Casio IT-9000 Series Service Manual page 47

[6] Operation & Charge LED
No
Select "[6].Operation LED & Charge LED" from MENU-2 screen.
Each time the "ENT" key is pressed, the lighting pattern of the indicators and the display
pattern of the LCD successively change as follows.
After 5 kinds of lighting and display patterns have appeared, the manual judgment screen is
displayed.
1
If lighting and display are correct (OK): Press the "1" key to return to the menu screen.
If lighting or display is not correct (Failure): Press the "0" key to return to the menu
screen.
Indicators
Operation/Test Details
Display
Indicators
Indicators
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IT-9000
Indicators
Indicators