Mpx70/Mpx1Z; Dgps/Dkvpro/Dkvmarkiii (The Dga1 Has No Switch Box.); Mp80/80T/100 (To 95/7) - Yamaha Disklavier MX100A Product Handbook

MPX70/MPX1Z

The switch box is mounted on the treble side under the keybed.
Front: Main power switch, silent volume, headphone jacks, reverb depth
Side: Footswitch jack (MPX1Z only; not provided on the MPX70)
Rear: AUX IN, AUX OUT

DGPS/DKVPRO/DKVMARKIII (The DGA1 has no switch box.)

The switch box is mounted on the treble side under the keybed.
Front: Silent switch, silent volume, headphone jacks, reverb depth
Rear: AUX IN, AUX OUT (on DGPS and DKVPRO only)

MP80/80T/100 (to 95/7)

Mounted on the treble side under the keybed.
Front: Main power switch, silent volume, headphone jacks, MIDI OUT
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