Tune Control - GEM Real Piano RP90 Owner's Manual

1. Tune Control

This function allows the entire instrument to be tuned to match another
instrument which may be slightly out of tune.
Pressing the GENERAL button for the first time activates the Tune Control
display:
The display refers to a standard reference for the pitch of concert A = 440
Hz. The available Tuning range is from 427.5 Hz to 452.5 Hz in steps of
0.5 Hertz at a time.
Use the DATA + button to raise the tuning value:
Use the DATA – button to lower it:
1 TUNE CONTROL
440.0 Hz.
Holding down either the DATA + or – button changes the value continually
until you release the button.
The Tune Control value remains in memory until changed again, or until
you turn the instrument off. When you turn on the instrument, the Tune
Control value will return to the standard value (A = 440).
Reset
To restore the Tune Control value to the standard setting in a single step,
press both DATA + and – buttons together.
1 TUNE CONTROL
440.0 Hz.
1 TUNE CONTROL
440.5 Hz.
1 TUNE CONTROL
...
439.5 Hz.
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