Programming
37
6" Color Video Touch Panels
Video Send_Commands
Video Send_Commands direct the touch panel to perform various video specific operations.
System Send_Commands (Cont.)
ZAP!
Clears all mem-
ory; erases but-
tons, pages,
drawings, and
symbols.
Syntax:
"’ZAP!’"
Example:
SEND_COMMAND TP,"’ZAP!’"
Clears all memory and erases all buttons, pages, drawings, and symbols.
Only use the ZAP! command to erase the saved data in the touch panel; data cannot be
recovered after it is erased.
Video Send_Commands
@VBR
Sets the video sig-
nal brightness.
Syntax:
"’@VBR <ASCII setting for Brightness>’"
Variables:
ASCII brightness setting = 0 (min) - 255 (max)
Example:
SEND_COMMAND TP,"’@VBR 128’"
Sets the video brightness to 128.
@VBW
Sets the video to
black/white or
color.
Syntax:
"’@VBW <ASCII setting for Black/White input>’"
Variables:
Black/White input setting = 0: Color
1: Black and White
Example:
SEND_COMMAND TP,"’@VBW 1’"
Sets the video output to black and white.
@VCT
Sets the video
contrast.
Syntax:
"’@VCT <ASCII setting for Contrast>’"
Variables:
ASCII contrast setting = 0 (min) - 255 (max)
Example:
SEND_COMMAND TP,"’@VCT 128’"
Sets the video contrast to 128.
