37123456789101112131415AUXILIARY FUNCTIONSTX INHIBITYou can disable the TX function to prevent unauthorizedindividuals from transmitting, or to eliminate the risk ofaccidentally transmitting by yourself.Access Menu No. 12 (TXS) to switch TX Inhibit ON orOFF (default).• Pressing the PTT switch after switching TX Inhibit ONcauses the transceiver to generate an error beep anddisplay “TXSTOP”.TRANSCEIVER LOCKThis function prevents unauthorized individuals fromchanging the transceiver settings.Press [F] (1 s) to switch the function ON (or OFF).• A key icon appears when the function is ON.You may want to use the Tuning control when inTransceiver Lock mode. Access Menu No. 9 (ENC) toswitch the Tuning Control Enable function ON or OFF(default).AUTOMATIC POWER OFF (APO)Automatic Power Off is a background function thatmonitors whether any keys have been pressed, orwhether any control has been turned. After 1 hourpasses with no operations, APO turns OFF the power.However, 1 minute before the power turns OFF, “APO”blinks and a series of warning tones sound.Access Menu No. 5 (APO) to switch the function ON(default) or OFF.Note:◆If the squelch opens or any settings are changed during the 1 hourperiod while APO is ON, the timer resets. When the squelch closesor you stop changing the settings, the timer begins counting againfrom 0.◆The APO timer does not operate while Tone Alert or any scan otherthan Priority Scan is being used.BATTERY SAVERBattery Saver becomes active when the squelch isclosed and no key is pressed for more than 10 seconds.This function becomes passive whenever the squelch isopened or any key is pressed.Access Menu No. 4 (SAV) to switch the function ON(default) or OFF.1s