scan the g2 group or
to scan g1.
• If you simultaneously want to scan the 2 groups, press and hold g1 or g2.
In both cases you will see Scanning and the channel names cycling continuously on the display. The
scanning starts from the lowest address number toward the highest. If one or more priority channels
have been programmed, it will start from the first priority address number.
3) To stop channel scan Press the MENU key,
or the PTT.
! If you are working in Open traffic (please see the paragraph “Reception”) ensure that the squelch is
properly set, otherwise the scanning may not work properly. See the paragraph “Adjusting squelch”
for more details.
! If CTCSS/DCS or Selcall have been previously programmed, the scanning will stop only if the
received signal has the appropriate signaling.
! If you press the PTT during channel scan, scanning will stop and transmit in the priority channel or
in the first available vacant channel, depending on programming.
! Channel scan can be programmed by your radio network administrator or dealer in a variety of
different parameters depending on your needs. For example he can assign one or more priority
channels, adjust the scan speed (switching time), the resume time (the time the radio waits before
scanning resumes after receiving a signal), set busy or vacant channel stop etc. Please contact
your administrator/dealer for further details.
Radio lock
Your HP125/HP425 has been provided with a security function, which protects it against unauthorized or
accidental activation of commands. You can lock the radio in two ways:
• Full lock: every command is locked.
• Partial lock: only the keypad is locked.
Every time you unlock the radio you will have to enter a 4 digits security code called PIN (personal
identification number).
To lock the radio:
1) Repeatedly press the MENU key to access the command menu and see on the display the message F
Lock P.
2) Press the
Lock
key to activate the Full lock or the
PH
key to activate the Partial lock.
To unlock the radio:
1) If the radio is in Partial lock press the MENU key: the display will read PIN ....
2) Enter the PIN (four digits), the radio will be unlocked.
! If you entered the correct pin then the radio will return to normal operation mode. If you entered the
wrong pin radio remains locked.
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HP125 User manual
Selcall and CTCSS/DCS Operation
Reception
During CTCSS/DCS and Selcall operation the radio may be set-up so that the appropriate CTCSS/DCS and
Selcall decoder enables the speaker. Speaker will remain muted until the correct CTCSS tone, the correct
DCS code and/or the appropriate selective call is received. In case of unmuted speaker, the message will
be heard, the status LED will glow green and the receive icon
will be displayed. Moreover the strength
level of the received signal is displayed
(the number of bars will vary according to the received
signal strength). The CTCSS/DCS reception is indicated by the
by the
icon; the Selcall reception is indicated
icon.
Transmission
Sending a Selcall
You can send a selective call in many different ways, which makes it easy and quick to send your calls
depending on your needs: Stored call (who-has called), Manual call and One touch call.
Stored call (Address book)
This mode allows you to originate a call by using a convenient alphanumeric address book which has been
programmed by your radio network administrator or dealer with the most used ID associated to an
alphanumeric label, for example:
Headoffice
15
John
01
Mary
07
Mike
08
Robert
05
.....
XX
.....
XX
! Starting from now, as “address” we mean an ID associated with an alphanumeric label.
To call an address using the address book:
1) Repeatedly press the MENU key to access the command menu and see on the display the message
AddrBook Ok.
AddrBook
2) Press the
Ok
key to access the address book.
3) Select the required address to call (name with associated ID); you have two choices:
• Scrolling trough the various addresses by means of the
and
keys.
• Recalling the initial letter of the addresses. Press the key that states the initial letter (e.g. to call
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HP125 User manual
Mary press 5, to call John press 4 etc.). The unit will display the first name of the address book
starting with the selected character (or the next address if no names beginning with the selected
nd
rd
character is in the list). If the initial letter is the 2 of the 3 one printed on a key, press respectively
that key two or three times (e.g. to recall the Headoffice press 3 twice). If you have more than one
address beginning with the same initial letter use the
reach the proper address.
4) Press the
key to scroll down names till you will
(call) button for 2 seconds to call the selected address.
! If you made a mistake in recalling an address you can abort the call operation at step 4 by pressing
the
(clear) button. Note: the selected address became the default TX address.
! Address book is also useful in reception. When you receive a Selcall ID that is stored in the
address book, your radio will automatically look for that ID in the address book. If it is stored, you
will see the alphanumeric label on the display as well. For example, if you receive 15 as caller ID,
and it is stored in your address book as “Headoffice”, you will see “Headoffice” in your LCD instead
of “15”.
