Operating an STU tablet in serial communications mode
Two STU models support the serial communications interface:
The tablets can be configured for:
- Human Interface Device (HID) - standard USB connection or
- Virtual COM Port (VCP) - serial connection over USB
STU Serial Connection describes how to:
- Select the serial communication mode of operation
- Determine which COM port an STU tablet is connected to
Signature SDK Configuration
The following registry values are required for the Signature SDK to use the serial interface.
In a potential installation with the tablet connected to COM5 using the standard baud rate 128000:
32-bit Signature SDK on 64-bit Windows (i.e. the typical sign pro PDF installation)
32-bit Signature SDK on 32-bit Windows or 64-bit Signature SDK on 64-bit Windows
Registry values may be overridden directly by the application with
Having made the necessary settings, test signature capture with the Capture Analyser to confirm the installation.