Yamaha TT-S303 Manual De Instrucciones página 18

Playback
 Starting playback
CAUTION

If you play back a record without sufficiently lowering the volume of your
amplifier, a loud sound might occur when the tip of the stylus contacts the
record. This can cause hearing loss and might damage your amplifier and
speaker, so be sure to lower the volume of your amplifier.
1
Open the dust cover, and place the record on the platter.
If you're playing a 45 rpm record, use the supplied 45 rpm adaptor.
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2
Press 33/45 (speed) to select the appropriate speed for the record.
: 33 1/3 rpm
3
Press PLAY/STOP (play/stop).
The platter rotates.
: 45 rpm