N
Y
"WANG50.bmp" pattern,
with the VrefPWM value
(hexadecimal) at the
bottom of the LCD.
Increase
VrefPWM?
Y
N
VrefPWM = MAX (90h), VrefPWM +
2
Current VrefPWM value
(hexadecimal) at the bottom of the
Y
N
VrefPWM = MIN (54h), VrefPWM - 2
Current VrefPWM value
(hexadecimal) at the bottom of the
LCD.
Writing of the VrefPWM value
to the EEPROM
Reading of the VrefPWM
value from the EEPROM
N
Y
Initial VrefPWM value: 72h
(3.6 inch model)
VrefPWM register setting
Press [OK].
Press [->].
Press [<-].
VrefPWM= 16
START
From 01h to 1Fh
(hexadecimal)?
Adjustment
end?
Decrease VrefPWM?
([<-] key?)
END
<3-3. Adjustment / Settings, (5) and (6)>
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