Casio DT-940 Service Manual page 11

REMOVING THE BACKUP LITHIUM BATTERY
1. Open the backup battery cover and use a ballpoint pen or other
sharp object to remove the backup battery (lithium battery).
2. Close the backup battery cover and tighten the screws.
2.5 RESET OPERATION
It is the operation done when the unit doesn't work normally due to an operational error and other malfunctions.
"Reset" is equivalent to "reboot" for PC.
Reset operation erases the data which have not been saved in the middle of input or editing.
But the data which has already been saved on the memory are basically remains.
Reset will return the system menu settings to default value.
Procedure
(1) Press the reset button (hole with the imprint of RESET) on the back side of Handheld terminal with a
pointed object such as a clip.
(2) Reset operation starts as soon as the reset button is pressed.
System menu screen appears after showing the boot-up screen for a few seconds as far as there is no
malfunction in memory. The application program starts up when the automatic application start is set.
There is no change in data or various settings that had been saved in the memory before the reset.
Reset Start
Reset Start
Bleep
DRV TO FORMAT
OK to format
A DRIVE ?
1 : YES 2 : NO
Bleep
<< OS VERSION >>
KCG OS: 2.00
FROM OS: 3.00
PATCH OS: 0.00
SYSTEM
1:EXECUTE AP
2:SET MODE
3:DATE/TIME
4:TRANSMIT
5:VERSION
The application program
starts up when the automatic
application start is set.
― 9 ―
A DRIVE FORMAT
Press to select "1" or "2",
then press "ENT".
Versions displayed here may
differ in accordance with
product lot.
System menus are displayed
on screen.
Turning the power on with
pressing S and . displays
the system menu.