Krell Industries RS-232, RC-5 manual Word 14 Center Trim, Word 15 Surround Trim, Word 16 Back Trim

Page 16

RS-232 Status Block Descriptions, continued

Word 14: Center Trim

Bit

 

7

 

 

6

 

5

4

3

2

1

0

Description

 

Reserved

 

Reserved

Reserved

CT 4

CT 3

CT 2

CT 1

CT 0

 

Bits 4 – 0: Center Trim

 

 

 

 

 

 

 

Trim Settings

 

 

 

 

 

 

 

 

0

-10

dB

10

0

dB

 

 

 

 

 

1

-9

dB

11

+1

dB

 

 

 

 

 

2

-8

dB

12

+2

dB

 

 

 

 

 

3

-7

dB

13

+3

dB

 

 

 

 

 

4

-6

dB

14

+4

dB

 

 

 

 

 

5

-5

dB

15

+5

dB

 

 

 

 

 

6

-4

dB

16

+6

dB

 

 

 

 

 

7

-3

dB

17

+7

dB

 

 

 

 

 

8

-2

dB

18

+8

dB

 

 

 

 

 

9

-1

dB

19

+9

dB

 

 

 

 

 

 

 

 

 

 

20

+10

dB

 

 

 

 

 

Word 15: Surround Trim

Bit

 

 

7

 

6

 

 

 

5

 

 

4

3

 

2

1

0

Description

 

Mode 1/2

 

Reserved

 

 

Reserved

 

 

RT 4

RT 3

 

RT 2

RT 1

RT 0

 

LED Status

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit 7: Mode 1/2 LED Status 1 = Mode 1 LED is On, 0 = Mode 2 LED is On

 

 

 

 

Bits 4 – 0: Surround Trim

 

 

 

 

 

 

 

 

 

 

 

 

Trim Settings

 

 

 

 

 

 

 

 

 

 

 

 

 

0

-10

dB

7

-3

dB

14

+4

dB

 

 

 

 

 

1

-9

dB

8

-2

dB

15

+5

dB

 

 

 

 

 

2

-8

dB

9

-1

dB

16

+6

dB

 

 

 

 

 

3

-7

dB

10

0

dB

17

+7

dB

 

 

 

 

 

4

-6

dB

11

+1

dB

18

+8

dB

 

 

 

 

 

5

-5

dB

12

+2

dB

19

+9

dB

 

 

 

 

 

6

-4

dB

13

+3

dB

20

+10

dB

 

 

 

 

 

Word 16: Back Trim

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

6

 

 

 

5

 

 

4

3

 

2

1

0

Description

 

Reserved

 

Reserved

 

 

Reserved

 

 

BT 4

BT 3

 

BT 2

BT 1

BT 0

 

Bits 4 – 0: Back Trim

 

 

 

 

 

 

 

 

 

 

 

 

 

Trim Settings

 

 

 

 

 

 

 

 

 

 

 

 

 

0

-10

dB

7

-3

dB

14

+4

dB

 

 

 

 

 

1

-9

dB

8

-2

dB

15

+5

dB

 

 

 

 

 

2

-8

dB

9

-1

dB

16

+6

dB

 

 

 

 

 

3

-7

dB

10

0

dB

17

+7

dB

 

 

 

 

 

4

-6

dB

11

+1

dB

18

+8

dB

 

 

 

 

 

5

-5

dB

12

+2

dB

19

+9

dB

 

 

 

 

 

6

-4

dB

13

+3

dB

20

+10

dB

 

 

 

 

 

16

Krell Home Theater Standard 7.1 Developer’s Reference

Image 16
Contents Developer’s Reference Surround Preamp/ProcessorHome Theater Standard Surround Preamp/Processor Developer’s ReferenceOverview Connecting to the RS-232 Port RS-232 Port ProtocolsRS-232 Commands for the Home Theater Standard Command RS-232 CodeRS-232 Commands for the Home Theater Standard Works on current zoneMain Zone Direct Select Commands Trigger Decode Mode Select Commands Audio Decode Mode Code Word 1 Start of Message Word 2 General StatusRS-232 Status Block Descriptions Word 9 Zone 2 Audio Input Word 8 Main Zone Audio InputWord 10 Loudspeakers / Current Audio Stream Word 11 Current Audio Decode Modes Analog and PCM Decode ModesWord 12 Main Zone Balance/Compression Mode Word 13 Room EQ/Zone 2 BalanceWord 15 Surround Trim Word 14 Center TrimWord 16 Back Trim Word 17 Sub Trim Word 18 End of MessageRC-5 Commands for Home Theater Standard System Command RC5 Word Home Theater HEX DEC StandardRC-5 Commands for the Home Theater Standard Audio Decode Mode Code
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RC-5, RS-232 specifications

Krell Industries, renowned for its high-end audio and video components, has made significant advancements in connectivity protocols, particularly the RS-232 and RC-5 interfaces. These technologies are integral to modern home theater systems and high-fidelity audio setups, enabling seamless communication between devices while ensuring superior performance.

The RS-232 interface, a standard for serial communication, is widely used in professional and consumer electronics. Krell’s implementation of RS-232 allows for robust control of audio and video equipment. It supports bidirectional data transmission, which means that not only can commands be sent to the device, but status can also be communicated back to the controller. This feature is essential for integrated systems where centralized control is desired, enhancing user convenience.

One of the standout characteristics of Krell's RS-232 integration is its compatibility with a variety of control systems, including automation interfaces from major brands. This ensures that users can easily incorporate Krell products into their existing setups without compatibility issues. Additionally, the RS-232 connection supports long cable runs, making it ideal for larger installations, such as those in dedicated home theaters or commercial spaces.

On the other hand, the RC-5 protocol, developed by Philips, is a widely adopted infrared standard that facilitates remote control operations. Krell Industries has embraced this technology to ensure that their equipment is easily controllable using standard remote controls or universal remote systems. RC-5’s simplicity and efficiency in sending commands over infrared make it an excellent choice for consumer applications where ease of use is a priority.

One of the main features of the RC-5 system is its command structure, which allows for a variety of user-defined commands. This flexibility enhances user experience, as it enables customization of device response and control sequences. Moreover, Krell’s products designed with RC-5 support can be effortlessly integrated with home automation systems, allowing users to manage their audio and video components alongside lighting, security, and other connected devices.

In summary, Krell Industries’ incorporation of RS-232 and RC-5 interfaces showcases their commitment to quality and user experience in high-end audio and video products. These technologies facilitate seamless integration, robust control, and customization, making the overall system more versatile and user-friendly. With Krell’s innovative approach, enthusiasts can elevate their audio and video experiences to new heights while enjoying the benefits of modern connectivity solutions.