Casio SF-4300A - Hard Check

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9. HARD CHECK
3ON
41
51
62
73
TEST 2 MEMORY
MENU 3 KEY
4 BUZZER
1 DISP 5 EXT
00:00:00
Turn the slide (battery) switch on
while short the short pad (T16,
T37).
2
Check if timer is
working.
1. Turn the slide (battery) switch
off.
2. Push the P-button.
1
No. OPERATION DISPLAY NOTE
No display
DISP 4 RVS.
1 WHITE 5 FRAME
2 BLACK 6 DOT 4
3 CHECK. 7 TIME
Display check
All dots display
Checker display