GME GX620 User Manual
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INSTRUCTION MANUAL
GX620
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.
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.