LightSpeed Technologies CAT 860 user manual RS-232SERIAL INTERFACE, Programming Cont’D

5. Warranty, Safety	& Specifications
4. Troubleshooting
3. Optional	Accessories
2. Setup & Use
1. Overview

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13.RS-232 SERIAL INTERFACE PROGRAMMING CONT’D

Summary of command and response transactions:

1.Action Command Functions for the Basic Command Set (Audio Switcher Operations):

a.Enable One of Four Audio/Video Sources

b.Increment and Decrement All Audio/Video Sources by 2dB

c.Increment and Decrement Both Microphone Channels by 2dB

d.Mute and Un-mute All Audio/Video Sources

e.Mute and Un-mute Both Microphone Channels

2.Query Command Functions for the Basic Command Set (Audio Switcher Operations):

a.Return Absolute Microphone Source Volume Setting

b.Return Audio/Video Source Selection Status (TV/VCR, CD/DVD, COMP, or AUX)

c.Return Absolute Audio/Video Source Volume Setting

d.Return Mute/Un-mute Status for Microphone Source Inputs

e.Return Mute/Un-mute Status for Audio/Video Source Inputs

3.Action Command Functions for the Advanced Command Set (Audio Mixer Operations):

a.Select Control of Microphone Input Channel (A or B)

b.Set Differential Microphone Input Channel Volume

c.Set Absolute Microphone Input Channel Volume

d.Select Control of Audio/Video Source (TV/VCR, CD/DVD, COMP, or AUX)

e.Set Differential Audio/Video Source Volume

f.Set Absolute Audio/Video Source Volume

g.Select Control of Audio Output Channel (AUX)

h.Set Absolute Audio Output Channel Volume

i.Set Mute/Un-mute of Any or All Audio Inputs

4.Query Command Functions for the Advanced Command Set (Audio Mixer Operations):

a.Return Microphone Input Channel Selection Status (A or B)

b.Return Absolute Infrared Input Channel Volume Setting

c.Return Audio/Video Source Selection Status (TV/VCR, CD/DVD, COMP, or AUX)

d.Return Absolute Audio/Video Source Volume Setting

e.Return Audio Output Channel Selection Status (AUX)

13. RS-232 SERIAL INTERFACE
	Warranty,5.Safety Specifications&
PROGRAMMING CONT’D
Summary of command and response transactions Cont’d:
f. Return Absolute Audio Output Channel Volume Setting
g. Return Mute/Un-mute Status for Audio Inputs
	Troubleshooting4.
b. Action Command response is to repeat back the command packet sent
5. Action/Query Response Functions:
a. Not Acknowledge (NACK) is the response for any aborted commands.
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.	Optional3. Accessories
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.	& Use
Example: CMD><Param><Param><EOT>
Example:	2. Setup
<STX><CMD><Param><EOT><STX><CMD><Param><Param><EOT>
Example: <STX><CMD><Param><EOT>
	1. Overview

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