Casio SF-5580RS Service Manual page 14

7 Wait about 45 to 50 seconds.
In the case of SF-5580RS.
LCD display
In the case of SF-5780RS.
LCD display
KEY CHECK
8 Press button.
LCD display
9 After pressing any button, LCD displays a letter or a number correspond to its button.
Check all keys (buttons) in this way except to
COMMUNICATION CHECK
0 Press 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-62 cable as shown in the "5. DATA COMMUNICATIONS" (page
10) in this manual.
C Press 1 button on a unit (A) while pressing 2 button on another unit (B).
Unit (A)'s
LCD display
Unit (B)'s
LCD display
If this OK was displayed, another unit (B) transmitted data to a unit (A).
ROM TEST ROM OK
RAM TEST 1 2 8 K OK
ROM TEST ROM OK
RAM TEST 1 2 8 K OK
2ND
RAM TEST 1 2 8 K OK
KEY TEST
button.
1 COMM 2 ECHO
1 COMM 2 ECHO
1 COMM 2 ECHO OK
2 ECHO OK
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