GME TX667 User manual

TX667 Instruction Manual 1
TX667
1 WATT UHF CB HANDHELD RADIO
ARTWORK SUMMARY
DRAWING # 52620-1
PART # 311164
JIRA REFERENCE GRA-3364
ECO # N/A
SUPPLIER Online
MPE #
INSTRUCTION MANUAL

TX667 Instruction Manual
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PREFACE
COPYRIGHT NOTICE
GME Pty Ltd reserves all rights to this document and the information contained
herein. Reproduction, use or disclosure to third parties without express permission
is strictly prohibited.
© 2022 GME Pty Ltd, Sydney, Australia
SAFETY INFORMATION
The TX667 is a radio transmitting device.
• When transmitting, keep the antenna more than 25 mm from any part
of the head or body.
• Do not transmit near electrical blasting equipment or in explosive
atmospheres.
• Do not allow children to operate a radio transmitter unsupervised.
IMPORTANT INFORMATION CONCERNING UHF CB RADIO
The use of the Citizen Band radio service is licensed in Australia by the ACMA
Radio communications (Citizens Band radio Stations) Class Licence and in New
Zealand by the Ministry of Economic Development New Zealand (MED). A General
User Radio Licence for Citizens Band radio and operation is subject to conditions
contained in those licences. The class licence for users and equipment operating
in the CB/PRS 477 MHz band has been amended. This radio meets the new 80
channel standard.
In simple terms the same amount of spectrum is available; however, radio
transceivers can now operate in a narrower bandwidth and hence use less
spectrum. These radios are generally referred to as narrowband or 12.5 kHz radios.
By using 12.5 kHz channel spacing instead of 25 kHz, the 40 channels originally
allocated can now be expanded to 80 channels thereby doubling the channel
capacity and relieving congestion in the UHF CB/PRS band.

TX667 Instruction Manual 3
Original 40 channel wideband radios will continue to operate on the original 40
channels, however they will not be able to converse on the newer channels 41 –
80. The newer narrowband radios will be able to converse with all older 40 channel
wideband radios on all channels 1 – 40 as well as the newer channels allocated
from 41 – 80. The mixing of narrowband and wideband radios in the same
spectrum can cause some possible operating issues of interference and varying
levels of received volume.
Possible Issues
When a new narrowband radio receives a transmission from an older wideband
radio the speech may sound loud and distorted – simply adjust your radio volume
for best performance. When an older wideband radio receives a signal from a new
narrowband radio, the speech may sound quiet – simply adjust your radio volume
for best performance.
Depending on how close your receiving radio is to another transmitting radio,
there can be interference from the transmitting radio if it is using a channel
adjacent to the channel you are listening to. Simply try going up or down a few
channels from the currently selected channel.
The above situations are not a fault of the radio but a symptom of operating
wideband and narrowband radios in the same bandwidth. This possible
interference will decrease over time as the population of wideband radios ages
and decreases.
Further information and updates are available from the Australian
Communications and Media Authority (ACMA) at www.acma.gov.au and the
Ministry of Economic Development (MED), Radio Spectrum Management at www.
rsm.govt.nz.

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1. Consumer guarantees
1.1 Our goods come with guarantees that cannot be excluded under the
Australian Consumer Law. You are entitled to a replacement or refund
for a major failure and for compensation for any other reasonably
foreseeable loss or damage. You are also entitled to have the goods
repaired or replaced if the goods fail to be of acceptable quality and the
failure does not amount to a major failure.
1.2 To the extent we are able, we exclude all other conditions, warranties
and obligations which would otherwise be implied.
2. Warranty against defects:
2.1 This Warranty is in addition to and does not limit, exclude or restrict
your rights under the Competition and Consumer Act 2010 (Australia) or
any other mandatory protection laws that may apply.
2.2 We warrant our goods to be free from defects in materials and
workmanship for the warranty period (see warranty table) from the
date of original sale (or another period we agree to in writing). Subject
to our obligations under clause 1.2, we will at our option, either repair
or replace goods which we are satised are defective. We warrant any
replacement parts for the remainder of the period of warranty for the
goods into which they are incorporated.
2.3 To the extent permitted by law, our sole liability for breach of a
condition, warranty or other obligation implied by law is limited.
(a) In the case of goods we supply, to any one of the following as we
decide –
(i) The replacement of the goods or the supply of equivalent
goods.
(ii) The repair of the goods.
(iii) The cost of repairing the goods or of acquiring equivalent
goods.
(b) In the case of services we supply, to any one of the following as we
decide –
(i) The supplying of the services again
(ii) The cost of having the services supplied again.
GME CONTRACT WARRANTY AGAINST DEFECTS

