Yamaha YPR-50 - Manual (Page 19)

Lowering the pitch:
The pitch can be lowered in one-step increments over the TUNING key range of G3 - F 4. The LEDs indicate
the amount of detuning from normal pitch (see below).
Raising the pitch:
The pitch can be raised in one-step increments over the TUNING key range of G3 - F 4. The LEDs indicate
the amount of detuning from normal pitch (see below).
Restoring the normal pitch:
Tuning LED indications:
n The Tuning setting cannot be changed when the Pianist feature is on.
LEDs
50
0
1 ~ 49
Tuning value
-49 ~ -1
-50
Low (flat)
Normal (in tune)
High (sharp)
+
Simultaneously hold down these three keys and press one of the keys in the TUNING section to restore the pitch
to normal (0).
Any key within G3 ~ F 4
+
Hold down these keys and press one of the keys in the TUNING section to raise the pitch.
Any key within G3 ~ F 4
+
Hold down these keys and press one of the keys in the TUNING section to lower the pitch.
Any key within G3 ~ F 4
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YPR-50
ypr50.qx 10/7/99 11:00 AM Page 19