Yamaha Disklavier MX-100A Service Manual page 32

[TEST 5]
Turns ON the Damper Pedal ten times for one second each time. Tests the operation of the Damper
Pedal (for noise, etc.)
If noise is generated:
[TEST 6]
Demonstration performance. Comprehensively tests all units in the playback system.
Re-confirms [TEST 1 ] through [TEST 5] .
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