Operation Check - Casio DX-500TR Service Manual & Parts List

2. OPERATION CHECK

Note: Performing this check, the data saved in the unit will be deleted.
Therefore, save the data to another unit referring to " 3. DATA TRANSFER"
( page 6 of this Service Manual) before performing this check.
KEY OPERATION
No.
Turn the unit off.
1
While holding down
button, press
RESET button. Then
2
stop to press RESET
button. Next, stop to
hold down
button.
Press
button after 1 ~ 2
3
seconds.
Press
4
button after 1 ~ 2
seconds.
Press
5
button after 1 ~ 2
seconds.
Press
6
button after 1 ~ 2
seconds.
LCD DISPLAY
No display
All display
— 4 —
NOTES
At the time of stopping
to press RESET button,
buzzer sound is
emitted.
Pressing
button, buzzer sound
is emitted.
Pressing
button, buzzer sound
is emitted.
Pressing
button, buzzer sound
is emitted.
Pressing
button, buzzer sound
is emitted.