Extron electronic MVX 48 manuale d’uso

MVX 44 / 48 / 84 / 88 Series VGA Matrix Switchers 68-877-01 Rev . B Printed in USA 09 04[...]

This symbol is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment. This symbol is intended to alert the user of the presence of uninsulated dangerous voltage within the product's enclosure that may present a risk of electric shock. Caution Read Instructions ?[...]

QS-1 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Quick Start Quick Start — MVX Series VGA Matrix Switchers Installation 1 — Mount If desired, mount the switcher in a rack with the supplied rack ears or mount the switcher under a desk using an Extron 1U Enclosur e Under -desk mount kit, part # 70-222-01 . 2 — Inputs a Connect up to 4 or 8 h[...]

Quick Start — MVX Series VGA Matrix Switchers, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Quick Start QS-2 I/O AUD VID Press the button to cycle through the selections. The LEDs light when video and/or audio is selected. 6 5 4 INPUTS Press and release the Input 5 button. The Input 5 LED lights to indicate that input 5 is selected. AU[...]

i MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Table of Contents T able of Contents Chapter 1 • Introduction ....................................................................................................... 1-1 About the Switchers ......................................................................................................... 1-2[...]

ii MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Table of Contents T able of Contents, cont’d T roubleshooting ................................................................................................................ 3-26 Worksheets ...........................................................................................................[...]

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers 1 Chapter One Intr oduction About the Switchers Features[...]

Introduction, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Introduction 1-2 Introduction About the Switchers The Extron MVX Series VGA matrix switchers (figure 1-1) is a family of computer video matrix switchers that distribute any VGA or component/HDTV video (or other high resolution video) and audio input to any combination of outputs.[...]

1-3 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Introduction Features V ideo — These switchers input and output VGA – UXGA RGBHV , RGBS, RGsB, RsGsBs video, or component/HDTV signals on 15-pin HD female connectors. Bandwidth — Bandwidth is 300 MHz (–3 dB). This high bandwidth allows the switchers to switch high resolution video with no l[...]

Introduction, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Introduction 1-4 Global memory presets — Sixteen global memory presets ar e a time-saving feature that lets you set up and store input/output configurations in advance. Y ou can then recall those configurations, when needed, with a few simple steps. On each model, there ar e as[...]

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers 2 Chapter T wo Installation Mounting the Switcher Cabling and Rear Panel Views[...]

Installation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Installation 2-2 Installation Mounting the Switcher Keep the switcher out of bright light to prevent interfer ence with the IR signals from the IR 501 re mote control. T abletop use For tabletop use, affix one of the supplied self-adhesive rubber feet to each corner of the bottom[...]

2-3 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Installation 3 . Drill 1/4" (6.4 mm) deep, 3/32" (2 mm) diameter pilot holes in the table or desk at the marked screw locations from the underside/inside (concealed side) of the furniture, wher e the switcher will be located. 4 . Insert the four wood screws into the pilot holes. Fasten ea[...]

Installation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Installation 2-4 V ideo and audio output connections 2 RGB video output connectors — Connect RGBHV video displays to these 15-pin HD female connectors for each output. The MVX switchers can also switch RGBS, RGsB, RsGsBs, or component/HDTV video. The MVX switchers do not alter [...]

2-5 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Installation Remote connection 4 RS-232 connector — Connect a host device, such as a computer or control system, to the switcher via this 9-pin D connector (figure 2-5) for r emote control of the switcher . Pin RS-232 Function 1 — Not used 2 TX Transmit data (-) 3 RX Receive data (+) 4 — Not [...]

Installation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Installation 2-6[...]

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers 3 Chapter Thr ee Operation Front Panel Controls and Indicators Operations Optimizing the Audio T roubleshooting W orksheets[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-2 Operation Front Panel Contr ols and Indicators The number of input and output buttons and LEDs that each MVX Series VGA matrix switcher provides varies with the number of inputs and outputs. Figure 3-1 shows the fr ont panel of an 8-input, 8-output video and audio swit[...]

3-3 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation Power/audio/data LED and infrared sensor 1 Infrared remote sensor — This sensor receives infrared (IR) signals fr om the optional IR 501 small matrix universal remote contr ol. The IR r emote control must be pointed within 30 degrees of this sensor for best r esults. Operation of the IR[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-4 Control buttons and LEDs 5 Enter button — The Enter button saves changes when you set up a new configuration. T o create a simple configuration: • Specify video, audio, or both (see controls [ 7 ] and [ 8 ]). • Press the desir ed input button ( 3 ). • Press the[...]