Who-has-called (Call Queue)
This is a convenient facility which is useful to check who has called you and eventually call back him/her.
First of all please note that your HP125/HP425 has a memory which holds the last 10 received calls:
st
John
nd
Robert
rd
Mary
th
Headoffice
th
Lyndsay
th
Mike
th
Branch
1 (most recent received call)
th
William
th
Ann
th
10 (oldest received call)
Peter
This buffer memory is displayed similarly to the address book and is a FIFO (First In First Out) type. This
th
means that the 10 stored address (the oldest received call) is the first, which will be deleted after the 11th,
received call in order to make room for it.
st
In the example the 1 received call came from Peter, so it will be deleted from the call queue as soon as a
new call is received. All the other addresses (Names with associated IDs) will be shifted one position down
st
in order to make room for the new address at the 1 position.
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HP125 User manual
Before a received call
After the call received from Fred (ID 23)
st
John
01
nd
Robert
rd
th
th
st
Fred
23
05
nd
John
01
Mary
07
rd
Robert
05
Headoffice
15
th
Mary
07
th
Headoffice
15
th
Lyndsay
21
th
Mike
08
th
Branch
33
th
William
55
Ann
16
Lyndsay
th
th
th
th
10
th
Mike
Branch
William
Ann
Peter
21
08
33
55
16
19
10
th
To call an address using the call queue:
1) Repeatedly press the MENU key to access the command menu and see on the display the message
CallQueue Ok
CallQueue Ok.
2) Press the
key to access the call queue. This access is only allowed if the CallQueue is not empty.
3) Scroll through the address by using the
and
keys and select the address you want to call.
4) Press the
(call) button to call the selected address: it will be called and automatically deleted from
the call queue.
! If you need to delete an address stored in the call queue without calling it perform the previous
procedure. At the step 4 press the
(clear) button: the selected address will be deleted.
! The call queue is provided with a “space save” function: if more than one call has been received
from the same caller “space save” will overwrite it.
Manual call
If the radio network administrator or your dealer has enabled in your unit the manual definition of variable
address digits:
1) Just dial the variable address digits using the keypad before sending the call. Any digit can be corrected
by overwriting.
2) When you see the correct address on the display, make the call by pressing the
! To repeat the last call, just press the
(call) button.
button twice. (The group tone (‘A’) can be obtained by
pressing and holding the 0 key).
One touch call
To activate the “One Touch call, press either the CALL1 or CALL2 button. If they have been programmed
the preset addresses will be automatically called.
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HP125 User manual
Advanced Operations
In this section we’ll describe some advanced operation which you can do with your handheld transceiver:
Sending status messages
Status digits allow you to transmit some previously programmed conditions in which you could momentarily
be: BUSY, FREE, EMERGENCY etc. Your transceiver can automatically associate the said digits with the
related alphanumeric message in order to make it easier to send and recognizing them exactly as you do
with the address book.
To send a status message:
1) Repeatedly press the MENU key in order to access the command menu and see on the display the
message StatusDig Ok.
StatusDig Ok
2) Press the
key to access the status digit command.
3) Press either the
and
the one you wish to transmit.
keys to scroll through the various programmed messages and select
4) Press the
(call) button to select the status digit.
5) Press the
(clear) button for 2 seconds to escape command menu mode.
6) Refer to “Sending a Selcall” to address the call. Select the required address to call, press the
button, the status digit/digits will be automatically sent to the selected address.
(call)
Sending FFSK free messages (SDM)
1) Repeatedly press the MENU key to access the command menu and see on the display the message
Send SDM Ok.
Send SDM
2) Press the
Ok
key to edit the SDM.
3) Edit the text of SDM by using the keypad as follows.
• Press the key that states each required letter/number (e.g. use 5 to select M, N, O or 5). If the
nd
rd
th
letter is the 2 , the 3 or the 4 one printed on a key, press respectively that key two, three or four
times (e.g. to recall the H press the key 3 twice). After one second the cursor will automatically
move to the next position.
• To select a dot press the key 9 three times.
• To select !, ? or a space, repeatedly press the key 0 until the required character appears on the
LCD.
• If you have made a mistake in editing the message, you can delete characters by briefly pressing
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HP125 User manual
the
(clear) button.
4) Press and hold the
(call) button for 2 seconds to send the SDM.
5) Press and hold the
(clear) button for 2 seconds to escape the command menu mode.
