39Basic OperationMiscellaneous SettingsLocking keys and switchesTo prevent accidental frequency change during operation, keys, switches and Oexcept p switch, T, v, P can be locked.1 Press P to lock the keys and switches.l appears on the LCD.Remark To unlock a key or switch, press P again.l disappears from the LCD.Tip• You can also lock the O and p switch by selecting the Set mode option [8 CONFIG] [9 LOCK].Restoring to Defaults (All Reset)You can restore all transceiver settings and memory content, such as memory channels,to the defaults.1 Press P while pressing %, D, and H.The transceiver is turned on, followed by beep.When you hear the beep, release the keys.2 When “ALL RESET PUSH F KEY!” appears on theLCD, press F.A beep sounds and the callsign input screen appearson the LCD.3 Input a callsign for your transceiver.Input the callsign with the numeric keys.4 Press p to save your callsign and the screen returns tothe frequency display.Remark To cancel the All Reset function, press a key or switchother than F.CautionWhen the All Reset function is performed, all data such as memory channels registered in the memoryis deleted. Be sure to write it down on paper or back up the data on the microSD memory card (Seepages 137 to 138).TipTo return only the Set Mode option settings to default, press P while pressing % and V.