3-5 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 9 Audio Setup LED — The Audio Setup LED lights red to indicate that the switcher is in Audio Setup mode. See Adjusting input audio gain and attenuation on page 3-18. Alternate IR error function — The Audio Setup LED also indicates errors when you use an IR 501 small matrix remote cont[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-6 Operations The following paragraphs detail the power-up process and then pr ovide sample procedur es for creating ties, sets of ties, and configurations; changing a configuration; viewing ties, sets of ties, and configurations; saving a preset; recalling a pr eset; vie[...]

3-7 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation • If, when you are configuring video and audio ties, the Audio LED blinks and the V ideo LED is on after you have selected an input or output, the LEDs indicate audio breakaway , meaning that the audio ties are not the same as the video ties for that input. • If an input with no tie i[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-8 3 . Press and r elease the Output 3, Output 4, and Output 8 buttons (figure 3-5). The entire set of ties can be canceled at this point by waiting for the 5-second input/output button timeout to occur . 7 6 5 2 4 1 8 3 OUTPUTS Press and release the Output 3, 4, and 8 bu[...]

3-9 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation Example 2: Add a video tie to a set of video and audio ties The following steps show an example in which a new video tie is added to the current configuration. The example shows the fr ont panel indications that result from your actions. This example assumes that you have performed exampl[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-10 The current configuration (figure 3-12) is now: • Input 5 video tied to output 1, output 3, output 4, and output 8 Input 5 video tied to outputs 1 , 3 , 4 , and 8. Input 5 audio tied to outputs 3 , 4 , and 8. Input Output 1 3 4 8 5 Video Audio Figure 3-12 — Exampl[...]

3-11 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3 . Press and r elease the Output 4 button (figure 3-15). 7 6 5 2 4 1 8 3 OUTPUTS Press and release the Output 4 button. The Output 4 LED goes out to indicate that the selected input will be untied from this output. Figure 3-15 — Deselect the output 4 . Press and r elease the Enter but[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-12 V iewing the configuration The current configuration (all active ties) can be viewed using the fr ont panel buttons as follows: 1 . Select video, audio, or both to view by pressing the I/O button. 2 . Press and r elease an input or output button. a . Press and release[...]

3-13 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 2 . Press and r elease the Input 5 button (figure 3-19). 2 7 6 5 2 4 1 INPUTS OUTPUTS 8 3 1 8 6 5 4 3 7 I/O AUD VID +dB -d B Press and release the Input 5 button. The Input 5 LED lights to indicate that input 5 is selected. The Output 1, Output 3, Output 4, and Output 8 LEDs light to ind[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-14 Example 5: View ties by selecting outputs The following steps show an example of viewing the video and audio, audio-only , and video-only ties in the current configuration by selecting various outputs. The example shows the front panel indications that r esult from yo[...]

3-15 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3 . Press and r elease the I/O button (figure 3-24). 2 OUTPUTS 1 8 6 5 4 3 7 I/O AUD VID +dB -d B 4 INPUTS 6 4 5 Press the button to deselect audio . The video LED lights when video is selected. The audio LED is off when audio is deselected. The Output 3 LED lights to indicate that outpu[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-16 Using presets The current configuration (configuration 0) can be saved as a pr eset in any one of 16 preset memory addr esses. Each switch has as many pr esets available from the front panel as it has input and output buttons. For example, the MVX 44 has 8 presets (4 [...]

3-17 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 2 . Press and r elease the Input 1 button (figure 3-27). All LEDs but Input 1 and the Preset LED go out. The Input 1 LED and Pr eset LED remain lit for 1 second to indicate the saved pr eset number and then go out. 2 1 3 PRESET 2 4 1 3 4 3 4 OUTPUTS INPUTS Press and release the Input 1 b[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-18 2 . Press and r elease the Input 1 button (figure 3-29). All LEDs but Input 1 and the Preset LED go out. The Input 1 LED and Pr eset LED remain lit for 1 second to indicate the r ecalled preset number and then go out. 2 1 3 2 1 INPUTS 3 PRESET 3 4 OUTPUTS Press and re[...]

3-19 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation In Audio Setup mode, whichever input is selected for adjustment is automatically tied to output 1. Y ou can connect a VU meter or an audio system to output 1 to measure or monitor the audio while you perform adjustments. There are two ways to measure the audio level during audio setup: ?[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-20 5 . Press and r elease the Audio Setup button to save the level value in memory and to exit Audio Setup mode. The Audio Setup LED turns off. • After approximately 30 seconds of fr ont panel inactivity , the switcher saves the most recent input gain or attenuation le[...]

3-21 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation a . If one or more output LEDs are lit AND the +dB LED is lit , press and release the button repeatedly until the highest-number ed lit output LED goes out. Count the button pr esses. In example 8 , assume a value of +8 dB. It will take three pr esses of the button for the Output 1 LED t[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-22 If another input button is pressed and released, the gain value for the curr ent input is saved and the gain value for the newly selected input is displayed. 4 . Press and r elease the Audio Setup button (figure 3-34). All audio changes are saved. I/O AUD VID AUDIO SE[...]

