RS-232 Commands for the Home Theater Standard 7.1

MENU COMMANDS

AUTO-STATUS COMMANDS

GENERAL DEVICE SELECT COMMANDS

LEVEL COMMANDS

COMMAND

RS-232 CODE

 

 

 

Up

 

UPZ

Down

 

DWNZ

Left

 

LFTZ

Right

 

RGTZ

Menu

 

MENZ

Enter

 

ENTZ

Previous

 

PRVZ

 

 

 

 

 

 

Disable Auto Status

 

ASTDZ

Enable Auto Status

 

ASTEZ

Get Status

 

STAZ

 

 

 

DVD Device Select1

 

DVDZ

LD Device Select1

 

LDZ

Satellite Device Select1

 

SATZ

VCR Device Select1

 

VCRZ

TV Device Select1

 

TVZ

CD Device Select1

 

CDZ

Tuner Device Select1

 

TUNZ

Aux1 Device Select1

 

AU1Z

Aux 2 Device Select1

 

AU2Z

Tape Monitor Select1

 

TPZ

 

 

 

Up

 

UPZ

Down

 

DWNZ

Main Speaker Volume

000 - 152

XXXMVLZ

Zone 2 Speaker Volume

000 - 152

XXXRVLZ

Center Trim Select

then use UPZ and DWNZ

 

 

must be on main zone

ICVLZ

Surround Trim Select

then use UPZ and DWNZ

 

 

send twice for Back Trim Select

 

 

must be on main zone

IRVLZ

Sub Trim Select

then use UPZ and DWNZ

 

 

must be on main zone

ISUBZ

Center Speaker Trim

000 - 020, sets -10 to +10 dB

XXXCVLZ

Surround Speaker Trim

000 - 020, sets -10 to +10 dB

XXXSRLZ

Back Speaker Trim

000 - 020, sets -10 to +10 dB

XXXBVLZ

Subwoofer Trim

000 - 020, sets -10 to +10 dB

XXXSVLZ

Current Zone Balance Select

then use UPZ and DWNZ

IBALZ

Balance

000 -026, sets right off, left +6,

 

 

through right +6, left off 1/2 dB steps

XXBALZ

Zone 2 Balance

then use UPZ and DWNZ

BRLZ

 

 

 

1The General Device Select Command is the best choice for normal operation: It always functions on the currently selected zone and engages any configurations set through the Home Theater Standard 7.1 menu.

Krell Home Theater Standard 7.1 Developer’s Reference

5

Page 5
Image 5
Krell Industries RC-5 manual RS-232 Commands for the Home Theater Standard, Command RS-232 Code

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.