TX667 Instruction Manual 5
2.4 For repairs outside the warranty period, we warrant our repairs to
be free from defects in materials and workmanship for three months
from the date of the original repair. We agree to re-repair or replace (at
our option) any materials or workmanship which we are satised are
defective.
2.5 We warrant that we will perform services with reasonable care and skill
and agree to investigate any complaint regarding our services made in
good faith. If we are satised that the complaint is justied, and as our
sole liability to you under this warranty (to the extent permitted at law),
we agree to supply those services again at no extra charge to you.
2.6 To make a warranty claim you must before the end of the applicable
warranty period (see warranty table), at your own cost, return the
goods you allege are defective, provide written details of the defect,
and give us an original or copy of the sales invoice or some other
evidence showing details of the transaction.
Before returning any goods you will be required to follow the available
options:
Contact our Customer Support Team on 1300 463 463 or
[email protected].
A customer support team member will troubleshoot and validate if
your product is faulty. If so, they will email you a product RMA (Return
Material Authorisation).
Products that are authorised to be returned to GME must include the
following:
RMA form (Return Material Authorisation)
A copy of your proof of purchase, the faulty product, including all
accessories
2.7 Send your claim to:
GME Pty Ltd.
17 Gibbon Rd, Winston Hills, NSW 2153, Australia.
Tel: [phone] Fax: [phone].
Email: [email protected]
2.8 If we determine that your goods are defective, we will pay for the cost
of returning the repaired or replaced goods to you, and reimburse you
for your reasonable expenses of sending your warranty claim to us.

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3. What this warranty does not cover:
3.1 This warranty will not apply in relation to:
(a) Goods modied or altered in any way.
(b) Defects and damage caused by use with non GME products.
(c) Repairs performed other than by our authorised representative.
(d) Defects or damage resulting from misuse, accident, impact or
neglect.
(e) Goods improperly installed or used in a manner contrary to the
relevant instruction manual; or
(f) Goods where the serial number has been removed or made illegal.
4. Warranty period:
4.1 We provide the following warranty on GME and Kingray products. No
repair or replacement during the warranty period will renew or extend
the warranty period past the period from original date of purchase.
Product Type Warranty Period
477 MHz UHF CB handheld radios 2 Years
Li-ion Battery Packs 1 Year

TX667 Instruction Manual 7
CONTENTS
PREFACE...................................................................................2
Copyright Notice......................................................................... 2
Safety Information...................................................................... 2
Important Information Concerning UHF CB Radio ..................... 2
EMERGENCY CHANNELS............................................................9
Telemetry Channels .................................................................... 9
Important Advice ........................................................................ 9
IN THE BOX ............................................................................10
Optional Accessories ................................................................ 10
FEATURES...............................................................................11
CONTROLS ..............................................................................12
LCD ICONS ..............................................................................13
CHARGING THE BATTERY ........................................................14
Charging the TX667 Single Unit ............................................... 14
Charging the TX667 Twin Pack ................................................ 14
In-Vehicle Charging................................................................... 15
REMOVING/FITTING THE BELT CLIP .........................................16
REPLACING THE BATTERY PACK .............................................17
Battery Usage........................................................................... 18
Battery Low Alert ..................................................................... 18
Conserving Battery Power........................................................ 18
Standby Mode .......................................................................... 18
Use CTCSS/DCS ......................................................................... 18
Avoid Scanning ......................................................................... 19
Use Low Transmit Power.......................................................... 19
GENERAL OPERATION.............................................................19
Turning the Radio On/O.......................................................... 19

