Icom IC-F25SR Instruction Manual

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82PANEL DESCRIPTION2‘‘ Programmable function keysThe desired key function can be assigned to [Upper] and [Lower]in following way.q Turn power OFF in advance.w Rotate [CH selector] to select channel 16.e Rotate [VOL] to turn power ON while pushing and holding thedesired key, [Upper] or [Lower], to be assigned.• The beep is emitted depending on the selected function as below.r Turn power OFF.t Repeat steps e and r until the desired key function is assigned.NULL KEYNo function.SMART RING/RINGER KEY➥ Push to send a Smart-Ring call.➥ Push and hold for 1 sec. to send a Call-Ring.MONITOR KEY➥ Push to mute the CTCSS (or DTCS) squelch mute.➥ Push and hold for 1 sec. to release the CTCSS (or DTCS)squelch mute.➥ Open any squelch/deactivate any mute while pushing and hold-ing this key.VOICE SCRAMBLER FUNCTION KEY➥ Push to turn the voice scrambler function OFF.➥ Push and hold for 1 sec. to turn the voice scrambler function ON.[Smart Ring/Ringer][Moni][Scrambler][Null]1 high beep is emitted.2 high beeps are emitted.3 high beeps are emitted.1 high beep is emitted for 1 sec.