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Setting ABO Time
The ABO (Auto Backlight OFF) function is used to automatically turn off the backlight if neither
key entry nor touch-panel entry is permitted for a certain period of time. This function is used to
set the ABO time. Enable ABO by selecting a number between 1 and 15, which corresponds to
a period of between 20 seconds and 5 minutes.
SYNTAX
int SYS_SetAboTime(int nValue);
INPUT
nValue = ABO time
0 Not activate ABO
1 to 15 Activates ABO in specified number x 20 seconds.
OUTPUT
= 0 Normal
= -1 Parameter error
= -3 VxD not registered (for IT-2000W only)
Note:
This function will be implemented by a software timer. Therefore, the period until the backlight is
actually turned off has an error of +/- 10 % associated with it.
Acquisition of ABO Time
This function is used to read the ABO setting.
SYNTAX
int SYS_GetAboTime();
INPUT
None
OUTPUT
= 0 Not activate ABO
= 1 to 15 ABO time in units of 20 seconds
= - 2 No response from KBC
= - 3 VxD not registered (for IT-2000W only)