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Adjusting the Volume............................................................... 19
Selecting Channels ................................................................... 19
Display Lighting........................................................................ 20
Receiving Signals...................................................................... 20
TRANSMITTING.......................................................................20
Time-out Timer ......................................................................... 21
SQUELCH ................................................................................21
KEYPAD LOCK.........................................................................22
DUPLEX OPERATION...............................................................22
SCANNING ..............................................................................23
ADDING OR REMOVING CHANNELS.........................................23
SCANNING FOR CHANNELS .....................................................24
Scanning Features.................................................................... 24
CTCSS, DCS AND SILENT MODE ...............................................25
MENU OPTIONS ......................................................................26
USING THE MENU ...................................................................26
CHANNEL SELECTION ..............................................................27
DUPLEX MODE SELECTION......................................................27
CTCSS AND DCS CODE SELECTION ...........................................27
TRANSMITTER POWER ...........................................................29
VOX SETTINGS........................................................................29
SQUELCH LEVEL SETTING........................................................30
ROGER BEEP TONE .................................................................30
BUTTON BEEP.........................................................................31
CALL ALARM SELECTION.........................................................31
DUAL WATCH ..........................................................................32
DUAL WATCH OPERATION.......................................................32
SPECIFICATIONS......................................................................36

TX667 Instruction Manual 9
EMERGENCY CHANNELS
The ACMA has allocated channels 5/35 for emergency use only. Channel 5 is the
primary Simplex Emergency Channel. Where a channel 5 repeater is available, you
should select Duplex on channel 5.
Note: Channel 35 is the input channel for the channel 5 repeater. Therefore
channel 35 should also not be used for anything other than emergency
transmissions.
TELEMETRY CHANNELS
ACMA regulations have allocated channels 22 and 23 for telemetry-only
applications and have prohibited the transmission of speech on these channels.
Consequently the radio has a transmit-inhibit applied to channels 22 and 23.
In the event that additional telemetry/telecommand channels are approved by
the ACMA, these channels shall be added to those currently listed where voice
transmission is inhibited. Currently, transmissions on channels 61, 62 and 63 are
also inhibited and these channels are reserved for future allocation.
IMPORTANT ADVICE
• Read all instructions carefully and completely before operating your
radio and retain this manual for future reference.
• Never connect the radio to a power source other than the supplied
battery. This may damage your radio.
• Do not place your radio in front of a vehicle airbag.
• Do not use your radio with a damaged antenna.
• Do not attempt to modify your radio in any way.
• Always charge your radio at normal room temperature.
• Always switch o your radio where notices restrict the use of two-way
radio or mobile telephones.
• Use only GME approved rechargeable battery packs with the supplied charger.
• Avoid storing or charging your radio in direct sunlight.
• Avoid storing or using your radio where temperatures are below -20°C
or above +60°C.

TX667 Instruction Manual
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IN THE BOX
TX667
The following items are supplied as part of the TX667 radio set:
• 1 Watt Handheld UHF CB Radio (TX667)
• 1000mAh Li-Ion Battery Pack (BP020)
• USB Multi-charging Cable (LE061)
• AC Adaptor (PS003)
• Belt Clip (MB047)
TX667TP
The following items are supplied as part of the TX667TP radio set:
• 2 x 1 Watt Handheld UHF CB Radio (TX667)
• 2 x 1000mAh Li-Ion Battery Pack (BP020)
• Dual Desktop Charger (BCD018)
• USB Multi-charging Cable (LE061)
• AC Adaptor (PS003)
• 2 x Belt Clip (MB047)
OPTIONAL ACCESSORIES
The following optional accessories are available as part of the TX667 radio set:
• Speaker Microphone (MC007)
• Earpiece Microphone (HS009)
• USB Vehicle Charging Adaptor (BCV010)
• Leather Carry Case (LC008)
Note: Instruction manuals are available online at
https://www.gme.net.au/manuals-and-brochures.aspx

