Extron electronicメーカーPVS 204SAの使用説明書/サービス説明書
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PVS 204SA PoleV ault ™ Switcher 68-1217-01 Rev . D 09 08.
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.
Qu ic k St ar t — PVS 204SA Installation This Quick Start section deals specifically with quick connectivity and installation of the PVS 204SA PoleV ault ™ switcher . At this stage, it is assumed that all of the necessary cable routing has been completed, and that pr ojector ceiling hardwar e (e.
Quick Start — PVS 204SA, cont’d Step 5 Connect cables from the switcher ’s RGB and composite video output connectors to the inputs on the display device (e.g., projector). Step 6 Connect the speakers to the amplified outputs port on the rear of the switcher .
TOC-i PVS 204SA • T able of Contents T able of Contents PRELIMINAR Y Chapter 1 • Intro duction ............................................................................................................. 1-1 About this Manual ....................
TOC-ii PVS 204SA • T able of Contents T able of Contents, cont’d PRELIMINAR Y 68-1217-01 Rev . D 09 08 All trademarks mentioned in this manual are the properties of their respective owners. Clipping indicator ......................................
PVS 240SA 1 Chapter One Intr oduction About this Manual About the PVS 240SA Application Diagrams.
PVS 204SA Switcher • Introduction 1-2 Intr oduction About this Manual This manual covers the installation, operation, and conguration of the Extron PVS 204SA PoleV ault ™ Switcher . Throughout the manual, this switcher is interchangeably r eferred to as the PVS 204SA, PVS switcher , PoleV ault switcher , PVS, and switcher .
1-3 PVS 204SA Switcher • Introduction Features T wisted pair inputs — The switcher accepts two independent, high resolution RGB video and audio signals and two composite video and audio signals, transmitted on twisted pair cable from a sour ce up to 100' (30 m) away .
PVS 204SA Switcher • Introduction 1-4 Intr oduction, cont’d Application Diagrams L R AU X/MIX IN DO NO T G RO UND OR SHORT SPEAKER OUTPUTS! 1B 1A I N P U T S O U T P U T S 2B 2A 3B 3A RS-232 MLC/I.
1-5 PVS 204SA Switcher • Introduction L R AU X/MIX IN DO NO T G RO UND OR SHORT SPEAKER OUTPUTS! 1B 1A I N P U T S O U T P U T S 2B 2A 3B 3A RS-232 MLC/IR DC VO L 4/8 Ohms AMPLIFIED OUTPUT S VO L/MU.
PVS 204SA Switcher • Introduction 1-6 Intr oduction, cont’d.
PVS 240SA 2 Chapter T wo Installation UL/Safety Guidelines Mounting the Switcher Rear Panel Features and Cabling Speaker Configuration Labeling the A/V Inputs Final Setup.
PVS 204SA Switcher • Installation 2-2 Installation PRELIMINAR Y UL/Safety Guidelines The Underwriters Laboratories (UL) guidelines listed below pertain to the safe installation and operation of this switcher . Important safety instructions 1 . Read these instructions.
2-3 PVS 204SA Switcher • Installation PRELIMINAR Y Mounting the Switcher The PVS 204SA can be mounted on the Extron PMK 450 (Pole Mount Kit), which should be installed above the projector . The low prole of the PVS switcher and the PMK 450 allows them to be installed in tight spaces.
PVS 204SA Switcher • Installation 2-4 Installation PRELIMINAR Y Rear Panel Featur es and Cabling L R AU X/MIX IN 1B 1A I N P U T S O U T P U T S 2B 2A 4 3 RS-232 MLC/IR DC VO L 4/8 Ohms AMPLIFIED OU.
2-5 PVS 204SA Switcher • Installation N RJ-45 termination must comply with the TIA/EIA T 568A or 568B wiring standards for all connectors. The same standard MUST be used at both ends of all cables. N The RGB cables supplied with the PoleV ault system are terminated to the TIA 568A standard, as shown in figure 2-4.
Installation, cont’d PVS 204SA Switcher • Installation 2-6 PRELIMINAR Y N RJ-45 termination must comply with the TIA/EIA T 568A or 568B wiring standards for all connectors.
