Backlight brightness of the LCD display and keypads can be set by this function, totally 7 levels of
brightness and OFF optional.
1. Press [MENU] key, the menu interface is displayed.
2. Press [▲]\[▼] or rotate [DIAL] knob to select "Configuration", then press [OK], the "CONFIGURATION"
screen is displayed.
3. Press [▲]\[▼] or rotate [DIAL] knob to select "Backlight", then press [OK], the "BACKLIGHT" screen is
displayed.
4. Press [▲]\[▼] or rotate [DIAL] knob to adjust the backlight brightness.
5. Press [OK] to confirm.
·Press softkey [
] to return to main interface.
■ Display Contrast
LCD display contrast can be set by this function, totally 8 levels optional.
1. Press [MENU] key, the menu interface is displayed.
2. Press [▲]\[▼] or rotate [DIAL] knob to select "Configuration", then press [OK], the "CONFIGURATION"
screen is displayed.
3. Press [▲]\[▼] or rotate [DIAL] knob to select "Display Contrast", then press [OK], the "CONTRAST"
screen is displayed.
4. Press [▲]\[▼] or rotate [DIAL] knob to adjust the display contrast.
5. Press [OK] to confirm.
·Press softkey [
] to return to main interface.
■ Vibration Water Draining Function
Vibration helps drain water away from the speaker housing (water that might otherwise muffle the sound
coming from the speaker). The transceiver makes a vibrating noise when this function is being used.
NOTE:Do not use the vibrationwater draining function when connecting an external speaker.
1. Press [◄]\[►] to display [
·"VIB WATER" interface is displayed.
2. Press and hold softkey [
3. Release softkey [
■ Microphone Lock Function
The microphone lock function electrically locks all keys except for [PTT] on the supplied microphone. This
prevents accidental channel changes and function access.
1. Press and hold [DIAL] knob for one second to power OFF.
2. While pressing and holding [H/L] on the microphone, power ON to toggle the microphone lock function
].
],the transceiver emits a low sound for draining.
] to turn vibrationwater draining function OFF.
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