3-23 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3 . Press and r elease the and buttons simultaneously (figure 3-37). Simultaneously press and release the button and b utton. AUDIO SETUP The Audio Setup LED blinks off and then relights. Figure 3-37 — Reset the selected input level 4 . If desired, r eset other inputs’ audio levels b[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-24 Front panel security lockout ( Executive mode) The MVX Series switchers have a front panel security lockout featur e ( Executive mode) that limits the operation of the switcher from the fr ont panel and optional IR remote contr ol. When the switcher is locked, the Ent[...]

3-25 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation Resetting the system to factory defaults T o reset a switcher to the factory default settings, press and hold the I/O button on the front panel while applying AC power (figure 3-42). Continue to hold the I/O button until all LEDs light and then release the I/O button. The power up sequen[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-26 Optimizing the Audio Each individual input audio gain can be adjusted within a range of -18 dB to +10 dB to eliminate noticeable volume differ ences between sources and to achieve the best headroom and signal-to-noise ratio. Adjust the audio level as follows: 1 . Conn[...]

3-27 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation W orksheets Rather than trying to remember the configuration for each pr eset, use worksheets to record this information. Make copies of the blank worksheet on page 3-31 and use one for each preset configuration. Cr oss out all unused or inactive inputs and outputs. If applicable, use di[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-28 Worksheet example 2: Daily configuration Figure 3-44 continues fr om worksheet example 1 by showing the video and audio ties that make up the configuration of preset 1. A solid ink line shows video ties and a dashed pencil line shows the audio ties. In this example: ?[...]

3-29 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation Worksheet example 3: T est configuration The A/V system in our fictional organization needs to be fine tuned on a r egular basis. Figure 3-45 shows a typical test configuration, with an Extr on video test generator (input 8) generating a test pattern to all monitors (outputs 1, 2, 3, 4, [...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-30[...]

3-31 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 1 2 345 67 8 Input sour ces Output destinations Preset # Title: Video: A udio: Fill in the preset number and use colors, or dashes , etc. to make connecting lines. Indicate if the configuration is f or Video, A udio , or both. 12 345 67 8 Configuration worksheet[...]

Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-32[...]

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers 4 Chapter Four Remote Operation Simple Instruction Set Control Matrix Switchers Control Program[...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-2 Remote Operation The MVX VGA Series switchers can be remotely controlled via the switcher ’s rear panel RS-232 connector (figure 4-1) or using an optional infrared Small Matrix Universal Remote Control (figur e 4-2). Pin RS-232 Function 1 — Not used 2[...]

4-3 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation Switcher -initiated messages When a local event such as a front panel operation or an IR 501 command string occurs, the switcher responds by sending a message to the host. The switcher - initiated messages are listed below (underlined). The switcher does not expect a response fr om[...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-4 Switcher error r esponses When the switcher receives an SIS command and determines that it is valid, it performs the command and sends a response to the host device. If the switcher is unable to perform the command because the command is invalid or contai[...]

4-5 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation Command/response table for SIS commands Command ASCII Command Response Additional description (host to switcher) (switcher to host) Create ties 1. Commands can be made back-to-back, with no spaces. For example: 1*1!02*02&003*003$4*4!. 2. The quick multiple tie and tie input to [...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-6 Command/response table for SIS commands (cont’d) Command ASCII Command Response Additional description (host to switcher) (switcher to host) RGB mute commands RGB mute X3 *1B Vmt X3 *1 Mute output X3 video (RGB off). RGB unmute X3 *0B Vmt X3 *0 Unmute o[...]

4-7 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation Command/response table for SIS commands (cont’d) Command ASCII Command Response Additional description (host to switcher) (switcher to host) Global presets Save current configuration as pr eset X1 0 , Spr X1 0 Command character is a comma. Example : 8, Spr08 Save current ties as [...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-8 Command/response table for SIS commands (cont’d) Command ASCII Command Response Additional description (host to switcher) (switcher to host) Resets Reset global presets Esc ZG Zpg Clear all global presets. Reset individual global preset Esc X1 0 ZG Zpg [...]

4-9 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation Command/response table for SIS commands (cont’d) Command ASCII Command Response Additional description (host to switcher) (switcher to host) Firmware upload Upload firmware Esc upload See Loading firmware using and SIS command below . Information requests Information request IV X[...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-10 4 . Click T ransfer > Send text file... . 5 . Click the Files of type: dr op box and select All files (*.*) . 6 . Navigate to the folder where you saved the firmwar e upgrade file. Select the file (figure 4-4). Ensure that the firmwar e upgrade is for[...]

