Casio DT-X200 Service Manual page 38

13. Charge LED (USB)
No.
Set DT-X200/DT-X8 to
and Charging Unit" and connect
the USB cable.
Note:
For testing, use a battery pack
not fully charged.
1
"
Select
from All Test MENU-2 screen.
14. Speaker
No.
"
Select
Test MENU-2 screen.
1
15. Key Backlight
No.
"
Select
All Test MENU-2 screen.
Press the "Enter" key.
Press the "Enter" key.
1
Operation
"
USB
[7].Charge LED(USB)"
Operation
[8].Speaker" from All
Operation
[9].Key Backlight" from
Display
Display
Display
– 35 –
DT-X200/DT-X8
Test Details
Check that the Indicator 1 (the
left side LED) lights in orange or
yellow.
The judgment screen appears.
If LED lights correctly (OK):
Press the "1" key.
If LED does not light
correctly(Failure):
Press the "0" key.
Pressing the "1" or "0" key returns
you to the Menu screen.
Test Details
Speaker mode starts and a tone (3
kHz, 0.3 sec. duration) is emitted
in three volume levels "small",
"medium" and "large" in that order.
This loop is repeated two times.
Then buzzer mode starts and
a buzzer tone (10 kHz, 0.3 sec.
duration) is emitted in three
volume levels "small", "medium"
and "large" in that order. This loop
is repeated two times.
The judgment screen appears.
If each tone is emitted correctly (OK):
Press the "1" key.
If it is not emitted correctly (Failure):
Press the "0" key.
Pressing the "1" or "0" key returns
you to the Menu screen.
Test Details
When the "Enter" key is pressed,
the key backlight turns on.
When the same key is pressed
again, it turns off .
If OK:
Press the "1" key.
If any problem:
Press the "0" key.
Pressing the "1" or "0" key returns
you to the Menu screen.