When making use of RS232 communication with the CTOUCH Laser air series, it is recommended to upgrade to the latest MCU version to make use of the latest added commands. After (or before) upgrading the MCU firmware, make sure to upgrade the main firmware of the screen as well. Please check the latest firmware here.
For test purpose a file as part of the zip is added which can be used with the free version of Docklight (https://docklight.de/downloads/). The file has the ptp extension and contains all available RS232 commands.
Download
CTOUCH_RS232_MCUupdate_Laser air_2015-11-06.zip
Content in downloadable attachment
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CTOUCH_Firmware_Readmefile_RS232-MCU_Laser air.pdf
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CTOUCH_Laser_air_9600_ID00.ptp
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CTOUCH_Laser_air_9600_ID01.ptp
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CTOUCH_RS232_Protocol_Laser air_FW v3.00 and up.pd
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FlyMcu.exe
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ST32F103.hex