Kenwood TM-621A Instruction Manual

Also see for TM-621A: Instruction manual Instruction manual

4-2-4. A.B.C. (Automatic Band Change)The A.B.C. function allows you to exchange the contentsof SUB band to the MAIN band automatically whenever asignal is received in the SUB band and SUB squelch is open.1. Press the A.B.C. key.The A.B.C. indicator will A.B.C.turn on displayed in the cILCD display.(44805 FFesu02. As soon as a signal isreceived in the SUB band,exchange the bands. * =:lf press the PTT switch,A.B.C. function is released.If does not press the PTTswitch 3 seconds after thesignal goes off, the MAINband return to SUB band.Caution:* The Tuning controls are not effective during this exchange.4-2-5. BEEP TONEIf you would not like audio confirmation when a function isactivated, turn the POWER switch OFF. Then press andhold the MUTE key and turn ON the power switch, thenrelease the mute key.Repeating this procedure will turn the function back ON.The transceiver supplies audio confirmation according tothe accompanying chart.Key operation |CALL, REV, TONE, CTCSS, F, SCAN, L.OUT, AL,A.B.C., MUTE, DIM:OFF144 MHz MAIN BAND, SUB BAND OFF, LOWPOWER ONSCAN STOP|523.25 | VFO MODE SELECTION687.33 | SIMPLEX622.26 + OFFSETMR MODE SELECTIONTo complete the MEMORY EntryTo complete the CTCSS Frequency selection220 MHz selection (TM-621A), 430 MHz selection(TM-721A/721E), SUB BAND ON, HI POWER ONCALL, REV, TONE, CTCSS, SCAN, L.OUT, AL,A.B.C., MUTE ONMEMORY CHANNEL, Tone frequency, Frequency step880.00 F mode, Split channel ONBand change during A.B.C.1396.91 Key operation without effect