GTCO CR 1212 - Users Guide User Manual
Page 41
CR 1212 41
Section D: Diagnostic Functions
Echo
Use Echo to ensure that the interface between the tablet and host is operating correctly.
The tablet echoes (retransmits) characters back to the host that were sent from the host.
The tablet echoes the characters, one by one, as it receives them. If the interface is
working properly, the sent character matches the echoed character.
Note that character sequences are passed through, not acted upon by the tablet.
Therefore, remote commands issued while Echo is in effect are ignored by the tablet. To
abort the Echo function, issue the Reset command or repower the tablet.
Self-Test
The Self-Test function tests certain parts of the unit and transmits the results to the host.
The results are transmitted as one byte in one of the following formats:
Bit Pad One and Two Configurations: Self-Test Report
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