Yamaha AVC-50 Owner's Manual page 23

Press the PLAY button to begin, or resume, playing a
cassette tape,
. Press the STOP button to stop playing a cassette tape.
Press the REC/PAUSE button together with the PLAY
button to begin recording. Press the REC/PAUSE button
to pause while recording.
Press the REC MUTE button to record a section of
blank tape. Recording will be muted as long as the
button is held down. Four seconds after it is released,
the deck will enter the Rec Pause mode.
A graphic equalizer may also be connected to the AVO-50
when the AVC-50 is driving the front speakers (or in a
2-speaker system).
AVC-50 driving front speakers, and REAR terminals
connecien to a second emplifier for rear speaker drive:
4, Disconnect FRONT and MAIN IN terminals by removing
the short bars.
2 Connect MAIN IN terminals to OUTPUT terminals
on graphic equalizer.
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