GME GX620 User manual

GX620
FULLY FEATURED
VHF MARINE
HANDHELD
RADIO
INSTRUCTION MANUAL

PAGE 2 INSTRUCTION MANUAL GX620
INTRODUCTION ..............................3
CAUTION ........................................3
FEATURES.......................................4
STANDARD PACKAGE INCLUDES.....4
OPTIONAL ACCESSORIES.................4
RADIO CONTROLS...........................5
FITTING THE BATTERY PACK............6
Fitting ......................................6
Removal ...................................6
BATTERY CHARGING.......................6
FUNCTIONS ....................................7
LCD DISPLAY...................................9
BASIC RADIO OPERATIONS .............9
RADIO FEATURES EXPLAINED .......10
Volume Level ..........................10
Function (Menu) Mode............10
Channels ................................10
Power High/Low .....................10
Squelch Level Adjustment .......10
Monitor ..................................11
Keypad Lock ...........................11
Channel 16 ............................11
Last Channel Memory (LCM) ...11
Dual Watch/Triple Watch Mode 11
Channel Scan .........................12
Priority Scan ...........................13
Key Beep ................................13
Display & Keypad Backlight ....13
Battery Level ..........................13
Power Save ............................13
INTERNATIONAL USA &
CANADIAN MODES.......................14
SAFETY REQUIREMENTS ...............14
TROUBLESHOOTING......................14
TECHNICAL SPECIFICATIONS.........15
INTERNATIONAL
FREQUENCY PLAN ........................16
FREQUENCY PLAN - CANADA.......17
FREQUENCY PLAN - USA ..............18
WARRANTY ..................................19
GME AFTER SALES SERVICE ..........19
Contents

GX620 INSTRUCTION MANUAL PAGE 3
IntRoDUCtIon
Congratulations on purchasing this GME fully featured VHF Marine radio.
Your GX620 has been built to offer excellent value by combining advanced features,
great design and manufacturing quality.
To ensure you are familiar with the operation and features of your radio, and in order
to obtain the best performance, please read this manual thoroughly before operation.
CaUtIon
IMPORTANT: 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 product.
NEVER: operate your radio with the antenna less than 5 cm from exposed
parts of the body.
NEVER: use the radio in or near a mining facility or other area which uses
remotely triggered explosives or an area labelled ‘Blasting Area’.
NEVER: use or charge your radio in a potentially explosive atmosphere.
DO NOT: place your radio in front of a vehicle air bag.
DO NOT: operate your radio on board an aircraft.
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 off your radio where notices restrict the use of two-way radio
or mobile telephones.
ALWAYS: replace the accessory jack cover when the jack is not in use.
AVOID: submerging your radio into water. It is not submersible.
AVOID: storing or charging your radio in direct sunlight.
AVOID: storing or using your radio where temperatures are below -20º C or
above +60º C.

PAGE 4 INSTRUCTION MANUAL GX620
FeatURes
•Complete International/USA and Canadian channel plans
•Easy to read large backlit LCD
•Simple 3/1 Watt switchable power
•Priority Scan
•Water resistant to IP54
•Drop in style semi-quick charger
•Flexible antenna and carry case
stanDaRD paCkage InClUDes
•GX620 Radio
•Replaceable Flexible Antenna
•Li-Ion Battery Pack (1000 mAh)
•Charging Cradle
•Carry Case
•Instruction Manual
•12 V DC In-Dash Adapter
optIonal aCCessoRIes
•BCT005 – Power Adaptor
•BP006 – 1850 mAH Heavy Duty Li-Ion Battery
•BC003 – Speaker Microphone

GX620 INSTRUCTION MANUAL PAGE 5
RaDIo ContRols
1 Power On/Off and
Volume Control
knob.
2 PTT Button
3 Squelch/Monitor
Button.
4 Keypad Lock Button
5 Down Button
6 Up Button
7 Channel 16 Button
8 Menu Button
9 Dual Watch/Triple
Watch Button.
10 Scan/Priority Scan
Button
11 Jack Cover
12 Accessory Jack
13 LCD Display
14 Lanyard fix point
15 Antenna
16 Microphone
17 Speaker

PAGE 6 INSTRUCTION MANUAL GX620
FIttIng tHe BatteRY paCk
FITTING
1. Ensure that your radio is switched OFF.
2. Align the bottom of the battery pack with the
securing slots at the back of the radio.
3. Press the top of the battery into the back of the
radio until it ‘clicks’ home.
REMOVAL
1. Ensure that your radio is switched OFF.
2. Press down on the battery release catch and
separate the battery pack from the radio.
BatteRY CHaRgIng
To charge your radio, there are 2 options. Prior to charging, disconnect any radio
accessories and ensure the radio is switched OFF. Then carefully follow one of the
following options:
1. Connect the 12 V in-dash adaptor to a 12 V socket:
a. Connect the female adaptor power plug to the charging cradle.
b. Insert the radio into the charging cradle until it ‘clicks’ home. The charger LED
will glow red and charging will start. If the charger LED blinks red and green
or the charger LED does not light, re-insert the radio into the charging cradle.
When the battery is fully charged the charger LED will turn green.
c. The battery charging time is typically 4 to 5 hours.
2. Connect the 12 V in-dash adaptor to a 12 V socket:
a. Remove the jack cover on the side of the radio and connect the male adaptor
into the top accessory jack. The charging cradle is not required for this option.
b. The battery charging time is typically 8 to 10 hours via the accessory jack.

