5. Warranty, Safety

& Specifications

 

 

 

4. Troubleshooting

 

 

 

 

3. Optional

Accessories

 

 

2. Setup & Use

 

 

 

1. Overview

14.RS-232 SERIAL INTERFACE COMMAND DEFINITION CONT’D

ADVANCED COMMAND SET FOR AUDIO MIXER OPERATIONS CONT’D

Audio Input Functions for the A/V Source Group Cont’d

9. QUERY ABSOLUTE VOLUME FOR SELECTED AUDIO OUTPUT COMMAND

<CMD>

Hex

<Param> Value

Definition

Symbol

Value

 

 

 

 

 

 

AOAV?

0xA5

Command Packet:

This command causes the

 

 

The controller sends no

CAT 860 to return a query

 

 

response packet where

 

 

<Param> character in the

 

 

the first of two <Param>

 

 

command packet.

 

 

characters contains the

 

 

 

 

 

Response Packet:

selection status set by

 

 

The CAT 860 sends two

AOCH (<0xA0>) and the

 

 

second contains the value

 

 

<Param> characters in

stored in the volume-level

 

 

the response packet. The

EEPROM variable selected

 

 

possible values are shown

by the AOCH (<0xA0>)

 

 

below:

command.

 

 

<Param> #1:

If the command is not

 

 

0x81 = AUX OUT

received properly, the CAT

 

 

860 responds by sending a

 

 

<Param> #2:

 

 

<NACK> character.

 

 

0xCF = 0 dB

 

 

 

0xCE = -1dB

 

 

 

0xCD = -2dB

 

 

 

0xCC = -3dB

 

 

 

0xA7 = -40dB

 

14.RS-232 SERIAL INTERFACE COMMAND DEFINITION CONT’D

ADVANCED COMMAND SET FOR AUDIO MIXER OPERATIONS CONT’D

Audio Input Functions for the Infrared Source Group

1. SELECT INFRARED INPUT COMMAND

<CMD>

Hex

<Param> Value

Definition

Symbol

Value

 

 

 

 

 

 

IICH p

0xB0

Command Packet:

This command determines

 

 

The controller sends only

which volume-level EEPROM

 

 

variable will be affected

 

 

one <Param> character in

 

 

by the IIDI (<0xB2>), IIDD

 

 

the command packet. The

 

 

(<0xB3>), and IIAV (<0xB4>)

 

 

possible values are shown

 

 

commands.

 

 

below:

 

 

 

 

 

0x80 = IR Channel A**

If the command is properly

 

 

received, the CAT 860

 

 

 

 

 

0x81 = IR Channel B

responds by repeating back

 

 

** Power up default

the command packet where

 

 

the <Param> contains the

 

 

Response Packet:

selection status

 

 

 

 

 

The CAT 860 sends only

If the command is not

 

 

received properly, the CAT

 

 

one <Param> character in

 

 

860 responds by sending a

 

 

the response packet. The

 

 

<NACK> character.

 

 

possible values are shown

 

 

 

 

 

below:

Power up default is IR

 

 

0x80 = IR Channel A

Channel A selected.

 

 

 

0x81 = IR Channel B

QUERY SELECTED INFRARED INPUT COMMAND

5. Warranty, Safety

& Specifications

 

 

 

4. Troubleshooting

 

 

 

 

3. Optional

Accessories

 

 

 

2. Setup & Use

 

 

 

1. Overview

0x83

= -76dB

0x82

= -77dB

0x81

= -78B

0x80

= -79dB

 

 

IICH?

0xB1 Command Packet:

The controller sends no <Param> character in the command packet.

Response Packet:

The CAT 860 sends only one <Param> character in the response packet. The possible values are shown below:

0x80 = IR Channel A

0x81 = IR Channel B

This command causes the CAT 860 to return a query response packet where the <Param> contains the selection status set by IICH (<0xB0>).

If the command is not received properly, the CAT 860 responds by sending a <NACK> character.

60

61

Page 31
Image 31
LightSpeed Technologies CAT 860 user manual 0xB1 Command Packet

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.