TX667 Instruction Manual 11
FEATURES
Feature Description
Transmit (TX) 1.0/0.5 watt RF power: Selectable transmitter power allows you to conserve
battery power when transmitting in close range by using the Low Power
setting.
Individually programmable Duplex function: User selectable for only those
individual channels in your area that have repeaters, leaving others free for
use as extra simplex channels.
Receive (RX) 80† channels 477 MHz UHF CB.
Power Save feature: Conserves battery power by sleeping during periods of
inactivity.
Calling Tone and Roger Beep: Alerts you to incoming calls.
Signal receive indicator.
Scanning
and Memory
Functions
Microprocessor controlled frequency synthesiser:
Allows user programmable control of scanning, channel memories and
selected feature options.
Programmable scan function: Scans up to 80 UHF CB channels.
Dual Watch: Monitors two channels simultaneously.
Privacy
Functions
CTCSS & DCS: A built-in Continuous Tone Coded Squelch System and a Digital
Coded Squelch option provide quiet channel operation.
Physical
Properties
Rigid, xed antenna.
Rugged construction.
User Controls
and Interface
Keypad Lock: Prevents accidental button presses.
Backlit LCD: For night viewing.
† Refer the preface for important information concerning the UHF CB radio.

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CONTROLS
This section provides gures and a table that describes various parts of the TX667
radio.
The table that follows is a numbered description of the parts of the TX667 radio,
as labeled in the diagram above.
Label
No. Description Label No. Description
1 Antenna 9 LCD Screen
2 PTT (Push to Talk) Switch 10 Accessory Jack
3 Squelch/Silent/Memory Key 11 Belt Clip
4 Indicator LED 12 Battery Cover
5 Lanyard Mount 13 USB Charge Socket
6 On/O Switch 14 Up/Scan Key
7 Speaker 15 Menu/Function Key
8 Microphone 16 Down/Lock Key
Indicator
LED
PTT
(Push
to Talk)
Switch
Squelch/Silent/
Memory Key
4
3
2
4
5
6
1
7
8
9
10
15 14 13 12
11
16
2
Antenna
Lanyard
Mount
On/O Switch
Speaker
Microphone
LCD Screen
Accessory Jack
Belt Clip
Battery Cover
USB Charge
Socket
Up/Scan
Key
Down/Lock
Key Menu/
Function Key

