Operation Check - Casio SF-5590SY Service Manual & Parts List

4. OPERATION CHECK

REMARKS:
1. Executing this check, the data stored in this Digital Diary are deleted. So if you won't delete
this important data, you should store its data in another Digital Diary (SF-5590SY/5790SY/
5990SY) referring to the item 3. Data communications in this manual.
2. You cannot put out the light from EL while executing this check.
LCD CHECK
1 Press RESET button on the rear panel while press-
ing OK button on the front panel.
LCD display appears as shown right.
(figure-1)
2 Press OK button four times.
LCD display appears as shown right.
(figure-2)
3 Then press OK button.
LCD display appears as shown right.
(figure-3)
4 Press OK button again.
LCD display appears as shown in the figure-1 again.
ROM CHECK
5 Wait 4 ~ 5 seconds, then press OK button.
LCD display
RAM CHECK
6 Press OK button.
LCD display
ROM TEST ROM OK
ROM TEST ROM OK
RAM TEST
— 15 —
figure-1
figure-2
figure-3