(Subfunctions) Direct Source Selector (DSS),
tape selector (METAL/CrO2/NORMAL),
one-touch music search, semi-automatic record muting,
timer standby mechanism, FM muting, microphone mixing
(Indicators) POWER (red LED), MIC REC
(green LED), PHONO/AUX (green LED),
TAPE PLAY (green LED), FM (green LED),
AM (green LED), REC (red LED),
REC PAUSE (red LED), MUSIC SEARCH (green LED X 2),
level meter (5 point red LED), TUNING (green LED),
STEREO (red LED)