2-7 PVS 204SA Switcher • Installation ã Stereo and Dual Mono selection — T o select stereo or dual mono audio output, set the switch to the desired position. Dual mono sums left and right audio signals together and outputs the same signals on both audio output channels.
Installation, cont’d PVS 204SA Switcher • Installation 2-8 PRELIMINAR Y Control connection h RS-232/MLC/IR control port — The PVS switcher can be controlled via an RS -232 connection directly fr om a host computer , a control system, or a MediaLink Contr oller (MLC).
2-9 PVS 204SA Switcher • Installation PVS 204SA Switcher’ s rear panel RS-232/MLC/IR port NO TE If you use cable that has a drain wire, tie the drain wir e to ground at both ends.
Installation, cont’d PVS 204SA Switcher • Installation 2-10 PRELIMINAR Y RS-232/MLC/IR Tx Rx IR + 12V PVS 204SA Switcher’ s rear panel RS-232/MLC/IR port IR Link port AB C D E 150 feet (45.
2-11 PVS 204SA Switcher • Installation j Amplified Out — W ire and connect the supplied 4-pin 5 mm connector to this port, marked “L” and “R” (left and right) for 4 or 8 ohm speaker output. C Do not tie both L and R outputs to each other and/or to gr ound .
Installation, cont’d PVS 204SA Switcher • Installation 2-12 PRELIMINAR Y Connecting speakers to the PVS 204SA T o obtain the correct impedance loading for your specific speaker system, follow the relevant setup as shown below .
2-13 PVS 204SA Switcher • Installation Labeling the A/V Inputs Labeling and connecting the A/V input cables The RGB and composite video input ports on the rear of the PVS 204SA are color coded to aid easy identification of the input signal type.
Installation, cont’d PVS 204SA Switcher • Installation 2-14 PRELIMINAR Y Labeling the PVT Decora face plates T o help identify the input number and type of signal that any PVT Decora transmitter sends to the PVS switcher when the transmitter is installed, a series of small labels are supplied.
PVS 240SA 3 Chapter Thr ee Operation and Setup Front Panel Features and Operation Setting Switcher Modes Auto Switching Setting Up and Optimizing the Audio Resetting the Switcher Front Panel Security .
PVS 204SA Switcher • Operation and Setup 3-2 Operation and Setup PRELIMINAR Y Fr ont Panel Features and Operation PVS 204SA POLE VA UL T SWITCHER INPUTS 1 2 RGB MIN/MAX CLIP CONFIG AU X/MIX LEVEL 3 .
3-3 PVS 204SA Switcher • Operation and Setup PRELIMINAR Y f Min/Max LED — This red LED indicates when the range limits for the power amplifier level, Aux/Mix volume, or input gain level have been reached. See “Setting Up and Optimizing the Audio ”, later in this chapter , for details.
Operation and Setup, cont’d PVS 204SA Switcher • Operation and Setup 3-4 PRELIMINAR Y Setting the separate switcher mode via the front panel 1 . Press and hold input selection buttons 1 and 3 simultaneously for 4 seconds (see gure 3-4). All the input selection LEDs blink once .
3-5 PVS 204SA Switcher • Operation and Setup PRELIMINAR Y Setting Up and Optimizing the Audio The following steps ensure optimal sound is achieved by configuring the PVS 204SA properly . For each step, refer to the sections indicated for mor e information.
Operation and Setup, cont’d PVS 204SA Switcher • Operation and Setup 3-6 PRELIMINAR Y Gain control Individual channel input sensitivity control Individual channel input gain contr ol adjustments are made by r otating the encoder while pressing in the selected input button.
3-7 PVS 204SA Switcher • Operation and Setup PRELIMINAR Y Clipping indicator The clipping LED is a real time indicator of when the amplier is clipping. It ashes red when clipping is taking place (see gur e 3-7). MIN/MAX CLIP AU X/MIX LEVEL AU DIO This LED flashes when the amplifier output is clipping.
