Casio SF-7900E Service Manual & Parts List page 22

LOOP BACK
NOW EXECUTING!
CASIO 1993. 11. 09
Break display (Broken transmission)
TRANS BREAK!
CASIO 1993. 11. 09
7. Others
1) When power is off after presetting an alarm time, the unit automatically powered on at the alarm
time. However, the display is not reserved in this case.
2) When executing memory sum check, execute the RAM write check before.
3) To release diagnostic mode, press RESET button.
4) The display contrast can be changed by the contrast dial.
LOOP BACK
COMPLETE!
CASIO 1993. 11. 09
Error display
TRANS ERROR!
CASIO 1993. 11. 09
— 20 —