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Programming
25
5.5" Color Passive Mini-Touch Panels
System Send_Commands (Cont.)
BAUD
Sets the program
port baud rate.
The baud rate can also be set in the Protected Setup page’s BAUD level indicator.
Syntax:
"’BAUD <baud rate>’"
Variable:
baud rate = 38400, 19200, 9600, 4800, 2400, 1200, 600, and 300
Example:
SEND_COMMAND TP,"’BAUD 38400’"
Sets the Baud rate to 38400.
BEEP
Gives an output of
one beep.
This beep command sounds one tone for a time length of 50 milliseconds.
Syntax:
"’BEEP’"
Example:
SEND_COMMAND TP,"’BEEP’"
Activates one beep tone. Beeps the panel if the Beep button is not set to 0.
The BEEP
command does not disable the beep after a QBEEP command.
BRIT
Adjusts brightness
of display.
Syntax:
"’BRIT-<level>’"
Variable:
level = 1 - 8 (1 = minimum; 8 = maximum)
Example:
SEND_COMMAND TP,"’BRIT-8’"
Sets to highest brightness level.
CALIBRATE
Starts the touch
panel calibration
sequence.
Syntax:
"’CALIBRATE’"
Example:
SEND_COMMAND TP,"’CALIBRATE’"
Starts the calibration operation on the touch panel.
CONT
Adjusts contrast of
display.
Syntax:
"’CONT-<level>’"
Variable:
level = 1 - 32 (1 = minimum; 32 = maximum)
Example:
SEND_COMMAND TP,"’CONT-32’"
Sets display to highest contrast level.
Contrast levels may have to be adjusted due in
part to variances in temperature. The contrast of this panel will need adjustment as
the temperature changes.This is particularly true during the warm up period
between when the unit is first turned on and when the LCD display temperature sta-
bilizes. If the contrast vaue is not adjusted, the display may appear to have a non-
uniform color in areas near the edges of the display due to the heat generated by
the CCFL tube, which runs around the edge.