Casio IT-2000D - Manual (Page 148)

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OUTPUT
= 0 Normal
= -1 Parameter error
Note :
Auto Power OFF will work if the power control function is active. For more information about the
power control function refer to "Setting/Acquisition of Status of Power Control Function".
Acquisition of APO Time
Acquires the currently set APO time.
SYNTAX
int SYS_GetApoTime();
INPUT
None
OUTPUT
0 Disable the APO.
1 to 15 Enable the APO in the specified-number of minutes plus 30 seconds.
The actual APO time has an error of +/- 25 seconds.
Note :
Auto Power OFF will work if the power control function is active. For more information about
the power control function refer to "Setting/Acquisition of Status of Power Control Function".
Setting Status of Alarm
This function is used to set the alarm so that Int4Ah will be executed at the specified time. If the set
time precedes the currently set RTC (Real Time Clock) time, the alarm will be valid on and after the
following day. If the setup time is later than the currently set RTC time, the alarm will be valid from
the specified day. To make this possible the user has to set the specified interrupt handling routine to
Int4Ah. If this function is not reset using the SYS_ResetAlarm() function, the alarm will activate
(repeatedly set) for each 24-hour period. Call the SYS_SetPowerOnAlarm() function to turn on the
system at the alarm time specified by this function.