4-11 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation Matrix Switchers Control Pr ogram The Extron Matrix Switchers Contr ol Program accompanies the MVX Series VGA switchers. The program, which communicates with the switcher via the RS-232 port, provides an easy way for you to set up ties and sets of ties. The program is compatible w[...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-12 a . If you selected a comm port , check that the baud rate displayed in the comm port selection window is the switcher ’s rate of 9600. If you need to change the baud rate, click the Baud button and double-click on 9600. Click OK and proceed to step 3 [...]

4-13 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation Figure 4-8 — Sample program window (complete) 4. T o set up audio to follow video (audio and video have the same tie configuration), select the Follow checkbox at the bottom of the window . T o set up audio to breakaway (audio and video have dif ferent tie configurations), desel[...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-14 Updating the firmware The firmware upgrade utility pr ovides a way to replace the firmwar e that is coded on the switcher ’s control boar d without taking the switcher out of service, opening the switcher enclosure, and r eplacing the firmware chip. Up[...]

4-15 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation V alid firmware files must have the file extension “.S19”. Any other file extension is not a firmware upgrade. 5 . Click the Open button. A status bar , which shows the progr ess of the upload, appears in the Firmware Loader window (figure 4-10). The firmwar e upload to the sw[...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-16 Windows buttons, drop boxes, and trash The buttons on the right side of the window perform the following functions: Power — Unavailable for MVX switcher , because the switcher power cannot be controlled via softwar e. Executive mode (front panel securi[...]

4-17 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation T ools menu — Assign device icons — Displays the complete set of input and output device icons. Y ou can drag any of these icons to the input and output boxes. Edit device palette — Allows you to add your own device icon graphics. RGB delay settings — Displays the RGB Dela[...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-18 Mute-output settings — Displays the RGB Delay/Mute/Output-V olume Adjust window (figure 4-1 1), which allows you to mute and unmute the video and audio output for a single output or for all outputs. This window also displays the RGB delay and output vo[...]

4-19 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation T ies as crosspoints — Displays ties as a grid of inputs and outputs (figure 4-14). Curr ent ties are indicated as orange (video and audio), green (video only), or red (audio only) boxes. New ties that will take effect when you click the T ake button are indicated by +. T ies th[...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-20 Master-Reset selection — Master-Reset clears all ties and presets, clears all video and audio mutes, sets all input audio gain to unity gain (+0 dB), and sets all output levels to the factory default (professional level, +4 dBu). Using Emulation mode E[...]

4-21 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation Using the help system For information about program featur es, you can access the help program in any of the following ways: • From the Extr on Electronics pr ogram folder or group, double-click on the Matrix Switcher Help icon (shown at left). • From within the Matrix Switche[...]

Remote Operation, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Remote Operation 4-22[...]

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers A Appendix A Specifications and Part Numbers Specifications Part Numbers[...]

Specifications and Part Numbers, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Specifications and Part Numbers A-2 Specifications and Part Numbers Specifications Video Routing MVX 44 VGA A ................ 4 x 4 matrix MVX 48 VGA A ................ 4 x 8 matrix MVX 84 VGA A ................ 8 x 4 matrix MVX 88 VGA A ................ 8 x 8[...]

A-3 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Specifications and Numbers Sync Input type ..................................... RGBHV, RGBS, RGsB, RsGsBs, component video (bi-level and tri-level sync), S-video, composite video Output type .................................. RGBHV, RGBS, RGsB, RsGsBs , component video (bi-level and tri-level sync[...]

Specifications and Part Numbers, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Specifications and Part Numbers A-4 Audio output Output gain .................................. 0 dB unbalanced (Consumer) or +12 dB balanced (Pro), selectable; default = +12 dB, balanced, when output level is set to “Pro” Number/signal type MVX 44/84 VGA A[...]

A-5 MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Specifications and Numbers Part Numbers MVX Series VGA switchers Part Part # MVX 44 VGA A video and audio switcher 60-635-21 MVX 48 VGA A video and audio switcher 60-636-21 MVX 84 VGA A video and audio switcher 60-637-21 MVX 88 VGA A video and audio switcher 60-638-21 Included parts Part Part # Rac[...]

Specifications and Part Numbers, cont’d MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Specifications and Part Numbers A-6 Cable assemblies Part Part # VGA male to male cable, 3' to 50' (0.91 m to 15.24 m) MHRA (molded) 26-490- nn VGA male to male cable, 3' to 50' (0.91 m to 15.24 m) MHRA (backshell) 26-490- nn VGA male to mal[...]

FCC Class A Notice Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses and can rad[...]

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