Casio IT-2000W Technical Reference Manual page 165

Setting/Acquisition of Reason Mask for Reboot
To acquire the reboot request reason, enable or disable "mounting on I/O Box" or use of the CI
signal for boot-up.
SYNTAX
int SYS_GetOnEventMask();
INPUT
None
OUTPUT
b0 = 0
1
b1 = 0
1
SYNTAX
int SYS_SetOnEventMask(int nMask);
INPUT
nMask = Setting the reboot reason mask
OUTPUT
= 0
= -1
Enable use of ring signal
Disable use of ring signal
Enable use of "mounting on I/O Box"
Disable use of "mounting on I/O Box"
b0 = 0 Enable use of ring signal
1 Disable use of ring signal
b1 = 0 Enable use of "mounting on I/O Box"
1 Disable use of "mounting on I/O Box"
Normal
Parameter error
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