TX667 Instruction Manual 13
LCD ICONS
The following gure and table below describes the icons on the LCD screen of the
TX667 radio.
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Content
LCD Icons
The following gure and table below describes the icons on the LCD screen of the TX677 radio.
1
23456
8
7
9
17
18 16
15 14 13
12
10
11
The table that follows is a numbered descripon of the icons on the LCD screen, as labeled in the
diagram above.
Label
No.
Descripon Label No Descripon
1Monitor icon:
Appears when the Squelch is open.
10 Baery icon:
Displays baery charge level.
2Dual Watch icon:
Appears when Dual Watch is acve.
11 Duplex icon:
Appears on channels where Duplex
is enabled.
3VOX icon: Appears when VOX mode
is acve.
12 Roger Beep icon:
Appears when the Roger Beep tones
are acve.
4Key Lock icon:
Appears when the keypad is locked.
13 Transmit icon:
Appears when transming.
5 Buon Beep icon:
Appears when buon conrmaon
tones are on.
14 Receive icon:
Appears when receiving signals.
6High Power icon:
Appears when High TX power is
selected.
15 Power Save icon:
Appears when the radio is sleeping.
7Low Power icon:
Appears when Low TX power is
selected.
16 CTCSS/DCS display:
Displays the selected CTCSS or DCS
tone when Silent mode is acve.
8Funcon icon:
Appears when the funcon ‘F’ key
is pressed to acvate secondary
funcons.
17 CTCSS/DCS Silent icons:
Indicates a CTCSS or DCS tone has
been set in the menu.
9Scan icon:
Flashes when radio is scanning.
18 Channel display:
Displays the selected channel in use.
The table that follows is a numbered description of the icons on the LCD screen,
as labeled in the diagram above.
Label
No. Description Label No Description
1Monitor icon:
Appears when the Squelch is open. 10 Battery icon: Displays battery charge level.
2Dual Watch icon:
Appears when Dual Watch is active. 11
Duplex icon:
Appears on channels where Duplex
is enabled.
3VOX icon:
Appears when VOX mode is active. 12
Roger Beep icon:
Appears when the Roger Beep tones
are active.
4Key Lock icon:
Appears when the keypad is locked. 13 Transmit icon: Appears when transmitting.
5
Button Beep icon:
Appears when button conrmation
tones are on.
14 Receive icon:
Appears when receiving signals.
6
High Power icon:
Appears when High TX power is
selected.
15 Power Save icon:
Appears when the radio is sleeping.
7
Low Power icon:
Appears when Low TX power is
selected.
16
CTCSS/DCS display:
Displays the selected CTCSS or DCS
tone when Silent mode is active.
8
Function icon:
Appears when the function ‘F’ key
is pressed to activate secondary
functions.
17
CTCSS/DCS Silent icons:
Indicates a CTCSS or DCS tone has
been set in the menu.
9Scan icon:
Flashes when radio is scanning. 18 Channel display: Displays the selected channel in use.

TX667 Instruction Manual
14
CHARGING THE BATTERY
The TX667 is powered by a 3.7V 1000mAh Li-ion battery pack. The battery pack
should be fully charged before being used for the rst time to ensure maximum
capacity is available.
CHARGING THE TX667 SINGLE UNIT
The TX667 is supplied with a 240V AC adaptor and a USB lead. The AC adaptor will
charge a fully discharged TX667 battery pack to full capacity in around 2 hours.
To charge the radio:
1. Plug the AC adaptor into a 240V AC outlet.
2. Plug the USB lead into the USB socket on the AC adaptor and the
micro USB connector into the charging socket on the side of the
radio.
While the radio is charging, the indicator LED on the radio will light RED and the
battery icon on the display will animate. Once the battery is fully charged, the
indicator LED will change to green and the battery icon will show the fully charged
state.
CHARGING THE TX667 TWIN PACK
The TX667 Twin Pack is supplied with a twin desktop charger, 240V AC adaptor
and a USB lead. The twin desktop charger with the AC adaptor connected will
charge two fully discharged TX667 battery packs to full capacity in around 3
hours.
To charge the radio:
1. Plug the AC adaptor into a 240V AC outlet.
2. Plug the USB lead into the USB socket on the AC adaptor and the
micro USB connector into the socket on the rear of the desktop
charger.
3. Place the radios into the twin desktop charger.
While the radios are charging, the indicator LEDs on the radios will light red and the
battery icons on the display will animate. Once the batteries are fully charged, the
indicator LEDs will change to green and the battery icons will show the fully charged
state.

TX667 Instruction Manual 15
IN-VEHICLE CHARGING
A 12V vehicle charger (BCV010) is available as an accessory. This will charge a
single fully discharged TX667 battery pack to full capacity in around 4 hours using
12V DC from your vehicle’s accessory socket.
When connecting the 12V vehicle charger to the twin desktop charger, two fully
discharged TX667 battery packs can be charged to full capacity in around 6 hours
(with radios switched o).
Note: When using the 12V vehicle charger to charge two radios via the twin
desktop charger, we recommend switching both radios o while charging to
ensure the batteries reach their full charge in the allotted period. If one or more
radios remain switched on during the charging cycle the batteries will achieve
close to their full charge in the allotted time but the indicator LED may not switch
to green. This is due to the lower charge current available from the 12V vehicle
charger.

