New2001n Backlight functionThis function lights the function display and keys, and it isconvenient for a nighttime operation. The backlight bright-ness can be adjusted as follows.➥ After pushing [F], push [3• DIM ] then rotate [SELECTOR]to adjust the brightness of the display and key backlight.Then push [ENT].• The backlight is adjustable in 7 levels and OFF.25W INTTAGBACKLIGHT7PLEASURERotateSELECTOR4 For DSC operationWhen the backlight blinks during DSC operation (receivinga call, [DISTRESS] is pushed and held, etc.), the backlightlevel 7 (Max.) and OFF (Min.) are repeated alternately re-gardless of above setting.After the blinking stops, the backlight selects level “4” if thebacklight level has been set to OFF or 1 to 3.• If the backlight level is set to 4 to 7, the setting level holds after theblinking stops.n AquaQuake water draining functionThe AquaQuake water draining function clears water awayfrom the speaker grill. Without this function, water may muf-fle the sound coming from the speaker.The IC-GM651 emits a low beep tone when this function isactivated.➥ While pushing and holding [H/L], turn power ON to acti-vate the AquaQuake function.• You should continue to push and hold [H/L] to drain water awayfrom the speaker grill after turning power ON.• “Aqua Quake” is displayed on the LCD when the AquaQuakefunction activates.• A low beep tone sounds while [H/L] is pushed and held to drainwater, regardless of [VOL] control setting.• The transceiver never accepts a key operation while the Aqua-Quake function is activated.• After releasing [H/L], the transceiver returns to the normal op-eration condition.The AquaQuake function should be activated for about 5sec. to sufficiently clear water away from the speaker grill.133BASIC OPERATION12345678910111213141516
