Casio IT-9000 Series Service Manual page 42

[3] EEPROM
No. Operation
Select "[3].EEPROM" from
MENU-1 screen.
1
[4] Key-1
No. Operation
Select "[4].Key-1" from
MENU-1 screen.
1
Display
Display
– 35 –
IT-9000
Test Details
The increment data is written to,
read from and then compared
with the maximum possible
EEPROM area.
If OK:
The screen returns to the menu
screen.
If any problem:
The failed addresses, correct
data and wrong data are
displayed.
Press the "ENT" key to return to
the menu screen.
Test Details
The key statuses are displayed.
The pressed key appears
inverted on the screen.
Press all keys in any order.
When all key have been
successfully pressed, the test
result is judged as OK and the
screen returns to the menu
screen.
[ NOTE ]
• When testing the "Power"
key, press it for a while.
• Pressing the "ENT" key
twice in the middle stops the
test and returns the screen
to the menu screen. In this
case, test result is judged as
Failure.