Casio SF-5590SY Service Manual & Parts List page 16

7 Wait about 45 ~ 50 seconds.
In case of SF-5590SY,
LCD display
In case of SF-5790SY,
LCD display
, or
LCD display
In case of SF-5990SY,
LCD display
KEY CHECK
8 Press OK button.
LCD display
9 Press any button. For example, press TEL button.
LCD display
After pressing any button, LCD displays a letter or a number correspond to its button.
Check all keys (buttons) in this way except to OK button.
COMMUNICATION CHECK
0 Press OK button.
LCD display
A Prepare another unit, then execute the procedure described above (1 ~ 0).
Another unit's
LCD display
B Connect two units using the SB-63 cable as shown by the item 3. DATA COMMUNICATIONS
(page 12) in this manual.
ROM TEST ROM OK
RAM TEST 1 2 8 K OK
ROM TEST ROM OK
RAM TEST 1 2 8 K OK
2N D
RAM TEST 1 2 8 K OK
ROM TEST ROM OK
RAM TEST 2 5 6 K OK
ROM TEST ROM OK
RAM TEST 5 1 2 K OK
KEY TEST
KEY TEST
TEL
1 COMM 2 ECHO
1 COMM 2 ECHO
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