Rockwell Automation 2727-MRSDK MobileView Terminals Software Development Kit User Manual - Manual (Page 28)

Publication 2727-UM004B-EN-P - February 2004
4-4 SDK (Software Development Kit) for MobileView Terminals
KtpSetContrast
KtpSwitchBacklight
KtpScreenSaverTimeOutMin
Table 4.6
Declaration:
Visual C: UINT8 KtpSetContrast(/*[in]*/UINT8 u8_Contrast);
Visual Basic: KtpSetContrast(ByVal contrast As Byte) As Byte
Description: This method sets the contrast of the LC display on the device.
Arguments 0 to 31, 0 = min, 31 = max
(MobileView: 0 to 63,
0 = min, 63 = max)
Table 4.7
Declaration:
Visual C: UINT8 KtpSwitchBacklight(/*[in]*/BacklightStat backLight);
Visual Basic: KtpSwitchBacklight(ByVal backlight As Integer) As Byte
Description: Turns on/off the backlight of the LC display on the device.
Arguments BACKLIGHT_ON, BACKLIGHT_OFF
Table 4.8
Declaration:
Visual C: UINT8 SetScreenSaverTimeOutMin(/*[in]*/UINT8 u8_ScreenSaverTO);
Visual Basic: KtpSetScreenSaverTimeOutMin(ByVal sreenSaverTO As Byte) As Byte
Description: Sets the timeout value of the screensaver in minutes.
Arguments 0-255, 0 = off, 255 = max