Page 44 FT DX 3000 O peraTing M anualinTerFerence rejecTiOnp.bAcK (A udio plAybAcK) FRoM vFo-A ReceiveRWhen Audio Playback is engaged by the operator, the FTDX 3000 begins automatically recording the last 15 seconds ofincoming receiver audio on VFO-A. Recording is controlled with the supplied FH-2 Remote Control Keypad, pluggedinto the rear panel REMOTE jack. This capability is especially useful for confirming a callsign that may have beendifficult to copy due to noise or QRM, etc.Recordingr Press and hold in the FH-2 [P/B] key for twoseconds to initiate recording. The “REC” icon willappear in the display to confirm that recording is inprogress.r Press the FH-2 [P/B] key briefly to halt recording;the “REC” icon will go out.Playbackr Press the FH-2 [P/B] key briefly, after recordinghas been halted, to begin playback of the recordedaudio; the “PLAY” icon will appear in the displayto confirm that playback is in progress. The last 15seconds of audio will be heard in the speaker orheadphones. If you do not intervene, the entire 15seconds will be played back, repeating endlessly.r To halt playback at any time, just press the [P/B]key briefly again. The next time you press the [P/B]key, it will pick up the playback where you left off.A dvice :You may adjust the playback level of the recording withthe main [AF] knob.Stop15 SecondsStart