TX667 Instruction Manual
16
REMOVING/FITTING THE BELT CLIP
To remove the belt clip:
1. Hold the radio with the belt clip facing towards you.
2. Push the release clip downwards to release the locking mechanism
while sliding the belt clip upwards.
3. The belt clip will slide o the radio.
To t the belt clip:
Slide the belt clip into the catch grooves at the top of the belt clip holder and slide
down all the way until it ‘clicks’.

TX667 Instruction Manual 17
REPLACING THE BATTERY PACK
Note: Removing the belt clip rst will provide easier access to the battery cover.
1. Ensure the radio is switched o.
2. Hold the radio face down in your hand with the battery cover
facing upwards.
3. Slide the battery cover downwards with your them, then lift the
cover clear to remove it.
4. Unplug the connector at the top of the battery compartment and
remove the battery.
5. Place the new battery in the battery compartment.
6. Plug the connector into the socket ensuring the red (positive) wire
is on the right (the connector should only t one way).
7. Reinstall the battery cover ensuring the wires do not become
jammed in the cover.

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18
BATTERY USAGE
The time taken to discharge the battery pack will depend on how you use the
radio. The battery pack supplied is powerful enough for up to 17 hours of use
under average conditions using low power. The sections that follow provide
directions and recommendations on the optimal use of the battery pack.
BATTERY LOW ALERT
When the battery icon blinks on the radio’s display, the battery level is low and
the battery pack should be recharged.
CONSERVING BATTERY POWER
The radio has built-in power saving features to help you get the maximum amount
of time between charges from your Li-ion battery pack. If you need to operate
your radio in a situation where you require maximum battery life (e.g. a remote
site where there is no convenient recharging facility nearby) the following hints
can greatly reduce the amount of power drawn from the battery pack.
STANDBY MODE
The radio will automatically enter the ‘Standby’ mode when it is inactive (i.e. not
transmitting or receiving signals).
While in ‘standby’ mode it will still check for incoming signals but it will draw
considerably less power from the battery pack. As soon as a signal is heard or the
keys are pressed the radio will ‘wake up’ again. This ‘standby’ mode is automatic
and by itself can extend the battery life by many hours.
USE CTCSS/DCS
DCS operation and get the other person to call you using the same CTCSS/DCS
tone. Your radio will then remain in ‘standby’ mode and ignore all other signals
until your selected CTCSS/DCS tone is received.

TX667 Instruction Manual 19
AVOID SCANNING
The radio draws more power from the battery pack when scanning than when
monitoring a single channel. This is because it must ‘wake up’ more often to
monitor each channel for activity. In addition, scanning increases the chance of
nding a signal thereby keeping the receiver ‘awake’ and the squelch open more
often.
USE LOW TRANSMIT POWER
The transmitter has both high and low power settings. If you are only operating
over short distances, are in a reasonably high location or are close to a local
repeater, try using the Low transmitter power setting. This reduces the transmitter
power to 0.5 watts which increases the talk time available.
GENERAL OPERATION
TURNING THE RADIO ON/OFF
To switch the radio on or o, hold the button for 2 seconds.
ADJUSTING THE VOLUME
Press the  or  keys to increase or decrease the volume. ‘VOL’ is displayed
along with a value from 1 (min) to 9 (max).
SELECTING CHANNELS
1. Hold the Menu key for 2 seconds. The channel number will ash.
2. Press the  key to step up one channel. Press the  key to step
down one channel.
3. Press and hold the  or  keys to quickly scroll up or down
through the channels.
To exit the channel mode:
Press the PTT switch or simply wait. The channel mode will automatically time
out after 10 seconds.repeater, try using the Low transmitter power setting. This
reduces the transmitter power to 0.5 watts which increases the talk time available.

