5. Warranty, Safety

& Specifications

 

 

 

4. Troubleshooting

 

 

 

 

3. Optional

Accessories

 

 

2. Setup & Use

 

 

 

1. Overview

 

 

32

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

 

 

 

 

 

 

 

 

33

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LightSpeed Technologies CAT 860 RS-232 Serial Interface, Programming CONT’D, Summary of command and response transactions
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CAT 860 specifications

LightSpeed Technologies has made significant strides in the field of educational technology with its innovative product, the CAT 860. This advanced audio distribution system is designed to enhance learning environments by ensuring that every student can hear their teacher clearly, regardless of classroom size or layout. The CAT 860 is particularly valuable in diverse educational settings, from traditional classrooms to modern digital learning environments.

One of the standout features of the CAT 860 is its powerful amplification capabilities. The system is equipped with a robust amplifier that delivers crystal-clear sound, offering a more engaging experience for students. This clarity not only enhances comprehension but also reduces fatigue during prolonged listening sessions. The CAT 860 uses digital signal processing to eliminate background noise and offers a full-range audio experience without distortion, which is critical in maintaining student attention.

Another key characteristic of the CAT 860 is its flexibility in terms of connectivity. It supports various input sources, including microphones, audio devices, and streaming services. This versatility makes it easier for teachers to incorporate multimedia resources into their lessons, fostering a more dynamic and interactive learning process. Moreover, the system can connect wirelessly to other devices, allowing for seamless integration into existing educational technology infrastructure.

Additionally, the CAT 860 is user-friendly, featuring a simple interface that allows teachers to quickly adjust volume levels and select audio sources without needing extensive technical training. This ease of use encourages teachers to utilize the system more frequently, which in turn maximizes the benefits of enhanced audio in the classroom.

In terms of design, the CAT 860 is compact and aesthetically pleasing, making it a suitable addition to any classroom environment. Its modern design ensures that it blends seamlessly with other teaching aids and equipment, maintaining an organized and professional appearance.

Overall, the LightSpeed Technologies CAT 860 is a powerful and flexible audio distribution system that caters to the unique needs of modern classrooms. By improving sound quality and ease of use, it enhances the overall educational experience for both students and teachers alike, making it an essential tool in today's learning environments.
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