Kenwood TM-481A Instruction Manual

Also see for TM-281A: Instruction manual Service manual Instruction manual Service manual

Contents

5211AUXILIARY FUNCTIONSAPO (AUTO POWER OFF)The transceiver switches OFF automatically if no keys orcontrols are pressed or adjusted for the selected duration.One minute before the transceiver switches OFF, warningbeeps sound for a few seconds and “APO” blinks.You can select the APO time from OFF (disable), 30, 60,90, 120, or 180 minutes.1 Press [F], [MENU] and turn the Tuning control toselect Menu No. 18 (APO).2 Press [MENU] and turn the Tuning control to selectthe APO time from OFF (default), 30, 60, 90, 120, or180 minutes.3 Press [MENU] to store the setting or any other key tocancel.4 Press any key other than [MENU] to exit Menu Mode.Note:◆ APO continues to count even while the transceiver is scanning.◆ The APO timer starts counting down the time when no keypresses, no control adjustments, and no PC control commandsequences are detected.◆ The APO warning beep sounds even if Menu No. 24 (BP){page 53} is set to “OFF” or the volume level is 0.BEAT SHIFTSince the transceiver uses a microprocessor to controlvarious functions of the transceiver, the CPU clockoscillator’s harmonics or image may appear on somespots of the reception frequencies. In this case, turn theBeat Shift function ON.1 Press [F], [MENU] and turn the Tuning control toselect Menu No. 25 (BS).2 Press [MENU] and turn the Tuning control to select“ON” or “OFF” (default).3 Press [MENU] to store the setting or any other key tocancel.4 Press any key other than [MENU] to exit Menu Mode.S-METER SQUELCHS-meter Squelch causes the squelch to open only whena signal with a strength greater than or the same as theS-meter setting is received. This function relieves youfrom constantly resetting the squelch when receivingweak stations you have no interest in.