Canon MP970 Service Manual page 45

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