Krell Industries RS-232 manual RC-5 Commands for the Home Theater Standard

Page 19

RC-5 Commands for the Home Theater

Standard 7.1, continued

SYSTEM

COMMAND

SYSTEM

COMMAND

RC5 WORD

HOME THEATER

(HEX)

(HEX)

(DEC)

(DEC)

(HEX)

STANDARD 7.1

 

 

 

 

 

 

19

5

25

5

3645

TV

19

6

25

6

3646

CD

19

7

25

7

3647

TUNER

19

8

25

8

3648

AUX1

19

9

25

9

3649

AUX2

19

A

25

10

364A

MAIN ZONE

19

B

25

11

364B

ZONE 2

19

C

25

12

364C

USER

19

D

25

13

364D

VCR INPUT

19

E

25

14

364E

TAPE INPUT

19

10

25

16

3650

COMPONENT1

19

11

25

17

3651

COMPONENT2

19

12

25

18

3652

COAX3

19

13

25

19

3653

COAX4

19

13

25

19

3654

COAX5

19

15

25

21

3655

COAX6

19

16

25

22

3656

TRIGGER1 ON

19

17

25

23

3657

TRIGGER1 OFF

19

18

25

24

3658

TRIGGER2 ON

19

19

25

25

3659

TRIGGER2 OFF

19

1A

25

26

365A

TRIGGER3 ON

19

1B

25

27

365B

TRIGGER3 OFF

19

1C

25

28

365C

TRIGGER4 ON

19

1D

25

29

365D

TRIGGER4 OFF

19

1E

25

30

365E

Z2 PWR ON

19

1F

25

31

365F

Z2 PWR OFF

19

20

25

32

3668

MAX DYNR

19

21

25

33

3669

NIGHT DYNR

19

22

25

34

366A

NORM DYNR

1C

14

28

20

3714

EQ OFF

1C

15

28

21

3715

EQ MEM1

1C

16

28

22

3716

EQ MEM2

1C

17

28

23

3717

EQ MEM3

1C

18

28

24

3718

EQ MEM4

19

30

25

48

3670

DIGIT 0

19

31

25

49

3671

DIGIT 1

19

32

25

50

3672

DIGIT 2

19

33

25

51

3673

DIGIT 3

19

34

25

52

3674

DIGIT 4

19

35

25

53

3675

DIGIT 5

19

36

25

54

3676

DIGIT 6

19

37

25

55

3677

DIGIT 7

19

38

25

56

3678

DIGIT 8

19

39

25

57

3679

DIGIT 9

19

3A

25

58

367A

SET MODE**

**The SET MODE command allows the user to set a specific audio decode mode using RC 5 commands. The code is set by sending the unit the SET MODE command, then the two DIGIT commands which define the mode. These three commands must occur in sequence; any command sent after the SET MODE command, other than the DIGIT commands, causes the SET MODE sequence to be reset. Refer to the list of audio decode modes on page 20. Modes that do not apply to the current input stream are ignored.

Krell Home Theater Standard 7.1 Developer’s Reference

19

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Contents Surround Preamp/Processor Developer’s ReferenceSurround Preamp/Processor Developer’s Reference Home Theater StandardOverview RS-232 Port Protocols Connecting to the RS-232 PortCommand RS-232 Code RS-232 Commands for the Home Theater StandardWorks on current zone RS-232 Commands for the Home Theater StandardMain Zone Direct Select Commands Trigger Decode Mode Select Commands Audio Decode Mode Code Word 2 General Status Word 1 Start of MessageRS-232 Status Block Descriptions Word 9 Zone 2 Audio Input Word 8 Main Zone Audio InputWord 10 Loudspeakers / Current Audio Stream Analog and PCM Decode Modes Word 11 Current Audio Decode ModesWord 13 Room EQ/Zone 2 Balance Word 12 Main Zone Balance/Compression ModeWord 15 Surround Trim Word 14 Center TrimWord 16 Back Trim Word 18 End of Message Word 17 Sub TrimSystem Command RC5 Word Home Theater HEX DEC Standard RC-5 Commands for Home Theater 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.
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