TX667 Instruction Manual
20
DISPLAY LIGHTING
The LCD backlighting activates automatically whenever a key is pressed and turns
o automatically after about 5 seconds.
RECEIVING SIGNALS
While the radio is not receiving signals, it will remain in ‘standby’ mode to
conserve battery power and ‘Save’ will be displayed. When a signal is received,
the LED indicator on the upper edge of the radio will light green and the
TX677 Instrucon Manual
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Content
Transming
To transmit:
1. Press and hold the PTT (Push-To-Talk) switch. The other radio you are talking to must be
set to the same channel.
2. Hold the radio approximately 5-8 cm from your mouth with the antenna vercal and
speak into the built-in microphone.
3. While the PTT switch is pressed, the LED indicator on the upper edge of the radio will
light red and the icon will appear on the LCD.
4. When you have nished speaking, release the PTT switch to receive incoming signals (it is
not possible to transmit and receive at the same me). If no further signals are received,
the unit will revert to ‘Standby’ mode.
The PTT switch can also be used to transmit a Call Alarm Melody.
When the call alarm melody is enabled (see Menu opons for more details on
Call Alarm sengs), pressing the PTT switch twice quickly will play the call alarm melody in the
speaker of other radios on the same channel to alert them to your call. During this me the
icon is displayed and the LED indicator will light red for about 5 seconds. The call alarm can
only be sent once per minute.
Time-out Timer
The radio has a built-in me-out mer that automacally limits transmissions to a maximum of
3 minutes of connuous operaon. This feature is required by the ACMA to prevent accidental
blocking of the frequency should your PTT switch become jammed or be otherwise pressed
accidentally. When the me-out mer acvates, the radio will beep and ‘tot’ is displayed briey on
the LCD. Normal operaon will be restored once the PTT switch is released.
Selecng Channels
1. In the ‘Standby’ mode, press the key to step up one channel or the key to step down
one channel.
2. Press and hold the or keys to quickly scroll through the channels.
Squelch
The Squelch is used to eliminate the background noise when there are no signals present. When
the squelch is open the receiver’s background noise can be heard. When the squelch is closed the
receiver remains quiet while there are no signals present but any incoming signals will override the
squelch and be heard in the speaker.
To open the squelch:
Briey press the SQL key. This will allow you to check the current channel for acvity before
transming, parcularly if you have CTCSS/DCS enabled.
icon
will appear on the display. Adjust the Volume control for a comfortable listening
level.
If the incoming signal is encoded with a CTCSS or DCS tone matching the one set
in your radio, the LED indicator will light orange and you will be able to hear the
signal in the speaker. If the LED indicator lights green and the
TX677 Instrucon Manual
12 June 2018
© 2018 Standard Communicaons Pty Ltd trading as GME. All rights reserved.
19
50157
Content
Transming
To transmit:
1. Press and hold the PTT (Push-To-Talk) switch. The other radio you are talking to must be
set to the same channel.
2. Hold the radio approximately 5-8 cm from your mouth with the antenna vercal and
speak into the built-in microphone.
3. While the PTT switch is pressed, the LED indicator on the upper edge of the radio will
light red and the icon will appear on the LCD.
4. When you have nished speaking, release the PTT switch to receive incoming signals (it is
not possible to transmit and receive at the same me). If no further signals are received,
the unit will revert to ‘Standby’ mode.
The PTT switch can also be used to transmit a Call Alarm Melody.
When the call alarm melody is enabled (see Menu opons for more details on
Call Alarm sengs), pressing the PTT switch twice quickly will play the call alarm melody in the
speaker of other radios on the same channel to alert them to your call. During this me the
icon is displayed and the LED indicator will light red for about 5 seconds. The call alarm can
only be sent once per minute.
Time-out Timer
The radio has a built-in me-out mer that automacally limits transmissions to a maximum of