GX620 INSTRUCTION MANUAL PAGE 7
FUnCtIons
1. Power On/Off/Volume Control
Turn the knob clockwise to switch the radio ON and increase the volume, turn
counter-clockwise to decrease the volume and switch the radio OFF. The radio will
emit a confirmation tone when it switches ON.
2. Push-To-Talk (PTT) Button
Press and hold this button to speak (transmit) and release the button to hear
(receive) messages. You can only communicate with other VHF Marine Band radios
when the channel is the same as yours.
3. Squelch Control/Monitor Button
Press this button briefly to change the Squelch level in combination with and buttons.
Press and hold this button to activate or deactivate the MONITOR function.
OR
(or optional Power Adaptor)

PAGE 8 INSTRUCTION MANUAL GX620
4. KEYPAD LOCK Button
Press this button briefly to activate or deactivate the keypad lock function.
5. DOWN Button
Pressing this button will decrease the channel number. In some modes this button
is used to adjust the function setting.
6. UP Button
Pressing this button will increase the channel number. In some modes this button is
used to adjust the function setting.
7. Channel 16 Button
Press this button briefly to enter the channel 16. To return to the normal channel
operation, press this button briefly again.
8. MENU Button
Press this button briefly to activate the function MENU. Press the button again
(repeatedly) to step through the function MENU. Press and hold this button to
return to the previously used channel.
9. DUAL WATCH/TRIPLE WATCH Button ( DW/TW )
Press this button briefly to activate and deactivate the Dual Watch. Press and hold
to activate or deactivate the Triple Watch. Pressing this button briefly again during
execution Triple Watch will change the mode to Dual Watch.
10. SCAN/PRIORITY SCAN Button
Press this button briefly to activate or deactivate the scan mode. For Priority scan press
and hold the SCAN button. The radio will alternatively scan the Priority channel and
the entire VHF Marine Band. Briefly press the scan button to stop the scan.

GX620 INSTRUCTION MANUAL PAGE 9
lCD DIsplaY
1. Transmit Icon 7. Keypad Lock Icon 13. Duplex Icon
2. Receiver Busy Icon 8. Scan Icon 14. Channel Plan Icons
3. Monitor Icon 9. Key Beep Icon 15. Weather channels
4. Dual Watch Icon 10. Priority Channel Icon (US only).
5. Triple Watch Icon 11. High Power Icon
6. Battery Icon 12. Channel Indicator
BasIC RaDIo opeRatIons
The VHF Marine radio service shares channels on a ‘take turns’ basis. This means
that other users and groups may be using any channel. To communicate with other
Marine radios, all units must be switched to the same channel.
1. Switch your radio ON.
2. Ensure you are on the same channel as the other party (see function Mode).
3. To speak, hold the radio upright, about 10 cm from your mouth and press the
PTT button, the ‘TX’ icon will appear in the radio display. Speak normally and
clearly towards the radio. Release the PTT button when you finish speaking. You
will hear messages from other radios that are within range on the same channel.
The Busy icon will appear in the radio display when you receive a message.
1 2 3 4 5 6
12
15
13
7
8
9
11 14
10

PAGE 10 INSTRUCTION MANUAL GX620
RaDIo FeatURes explaIneD
VOLUME LEVEL
To adjust the volume level, use the POWER ON/OFF/VOLUME CONTROL .
To increase the volume turn this control clockwise, to decrease the volume turn this
control counter-clockwise.
FUNCTION (MENU) MODE
The MENU mode allows you to set-up and edit the basic functions. To access the
MENU mode, press the MENU button briefly. Each press of the MENU button
steps the radio sequentially through the different functions. The radio display
indicates the current function, the present setting and associated icon flash. Use the
or button to change the setting. Press the PTT or MENU button or wait for 5
seconds to store your choice. If you do not press any key for 5 seconds your radio
will return to stand-by mode automatically.
CHANNELS
This radio operates on any one of the VHF Marine Band radio channels. To
communicate with other VHF Marine radios, all units must be switched to the same
channel. To change the radio channel, press the or button when the radio is in
stand-by mode.
POWER HIGH/LOW
This feature permits selection of the transmit power level to HIGH (3 Watts) or LOW
(1 Watt). The LCD indicator will display ‘HI’ when it is in the high power mode.
Using low power, the radio will have a lower transmit range but the battery life will
be increased.
Press both the PTT button and the button to select LOW power. The LCD indicator,
‘HI’ will disappear. To return to high power, press again the PTT and button.
SQUELCH LEVEL ADJUSTMENT
This function allows you to adjust the Squelch level of your radio. To change the
Squelch level, press the Squelch/Monitor button briefly. The current Squelch
setting will appear. Use the or button to change the setting. Press the PTT