Panasonic MDF-DU900V Operating Instructions Manual page 46

●Each setting
・Brightness(Active):
Brightness of LCD touch panel of the usual state. Adjust Brightness(Active) slide bar or input set value
into the Brightness(Active) input box. Settable range: 50～100, factory setting: 80.
・Sleep:
The function is that the rightness of LCD touch panel is lowered to save electricity, when there is no key
operation during set time.
By holding the Sleep slide key and sliding it right, the Sleep function is turned to ON. Input the set value
of time to change the Sleep state. Settable range: 1 minute～5 minutes, factory setting: 2 minutes.
Note: It is not possible to operate any key in the Sleep state. By touching the LCD touch panel, the Sleep
state is released and the LCD touch panel returns to the usual state. Under this condition, key operations
are available.
・Brightness(Sleep):
Brightness of LCD touch panel of the Sleep state. Adjust Brightness(Sleep) slide bar or input set value
into the Brightness(Sleep) input box. Settable range: 0～50, factory setting: 20.
5. Press Top key to return to the Top screen.
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