Extron electronic RAC 104 user manual Resetting the RAC, Locking the front panel, Cancelling a tie

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For example, if the treble on channel 1 is set to 6 and the treble on channel 2 is set to 10, the unit will change channel 2’s treble setting to 6 when the user ties them together.

 

Channel 1

Channel 2

Treble before tie:

6

10

Treble after tie:

6

6

Volume, bass, treble, and mute adjustments can now be made to both channels simultaneously. The user can continue to adjust the gain settings independently using the SIS or the Windows-based control program via the RS-232 connector (see chapter 3 for more information).

Ties can also be made using the SIS or the Windows-based control program (see chapter 3 for more information).

Cancelling a tie

To cancel a tie, press and release the channel selector button again so that only one channel selector LED is on, then turn the knob.

Ties can also be cancelled using the SIS or the Windows-based control program (see chapter 3 for more information).

Resetting the RAC 104

To return the RAC 104 to its default settings, press and hold the adjustment selector button for 10 seconds. All the LEDs will light and then turn off. The default settings are:

Volume

70 (-30 dB)

Gain

0 dB

Bass

7 (0 dB)

Treble

7 (0 dB)

Any volume and tone limits are cancelled (see chapter 3 for information on limits).

The unit can also be reset using the SIS or the Windows-based control program (see chapter 3 for more information).

Locking the front panel

To prevent accidental changes to the controller settings, the front panel controls can be locked using one of two executive modes. The user turns the executive modes on and off using either the SIS or the Windows-based control program via the RS-232 connector (see chapter 3 for more information).

If the user presses a front panel button that is locked, the LED corresponding to that button flashes three times.

RAC 104 • Installation and Operation 2-11

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Contents RAC Remote Volume and Tone ControllerSafety Instructions English PrecautionsRAC 104 Introduction Table of Contents, cont’d Quick Start Guide RAC Connectors as shown belowQuick Start Guide RAC 104, cont’d Table of Contents Accessories Specifications Included Parts Appendix a Specifications , Part NumbersRAC OneAbout the RAC FeaturesIntroduction Typical RAC 104 application Introduction, cont’d Two UL rack mounting guidelines Installation and OperationMounting the RAC Rack mounting Tabletop useFurniture mounting Installation and Operation, cont’dProjector mounting Unbalanced Input Line level selector DIP switches Set these switches to Installation and Operation, cont’d Front Panel Controls Creating a tie Channel tiesLocking the front panel Resetting the RACCancelling a tie Installation and Operation, cont’d Three Controller-initiated messages Remote ControlSimple Instruction Set Host-to-controller instructionsSymbol definitions Controller error responsesUsing the command/response table RAC 104 Remote Control Remote Control, cont’dMute Command/response table for SIS commandsOutput Volume Audio input gain/attenuationRemote Bass adjustmentRemote Control Treble adjustment Preset save and recallUpdate firmware View Preset SettingsSystem reset Tie channels together Front panel lock out Executive modesInformation requests Volume, Bass, and Treble Range Limit Settings Windows-Based Program Control Installing the softwareUsing the software Input/Output Level fields Preset Preview buttonSetting volume and tone limits Updating the firmware Using the help systemMute PresetsFront Panel Security Lockout Executive Modes Remote Control, cont’d AAppendix a Audio input Specifications, Part Numbers, and AccessoriesSpecifications AudioGeneral Control/remote remote volume/tone controllerAudio output Included Parts Specifications, Part Numbers, Accessories, cont’dAccessories RAC 104 Specifications, Part Numbers, and AccessoriesUSA, Canada, South America Japan Central America Extron’s WarrantyExtron Electronics. All rights reserved

RAC 104 specifications

The Extron Electronics RAC 104 is a versatile and robust presentation interface designed to facilitate streamlined and efficient audio-visual signal management in various professional environments. This compact device is particularly well-suited for classrooms, conference rooms, and boardrooms where connectivity and ease of use are paramount.

One of the standout features of the RAC 104 is its ability to support multiple input formats. It provides four HDMI inputs, ensuring compatibility with a wide range of video sources such as laptops, tablets, and other HDMI-capable devices. This multi-input capability allows users to switch seamlessly between different presentations without the need for complicated setups or constant reconfiguration.

In addition to HDMI, the RAC 104 also includes a built-in audio interface. It features stereo audio inputs that complement the video signals, enabling an integrated A/V experience. This feature is crucial for presentations where sound plays an important role, providing clear and high-quality audio output.

Another remarkable technology included in the RAC 104 is its automatic configuration capabilities. The device can detect video signals and adjust its settings accordingly, making it user-friendly and reducing the need for technical support for less experienced operators. This is particularly beneficial in educational settings where instructors may not have extensive technical knowledge.

The Extron RAC 104 also boasts support for HDCP compliance, ensuring that it can handle protected content from various sources without any issues. This compliance is increasingly important in corporate and educational environments where digital rights management plays a significant role.

In terms of physical characteristics, the RAC 104 is designed for easy installation and integration. Its compact form factor allows it to fit into standard equipment racks or be mounted discreetly, preserving the aesthetics of the installation area. Moreover, the device’s durable construction ensures long-lasting performance even in high-usage scenarios.

Overall, the Extron RAC 104 is an ideal solution for those seeking a reliable and feature-rich presentation interface. Its combination of multiple input options, integrated audio capabilities, automatic configuration, and robust design make it a standout choice for various audio-visual applications. Whether in a corporate boardroom or an educational facility, the RAC 104 enhances the presentation experience, making it easier for users to share information effectively and efficiently.
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