Checking FFSK free messages (SDM)
When you receive an SDM (FFSK message) you will see it on the LCD. Any key will delete it; You can see
the last 5 received messages at any time. SDM messages are queued in a FIFO call queue similar to the
one dedicated for the selective calls (please make reference to “Who-has-called call” in the chapter “Selcall
and CTCSS/DCS Operation”). To recall it:
1) Repeatedly press the MENU key to access the command menu and see on the display the message
MSGQueue Ok
MSGQueue Ok.
2) Press the
not empty.
key to access the message queue. This access is only allowed if the MSGQueue is
3) Scroll through the messages by using the
4) Press the
and
keys and select the one you want to see.
(clear) button for 2 seconds to exit the command menu mode.
Sending DTMF patterns
DTMF (Dual Tone Multifunction Frequency) is a standard signaling system used to dial telephone numbers
over a normal PSTN landline. In radio communications it can be also used to do the same if your radio
channel is connected to a landline via a suitable device (phone patch). DTMF is used to send/receive radio
commands or provide signaling similarly to selective calls. For further details please contact your network
administrator.
To store or dial a DTMF pattern:
1) Repeatedly press the MENU key to access the command menu and see on the display the message
DTMF Send Ok.
DTMF Send Ok
2) Press the
key to edit the DTMF pattern to send.
3) Edit the DTMF pattern to send by using the keyboard. Pressing
Any digit can be corrected by overwriting.
4) Press and hold
5) Press and hold the
or
buttons, you can digit * or #.
(call) button for 2 seconds to send the DTMF pattern.
(clear) button for 2 seconds to escape the command mode.
Handsfree transmission (VOX)
VOX (Voice Operated Transmit) is an automatic system that allows you to automatically switch the
transmission in hands free mode just by speaking in the built-in microphone of a headset (not provided with
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HP125 User manual
the unit). Please ensure that the handset is suitable for your transceiver as reported in the paragraph
“Microphone connection”.
To adjust the VOX sensitivity:
1) Connect the optional headset with built-in microphone to the microphone connector located on the
transceiver’s side.
2) Repeatedly press the MENU key to access the command menu and see on the display the message
VOX. You will see OFF (disabled) or digit which indicates the microphone sensitivity value.(OFF-9)
OFF
Vox
3) Ensure that the headset’s built-in microphone is located close to the side of your mouth.
4) Press either the
and
keys to adjust the VOX sensitivity in order to ensure a stable
transmission when speaking with a normal voice level.
5) Press and hold the
(clear) button for 2 seconds to escape the command mode.
" We recommend setting the VOX to lowest sensitivity possible; too high a value could cause
accidental transmissions, especially in hi-noise environments.
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HP125 User manual
Care and Maintenance
Battery Packs
Information on rechargeable batteries
• When the battery pack is new it does not provide 100% of its efficiency. To reach the full battery
life you must “run-in” the battery with at least 3-4 deep charging/discharging cycles, after that it will
reach its maximum capacity. Please see “Proper charging of battery packs” for further details.
• Should you properly use the battery pack, you will obtain at least 400 charge/discharge cycles (300
with the optional rapid charger).
• Nickel-Metal-Hydride rechargeable battery packs lose their charge with time if left unused (selfdischarge), this is normal. A NiMH (Nickel-Metal-Hydride) battery can reduce 10 to 20% of its
stored energy in few days.
Proper charging of battery packs
1) Ensure that the radio is switched off; otherwise switch it off by holding the
(release it after the radio is switched off).
(power) key pressed
2) Insert the radio into the cradle as explained in the paragraph “Charging the battery pack”
3) Wait the necessary time to provide a full charge. If the pack isn’t completely discharged you will need
less than 8 hours. Evaluate the time by using the battery level indicator
and common sense.
" Do not overcharge the battery: always remember to remove the radio after the necessary
time.
" The battery charger is for indoor use only.
! When possible, charge the battery when it is fully discharged. The battery’s duty could be
temporarily reduced. Please see the paragraph “Memory effect”.
! Don’t remove the radio before the necessary time, otherwise the battery’s duty could be temporarily
reduced. Please see the paragraph “Memory effect”.
Memory effect
The supplied NiMH (Nickel Metal Hydride) battery pack is made with a more advanced technology than
normal NiCd (Nickel Cadmium) battery. For this reason it is virtually free of what is called “memory effect”,
which affects NiCd batteries. Memory effect is a temporary capacity reduction that reduces the battery
duty. Memory effect may occur just if you regularly charge the battery when you haven’t discharged it at
least at 50-70%. Memory effect can be easily avoided by following these simple rules:
• When possible charge battery packs only when they are completely discharged, i.e. when the
battery icon has no bars inside.
