Casio DT-X8 Series Software Manual page 123

2.7.4 Controls on Power Key
Time period after pressing down the Power key
It takes approximately one second for the system to recognize turning on or turning off the power
after the Power key is pressed down.
Disable Power key after turning on the power
After turning on the power, the Power key is set disabled for a certain period of time. This
prevents turning off the power while various drivers are being loaded. This time period can be set
with System Library.
The functions of the System Library relevant to the "Disable Power key after turning on the
power" are as follows.
SysSetOffMaskTime
SysGetOffMaskTime : Retrieves time period set for disabling turning off the power.
Disable Power key after FlashDisk is accessed
After the FlashDisk is accessed, the Power key will be set disabled for a certain period of time.
This prevents turning off the power while the FlashDisk is being accessed. This time period can
be set with the System Library.
The functions of the System Library relevant to the "Disable Power key after FlashDisk is
accessed" are as follows.
SysSetStorageOffMaskTime
SysGetStorageOffMaskTime : Retrieves time period set for disabling turning off the power after
Disable turning off the power
It is possible to disable turning off the power with the Power key using the System Library. This
feature can be applicable to the cases below.
•
Need to disable turning off the power with the Power key for a certain period of time.
•
If application must be closed before the system turns off the power.
If the Power key is pressed down while the Power key is set disabled, the system broadcasts a
message, WM_POWERBROADCAST (PBT_APMSUSPEND), to application software without
turning off the power. The message is issued only once when the Power key is pressed for the first
after the "Disable turning off the power" has been set enabled.
The functions of the System Library relevant to the "Disable turning off the power" are as
follows.
SysDisablePowerOff : Sets up "Disable" for turning off the power on the terminal.
SysEnablePowerOff
SysGetPowerOff
: Sets up a period of time for disabling turning off the power.
: Sets up a period of time for disabling turning off the power after
the use of storage.
the use of storage.
: Sets up "Enable" or "Disable" for turning off the power on the terminal.
: Retrieves "Enable" or "Disable" status for turning off the power on the
terminal.
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