Casio IT-2000W Technical Reference Manual page 94

Press F7
key
1 ABC
disabled
Backlight
ON state
2 ABC
disabled
Backlight
OFF state
3 ABC
enabled
Backlight
ON state
4 ABC
enabled
Backlight
OFF state
5 ABC
temporaril
y disabled
Backlight
ON state
6 ABC
temporaril
y disabled
Backlight
OFF state
Note:
*1: The backlight turns ON or OFF depending on the current light intensity.
*2: ABO event does not occur during ABC. However, if the terminal is left in a dark place,
the APO (Auto Power OFF) function will turn off the backlight.
*3: Since the backlight is presently ON, the normal state can be restored by jumping to step "3".
*4: Cancels the sole condition of "ABC temporarily disabled".
ABO ABC
time-up Enable
2 2
---
1
Ignore Ignore
6
--- Ignore
5
Ignore
4 3
*3
--- Ignore
3
94
ABC Becomes
Disable dark
---
3 or 4
*1
---
3 or 4
*1
2
2
2
2
Becomes
light
Ignore Ignore
Ignore Ignore
---
4
---
3
---
3
*4
---
4
*4