Technics SL-B20 Operating Instructions Manual page 5

Placement
Place it in a well ventilated location.
N=
ob @
N
Put a record on the turntable mat.
. If the cartridge has a detachable stylus protector,
remove it.
. Release the arm clamp.
. Set the speed selector to the correct speed. (Fig. 8)
. Set the cueing control to the '¥"' position.
(Fig. 9)
. Move the tonearm over the record.
The strobe-illuminator/pilot lamp will light up and the
platter will rotate.
Set the cueing control to the '"'W"' position. (Fig. 10)
The tonearm will descend and play will begin.
At the end of the record, the tonearm will automatically
return to the arm rest and the turntable will stop.
Stopping the turntable
Push the stop:switch. (Fig. 11)
The tonearm will return to the arm rest and the turntable will
stop.
Set the cueing control to the ""W" position. (Refer to Fig. 9.)
This will make the tonearm rise off the record.
holes
Put the 45-rom adaptor over the center spindle. (Fig. 12)
Set the speed selector to the "45" position. (Fig. 13)
@ if the unit is not to be used for some time
Secure the tonearm with the arm clamp.
Close the dust cover.
Adjustments
8 Arm-lift height adjustment
(Fig. 16)
(Remove the rubber cap.)
has finished,
—turn counterclockwise.
—turn clockwise.
indicate correct rotational speed.
rotates, adjust while playing a record.
Note:
Strobe dot pattern