• Don’t remove the battery from the charger before the necessary time to provide a full charge.
• Provide at least two deep charge/discharge cycles per month.
• The best way to avoid memory effect is to use two battery packs and alternate their use with the
Page. 24
HP125 User manual
radio. This will allow you to keep on your transceiver’s operation by replacing the battery pack just
when it’s fully discharged and use the spare (charged) one. At the end of your working day you will
charge the discharged pack for 8 hours.
Erasing memory effect
Memory effect can be easily erased just by applying 3-4 deeper charge/discharge cycles:
1) Use the battery fitted in the radio and wait until the radio switches off. Do not stop when the last battery
bar disappears from the
icon; wait until the LCD completely disappears.
2) Wait at least one hour and then try to turn the radio on by pressing the
button: you will note that
some energy has restored in the battery, because the radio can be switched on.
3) Leave the radio in RX until the radio switches off again.(usually after a few minutes)
4) Repeat steps 2 and 3 three times.
5) Fully charge the battery for 9 hours and check the battery duty. If some memory effect still exists go
back to step 1.
! If the battery duty doesn’t improve after three cycles, your battery pack is faulty or has reached the
end of life (please see “Information on rechargeable batteries”).
Warnings for battery and charger use
Please use these cautions to avoid damaging battery packs or the transceiver:
" Before using the battery charger carefully read any related warning or caution.
" Don’t short battery terminals: this may cause fire, burns or explosions.
" Never dispose of batteries into fire they may explode causing, burns or explosions. Strictly
follow any disposal regulation of your country.
" Use only authorized batteries and chargers. The use of non-authorized accessories may cause
burns, fire or explosions, resulting in serious damage to the radio/battery or serious injury to
you.
" Battery chargers are for indoor use only.
" Be certain that your power source matches the rating listed for the supplied battery charger
(AC Adapter). If you are not sure, check with your dealer.
" To avoid damaging the power cable of the battery charger, do not put anything on it or place
it where it will be walked on. Insert the plug in socket provided with grounded connection.
" . Do not use the charger if it has fallen down or it appears damaged; immediately contact an
authorized service station.
" Never try to disassemble or service the charger by yourself. Always contact your local dealer
for assistance.
" To reduce the risk of electric shocks disconnect the plug before any cleaning or maintenance.
Grasp the plug (not the cable) to remove the plug from the socket.
" Do not expose batteries directly to temperatures below -20°C (-4°F) or greater than 35°C
(95°F) during their use and do not charge them outside the range of +5 to +55°C (41-131°F).
Page. 25
HP125 User manual
Radio maintenance
Cleaning battery packs
Wipe the battery contacts with a clean and lint free cloth to remove dirt, grease or any other material that
may prevent a good electrical contact. If contacts are very dirty you can also wipe them using a soft pencil
eraser (not hard erasers for ink!). If you feel that battery contacts are not working properly, please contact
your authorized dealer.
" Do not use liquid, alcohol or aerosol cleaners.
Cleaning the radio
•
Wipe the radio with a clean and lint free cloth to remove dust. If it is very dirty, you can use a damp
(slightly moistened with water) cloth.
" Do not use liquid, alcohol or aerosol cleaners.
! If you normally use your radio in dusty or hard environments, we do recommend using the optional
carrying case. Please see “Optional accessories”.
Connectors
When the connectors are not being used, they should be fitted with the supplied cover caps.
" Only authorized accessories should be connected to the related connectors.
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HP125 User manual
Optional accessories
These optional accessories can be used to improve the transceiver’s performances:
•
Spare battery pack.
•
Rapid charger.... Recharges the battery pack in 1 hour and provides trickle charge when the battery
pack reached a full charge.
•
Carrying case.
Microphone connector
The microphone connector is designed for the connection of two basic accessories (not supplied as
standard):
•
An external speaker/microphone, which allows using the radio secured firmly to your belt by means
of the supplied belt clip.
•
A headset with built-in microphone, which additionally will add the “VOX” facility. For further details
please see “Hands free transmission (VOX)”.
Any kind of accessory for the above stated purposes can be connected to the microphone connector,
provided that they meet the following requirements:
•
Jack connectors for Speaker (SPK) and Microphone (MIC) must be respectively standard type 3.5 mm
and 2.5 mm. and connected as follows:
MicGND
MIC
SPK
Spk GND
•
The suggested speaker input impedance is 8 Ohms
•
The microphone should be condenser low-impedance type.
