Specifications

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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)
figure-1
2 Press OK button four times.
LCD display appears as shown right.
(figure-2)
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.
figure-3
● ROM CHECK
5 Wait 4 ~ 5 seconds, then press OK button.
LCD display ROM TEST ROM OK
● RAM CHECK
6 Press OK button.
LCD display ROM TEST ROM OK
RAM TEST