Casio DT-X100 Service Manual page 68

6-4. Backlight Intensity
The backlight brightness varies by LCD.
Set the data correcting this variation to Main PCB.
Note:
If this adjustment is not conducted, a typical value preset in DT-X100 will be applied.
329802
No Operation
Start up DiagPY055.
Select [Bright control].
1
Press the ">" key.
2
329821 or 329811
Display
— 65 —
DT-X100
Protection
Rubber
LCD surface of DT-X100
Test Details
A number below 9 is displayed in blue.
Set a luminance meter onto LCD of DT-
X100. Adjust the reading to be 175-185
by using the "UP" and "DOWN" keys.
The step width is changeable as
shown below.
"1" key  1 step
"5" key  5 steps (default)
Set a luminance meter onto LCD of
DT-X100. Adjust the reading to be the
following value by using the "UP" and
"DOWN" keys.
- "35-45"
The step width is changeable as
shown below.
"1" key  1 step
"5" key  5 steps (default)
After the adjustment, press the "ENT"
key. This saves the setting and returns
you to the Menu screen.