Lightspeed CAT 860, User Manual

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33
1. Overview
2. Setup & Use
3. Optional
Accessories
4. T
roubleshooting
5. W
arranty
, Safety
& Specifications
f. Return Absolute Audio Output Channel Volume Setting
g. Return Mute/Un-mute Status for Audio Inputs
5. Action/Query Response Functions:
a. Not Acknowledge (NACK) is the response for any aborted commands.
b. Action Command response is to repeat back the command packet sent
by the serial controller. Some action command packets do not have a
<Param> character, but all response packets will have one or two <Param>
characters.
Example: CMD><Param><Param><EOT>
Example: <STX><CMD><Param><EOT>
c. The Query Command response is for the most part the query command
repeated back to the serial controller. However, the response packet also
includes one or two imbedded <Param> characters which contain the
values of the pertinent CAT 860 registers.
Example: CMD><Param><Param><EOT>
Example:
<STX><CMD><Param><EOT><STX><CMD><Param><Param><EOT>
Example: <STX><CMD><Param><EOT>
Summary of command and response transactions Cont’d:
13. RS-232 SERIAL INTERFACE
PROGRAMMING
CONT’D