RC-5 Commands for the

Home Theater Standard 7.1

The following codes are used for controlling the Home Theater

Standard 7.1 via IR.

SYSTEM

COMMAND

SYSTEM

COMMAND

RC5 WORD

HOME THEATER

(HEX)

(HEX)

(DEC)

(DEC)

(HEX)

STANDARD 7.1

 

 

 

 

 

 

1C

1

28

1

3701

SUB

1C

2

28

2

3702

REAR

1C

6

28

6

3706

CENTER

1C

7

28

7

3707

MUTE

1C

B

28

11

370B

DOWN

1C

C

28

12

370C

MENU

1C

D

28

13

370D

RIGHT

1C

E

28

14

370E

ENTER

1C

F

28

15

370F

LEFT

1C

10

28

16

3710

TAPE

1C

11

28

17

3711

UP

1C

12

28

18

3712

PREV

1C

19

28

25

3719

7.1 INPUT

1C

1A

28

26

371A

BALANCE

1C

1B

28

27

371B

B1

1C

1C

28

28

371C

S1

1C

1D

28

29

371D

S2

1C

1E

28

30

371E

S3

1C

1F

28

31

371F

S4

1C

20

28

32

3720

S5

1C

21

28

33

3721

COAX1

1C

22

28

34

3722

COAX2

1C

23

28

35

3723

OPT1

1C

24

28

36

3724

OPT2

1C

27

28

39

3727

TAPE ON

1C

28

28

40

3728

TAPE OFF

1C

29

28

41

3729

S-VIDEO1

1C

2A

28

42

372A

S-VIDEO2

1C

2B

28

43

372B

S-VIDEO3

1C

2C

28

44

372C

S-VIDEO4

1C

2D

28

45

372D

COMPOSITE1

1C

2E

28

46

372E

COMPOSITE2

1C

2F

28

47

372F

COMPOSITE3

1C

30

28

48

3730

COMPOSITE4

1C

33

28

51

3733

MUSIC1

1C

35

28

53

3735

STEREO

1C

37

28

55

3737

VOL ZERO

1C

38

28

56

3738

PWR ON

1C

39

28

57

3739

PWR OFF

1C

3A

28

58

373A

MUTE ON

1C

3B

28

59

373B

MUTE OFF

1C

3C

28

60

373C

VOL +10

1C

3D

28

61

373D

VOL -10

1C

3E

28

62

373E

PROLOGIC

19

0

25

0

3640

MUSIC2

19

1

25

1

3641

DVD

19

2

25

2

3642

LD

19

3

25

3

3643

SAT

19

4

25

4

3644

VCR

18

Krell Home Theater Standard 7.1 Developer’s Reference

Page 18
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Krell Industries RS-232 RC-5 Commands for Home Theater Standard, System Command RC5 Word Home Theater HEX DEC Standard

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.