3 minutes of connuous operaon. This feature is required by the ACMA to prevent accidental
blocking of the frequency should your PTT switch become jammed or be otherwise pressed
accidentally. When the me-out mer acvates, the radio will beep and ‘tot’ is displayed briey on
the LCD. Normal operaon will be restored once the PTT switch is released.
Selecng Channels
1. In the ‘Standby’ mode, press the key to step up one channel or the key to step down
one channel.
2. Press and hold the or keys to quickly scroll through the channels.
Squelch
The Squelch is used to eliminate the background noise when there are no signals present. When
the squelch is open the receiver’s background noise can be heard. When the squelch is closed the
receiver remains quiet while there are no signals present but any incoming signals will override the
squelch and be heard in the speaker.
To open the squelch:
Briey press the SQL key. This will allow you to check the current channel for acvity before
transming, parcularly if you have CTCSS/DCS enabled.
icon appears
but you cannot hear the signal, it is likely that the incoming signal is using a
dierent CTCSS or DCS tone to that selected in your radio (see Menu options for
more details on setting CTCSS/DCS tones).
If no further signals are received, the unit will return to ‘standby’ mode after a few
seconds.
TRANSMITTING
To transmit:
1. Press and hold the PTT (Push-To-Talk) switch. The other radio
you are talking to must be set to the same channel.
2. Hold the radio approximately 2 – 5 cm from your mouth with the
antenna vertical and speak into the built-in microphone.
3. While the PTT switch is pressed, the LED indicator on the upper
edge of the radio will light red and the
TX677 Instrucon Manual
12 June 2018
© 2018 Standard Communicaons Pty Ltd trading as GME. All rights reserved.
19
50157
Content
Transming
To transmit:
1. Press and hold the PTT (Push-To-Talk) switch. The other radio you are talking to must be
set to the same channel.
2. Hold the radio approximately 5-8 cm from your mouth with the antenna vercal and
speak into the built-in microphone.
3. While the PTT switch is pressed, the LED indicator on the upper edge of the radio will
light red and the icon will appear on the LCD.
4. When you have nished speaking, release the PTT switch to receive incoming signals (it is
not possible to transmit and receive at the same me). If no further signals are received,
the unit will revert to ‘Standby’ mode.
The PTT switch can also be used to transmit a Call Alarm Melody.
When the call alarm melody is enabled (see Menu opons for more details on
Call Alarm sengs), pressing the PTT switch twice quickly will play the call alarm melody in the
speaker of other radios on the same channel to alert them to your call. During this me the
icon is displayed and the LED indicator will light red for about 5 seconds. The call alarm can
only be sent once per minute.
Time-out Timer
The radio has a built-in me-out mer that automacally limits transmissions to a maximum of
3 minutes of connuous operaon. This feature is required by the ACMA to prevent accidental
blocking of the frequency should your PTT switch become jammed or be otherwise pressed
accidentally. When the me-out mer acvates, the radio will beep and ‘tot’ is displayed briey on
the LCD. Normal operaon will be restored once the PTT switch is released.
Selecng Channels
1. In the ‘Standby’ mode, press the key to step up one channel or the key to step down
one channel.
2. Press and hold the or keys to quickly scroll through the channels.
Squelch
The Squelch is used to eliminate the background noise when there are no signals present. When
the squelch is open the receiver’s background noise can be heard. When the squelch is closed the
receiver remains quiet while there are no signals present but any incoming signals will override the
squelch and be heard in the speaker.
To open the squelch:
Briey press the SQL key. This will allow you to check the current channel for acvity before
transming, parcularly if you have CTCSS/DCS enabled.
icon will appear on the
LCD.
4. When you have nished speaking, release the PTT switch to
receive incoming signals (it is not possible to transmit and receive
at the same time). If no further signals are received, the unit will
revert to ‘Standby’ mode.