Dataton WATCHOUT User's Guide

Example; set frame 1234 as the stop marker then play:
1234SMPL
Command Responses
Queries
Successful completion of a string containing one or many commands is
acknowledged by this response:
R
where represents a carriage return character (0x0D).
If an error occurs in processing a command, an error response is returned
instead:
Enn
where nn is the error code number; 04 is “Unknown or Bad Command” and
06 is “Missing Parameter”.
You can use queries to determine certain status information. Queries send
replies back to the controlling device instead of the above mentioned command
response. The format of the reply varies with the query.
Example:
F
00125
In the above example, the first line is the Frame Number query, sent to
WATCHOUT from the external controller, and the second line (shown in italics)
is the reply, indicating the current frame number.
144 Appendix A: Serial Protocol