Icom IC-M506 Instruction Manual

Also see for IC-M506: Specifications Instruction manual Instruction manual Service manual Service manual

Contents

154 BASIC OPERATIONAdjusting the display back-Nlight levelThe function display and keys can be backlit for better visibil-ity under low light conditions.The backlight is adjustable in 7 levels and OFF.Depending on the preprogramming, the adjustment methoddiffers, as described below.Push [BKLT] to show the backlight adjustment screen. Ro-±tate Dial to adjust the brightness of the LCD and key back-light, and then, push [ENT]. s)FNOKEYOPERATIONISPERFORMEDFORABOUTSECONDS THETRANSCEIVERsets the selected backlight level, and returns to the normal mode.AquaQuake water drainingNfunctionThe AquaQuake water draining function clears water awayfrom the speaker grill. Without this function, water may mufflethe sound coming from the speaker. A buzzing sound is heardwhen this function is activated.q Push [MENU].w Rotate Dial or push [Ω]/[≈] to select “AQUA QUAKE,” iconand then push the soft key below the icon.While holding down [AQUA], the AquaQuake function is±activated to clear water away from the speaker grill. s7HILEHOLDINGDOWN;!15!= ALOWBUZZINGSOUNDSTODRAINWA-ter, regardless of the volume level setting. s4HE TRANSCEIVER KEYS EXCEPT ;$)342%33= ARE DISABLED WHILEthe AquaQuake function is activated.When the AquaQuake function is activated.