Adjusting The Master Volume; Adjusting The Contrast Of The Display; Using The Headphones - Yamaha PSR-S670 Owner's Manual

Adjusting the Master Volume

To adjust the volume of the entire keyboard sound, use the [MASTER VOLUME] dial while playing the keyboard.
CAUTION
Do not use the instrument at high volume for long periods of time. Doing so may cause hearing loss.

Adjusting the Contrast of the Display

You can adjust the contrast of the display by turning the [LCD CONTRAST] knob on the rear panel.

Using the Headphones

Connect a pair of headphones to the [PHONES] jack on the rear panel.
CAUTION
Do not listen with the headphones at high volume for long periods of time. Doing so may cause hearing loss.
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PSR-S670 Owner's Manual
Standard stereo
phone plug