•
Any accessory should be of high quality suitable for professional use.
" Please don’t connect any accessory that you are not sure meets the above stated
requirements. You could cause serious damages to your radio. In case of doubt please
contact your authorized dealer.
WARNING to HP425 users
Your wireless hand-held portable transceiver contains a low power transmitter. When the Push-to-Talk
(PTT) button is pressed sends out radio frequency (RF) signals. The device is authorized to operate at a
duty cycle factor not to exceed 50%. In august 1996, the Federal Communications Commissions (FCC)
adopted RF exposure guidelines with safety levels for hand-held wireless devices. The FCC has issued the
following warning,
Page. 27
HP125 User manual
To maintain compliance with the FCC’s RF exposure guidelines, this transmitter and its antenna must
maintain a separation distance of at least 2 inches (5 centimeters) from your face. Speak in a normal voice,
with the antenna pointed up and away from the at the required separation distance. The belt clip is for
storage only. DO NOT TRANSMIT WHILE USING THE BELT CLIP. To transmit, hold the device away from
your body and ensure the antenna is at least 2 inches (5 centimeters) from your body when transmitting.
Quick reference
Operation summary
You should now be familiar with your transceiver. Now you know how very easy it is to use one of its menu
commands. Follow this quick reference.
1) Press repeatedly the MENU key until the required setting appears on the LCD.
2) Perform one of the following actions:
• If the related message is followed by Ok, press the
key to enter the setting.
• If two arrows are present in each side of the LCD, press either
decrease or increase the setting.
or
respectively to
• If two parameters appears in each side of the LCD, press either
activate the left or right parameter.
or
respectively to
3) If necessary do what is described for that particular setting press and hold
DTMF sending).
4) To exit from the menu command press and hold the
(call) button in case of
(clear) key for 2 seconds.
LCD Memo reference guide
As soon as you have read the entire manual, the following table references the meaning of each LCD
message to help you quickly locate each function / setting. This is just a memo, for further details please
see the related paragraph.
Page. 28
HP125 User manual
LCD Message
Description
For full details please see…
Channel
Operating channel selection (if more than one previously Channel selection
and
to select the needed channel.
programmed). Use
Squelch
Squelch (audio mute in open traffic mode) adjustment. Use
and
to select the level.
Power
Contrast
g2 Scan g1
F Lock P
AddrBook Ok
Allows adjusting the transmission output power. Use
to select L (Low) or H (High).
Display contrast adjustment. Use
and
Radio lock against misuse. Press
to lock the entire radio.
to lock the keypad only or Radio lock
key to call the address.
(Selcall) Display the addresses of the last 10 received addresses Who-has-called call
to access the call queue, then use
(to recall the callers). Press
to select an address. Press and hold the
call, or Press and hold the
key to
key to delete it.
(Selcall) Sends the previously programmed status messages. Press Sending status messages
to access the status list, then use
and
to select the
needed status. Press and hold the
status.
Send SDM Ok
Adjusting display contrast
to select it.
to Stored call
(Selcall) Display the preprogrammed Address book. Press
and
access the book, then use
or the keypad to select
and
StatusDig Ok
Adjusting transmission power
Channel scanning. If you have only one programmed group use Scanning channels
to activate the scanning. If you have two groups, press
to
scan group 1 or
to scan group 2. Press and hold g1 or g2 to
scan both.
the address to call Press and hold the
CallQueue Ok
and
Adjusting squelch
key to confirm the selected
to start Sending FFSK free messages
Allows editing an FFSK text message (SDM). Press
editing the message (use the keypad to edit). Press and hold the
key to send the message.
MSGQueue Ok
DTMF Send Ok
to access Checking FFSK free messages
Display the last 5 received FFSK messages. Press
the message queue, then use
and
to scroll through the
messages.
To edit and send a DTMF pattern. Press
to start editing the Sending DTMF patterns
pattern (use the keyboard to edit). Press and hold the
VOX
to send.
Allows selecting the VOX sensitivity for handsfree operation Hands free transmission
and
to select the
(through an external headset). Use
level. Press and hold
key to escape command mode.
