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EX II 3000SP Controller Reference Guide
3M Touch Systems Proprietary Information
Table 3 Firmware Commands for EX II 3000SP Development
Command Name Code Description
Pen or Finger PF The controller recognizes both TouchPen and finger touch. This is
the default setting.
Calibrate Extended CX Initiates an interactive, two-point calibration.
Calibrate Raw CR Collects the raw X and Y coordinates prior to normal scaling,
linearization, and filtering process.
Finger Only FO The controller disables the TouchPen and only recognizes finger
touch on the screen.
Format Raw FR Returns the signal level (amount of touch) of each of the four touch
screen corners in digital format.
Format Tablet FT Outputs the X/Y touch coordinate data in a five-byte packet.
Preferred for current development.
Mode Stream MS Sends a continuous stream of X/Y coordinate data when you touch
the screen.
Null Command Z Queries the controller and waits for a response.
Output Identity OI Identifies the controller type and the firmware version.
Pen Only PO The controller is set to only recognize input from the TouchPen and
ignores any finger contact on the touch screen.
Reset R Initializes the hardware and the firmware, causes the controller to
stop sending data, and recalculates the environmental conditions.
Note: 2-pt calibration data is lost.
Restore Defaults RD Returns the controller to the factory default operating parameters.
Note: the serial port is reset to N81 data format and 2-pt calibration
data is lost.
Unit Type UT Identifies the touch screen controller on your system.