Page. 29
HP125 User manual
Main Specifications
General
Frequency Bands
VHF (HP125): 136÷174 MHz (136÷162 / 146÷174 MHz)
UHF (HP425): 400-520
MHz (400÷440/440÷470 /470÷520)
Number of Channels up to 280
Frequency Control
synthesizer
Modulation System
F3E / G3E
Channel spacing
12.5 / 25KHz
Temperature Range
-30 / +60 °C operative, -40 / +80 °C storage
Humidity
90% not condensing @ 40°C
Power Supply
NiMH battery 1,200mA/h
RF Impedance
50Ω
Antenna socket
MX thread type
Frequency Stability
better than ± 2.5ppm
Transmitter
Output Power
5 W VHF/4W UHF,High / low level programmable channel dependent
Modulation System
FM (F3E) / PM (G3E)
Maximum Deviation
±2.5 KHz@12.5KHz, ±5 KHz@25KHz
Adjacent Channel Power
< -60dBc
Spurious Emissions Switching
< 0.25µW 9KHz÷1GHz, <1µW 1÷4GHz
Bandwidth
full band
Receiver
Circuit Type
Double Conversion
Intermediate Frequencies
I: 45 MHz, II: 455 kHz
Sensitivity
< 0.25µV @ 12 dB SINAD
Intermodulation Rejection
> 65dB
Spurious Response Rejection
> 70dB
Adjacent Channel Selectivity
> 60dB 12.5KHz, 70dB 25KHz
Switching Bandwidth
full band
Squelch threshold
0.18µV
Squelch hysterisis
< 3dB
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HP125 User manual
AF & signaling
Audio power
> 500mW @ 10% distortion
CTCSS sensitivity
< 6dB Sinad
CTCSS selectivity
accept tones +/-0,5%
Selcall sensibility
> 99% @ 12 dB Sinad
> 95% @ 10 dB Sinad
Selcall selectivity
accept tones +/-1,5%
reject tones +/-3%
Mechanical Specs
Size (mm)
148 x 36 x 60
Weight
385 g.
Display
backlit LCD 2 x 12 char alphanumeric
Keyboard
12 + 3 function keys + UP/DOWN/MENU
keys + Emergency key
Battery
back slide battery
Radio and key paint
grease resistant
Shock resistant
follow MIL STD 810
Water & dust
IEC529 IP54
Environmental:
IEC529 IP54 and MIL STD 810 C,D,E
Page. 31
HP125 User manual
Index
Address book
Adjusting
Display Contrast
Squelch
Transmission Power
Volume
Antenna
fitting/removing
18
16
14
16
14
11
Battery charger
rapid (optional)
standard
Battery pack
Charging
Battery packs
cleaning
Erasing memory effect
Information on rechargeable batteries
Memory effect
Proper changing
Warnings for battery and chargers use
Belt clip
27
12
12
26
25
24
24
24
25
11
Call Queue
Care and Maintenance
Carrying case
Channel selection
Cleaning the radio
Connectors
Contrast
LCD adjusting
Conventions and Symbols
19
24
27
14
26
26
16
Display
Adjusting contrast
DTMF
Sending patterns
16
22
FFSK
Checking free messages
Sending free messages (SDM)
22
21
Handsfree transmission (VOX)
22
LCD
Adjusting contrast
16
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32
HP125 User manual
Memory effect
Microphone connector
24
27
Optional accessories
Carrying case
Rapid charger
Spare battery pack
Output power
Adjusting
27
27
27
27
16
Part Names and their functions
Power
button
ON/OFF
TX output adjustment
13
13
16
Quick reference
LCD memo reference guide
Operation summary
28
28
28
Radio lock
Radio maintenance
Rapid charger
Reception
17
26
27
13
Safety
Scanning channels
SDM
Selcall
Address book
Call Queue
Manual call
One touch call
Reception
Sending a Selcall
Sending status messages
Transmission
Sending
a Selcall
DTMF patterns
Setup
Battery pack
Belt clip
Charging the battery pack
Fitting antenna
Package contents
Unpacking
Specifications
AF & signaling
General
Mechanical specs
Receiver
Transmitter
16
See FFSK, Sending free messages (SDM)
18
19
20
20
18
18
21
18
18
22
11
11
12
11
10
10
30
31
30
31
30
30
Page.
33
HP125 User manual
Squelch adjusting
Stored call (Address book)
Switching the radio ON/OFF
14
18
13
Transmission
Transmission Power
15
16
VOX
22
Warning notes
Warnings for battery and chargers use
25
Page.
34

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Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.2
Linearized                      : Yes
Create Date                     : 2001:09:19 12:29:33
Producer                        : Acrobat Distiller 4.0 for Windows
Modify Date                     : 2001:09:19 12:29:36-04:00
Page Count                      : 34

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