Operation and Setup, cont’d PVS 204SA Switcher • Operation and Setup 3-8 PRELIMINAR Y Fr ont Panel Security Lockout (Executive Mode) T o prevent accidental or unauthorized changes to settings, the PVS switcher has a front panel security lockout (executive mode) that limits users’ access to fr ont panel controls.
PVS 204SA 4 Chapter Four Serial Communication RS-232 Programmer’ s Guide Updating Firmware.
PVS 204SA • Serial Communication 4-2 Serial Communication PRELIMINAR Y The PVS 204SA switcher can be remotely set up and controlled via a host computer or other device (such as a control system) attached to the r ear panel RS-232/MLC/IR port.
4-3 PVS 204SA • Serial Communication PRELIMINAR Y Error r esponses When the PVS switcher receives a valid SIS command, it executes the command and sends a response to the host device. If the PVS is unable to execute the command because the command is invalid or it contains invalid parameters, it returns an err or response to the host.
Serial Communication, cont’d PVS 204SA • Serial Communication 4-4 PRELIMINAR Y X$ = 0 – 14, bass and treble adjustment range (+/- 10.5 dB: 1.5 dB increments/decr ements), default = 7 = 0 dB V alue (dB) 0 -10.5 1 -9 2 -7.5 3 -6 4 -4.5 5 -3 6 -1.5 7 0 8 +1.
4-5 PVS 204SA • Serial Communication PRELIMINAR Y Command/response table for SIS commands Command A S C I I C o m m a n d Response Additional description (host to switcher) (switcher to host) Input selection Select an input (video and audio) X! ! Chn X! ] (single sw .
Serial Communication, cont’d PVS 204SA • Serial Communication 4-6 PRELIMINAR Y V olume adjustment Set the overall output volume X^ V V ol X^ ] Specify the volume (0-100) for the audio output. Example : 27V V ol027 ] Set volume to 27. Increment the volume +V V ol X^ ] Increase audio output.
4-7 PVS 204SA • Serial Communication PRELIMINAR Y Command/response table for special function SIS commands The syntax for setting a special function is __ * X? #, where __ is the function number and X? is the value. T o view a function’s setting, use __#, where __ is the function number .
Serial Communication, cont’d PVS 204SA • Serial Communication 4-8 PRELIMINAR Y Updating Firmwar e If the need arises, you can update the PVS’s rmware without taking the unit out of service. Follow the directions below . Check the Extron W e b ( www .
4-9 PVS 204SA • Serial Communication PRELIMINAR Y 6. When the browser window opens, click Browse to locate and select the firmware file. 7. Select the firmware file and click Open to open the file. 8. Click Upload to upload the rmware le into the PVS 204SA.
Serial Communication, cont’d PVS 204SA • Serial Communication 4-10 PRELIMINAR Y 9. W ait until the status bar indicates completion. The note “T ransfer Complete!” is shown and the unit resets itself. 10. Click Exit to exit the pr ogram upon completion.
A Appendix A Refer ence Material Specifications Part Numbers and Accessories Audio Block Diagram Audio Reference Levels.
PVS 204SA Switcher • Reference Material A-2 PRELIMINAR Y Refer ence Material Specications N Wher e indicated by “ † ”, the relevant specification is given with the PVS operating as part of a system with proprietary Extr on PVT transmitters for this product.
A-3 PVS 204SA Switcher • Reference Material PRELIMINAR Y Video output — composite video Number/signal type ..................... 1 composite video Connectors .................................... 1 RCA female Nominal level .........................
Refer ence Material, cont’d PVS 204SA Switcher • Reference Material A-4 PRELIMINAR Y Audio output — power amplier Number/signal type .................... (1) stereo (default) or dual mono, 2 channels total Connectors .........................
A-5 PVS 204SA Switcher • Reference Material PRELIMINAR Y Part Numbers and Accessories These items are included in each or der for an PVS 204SA switcher: Included parts Included parts Replacement part number PVS 204SA switcher 60-800-01 Rubber feet (4) 12 VDC, 3 A external power supply , (1) 5-pole, 3.
Refer ence Material, cont’d PVS 204SA Switcher • Reference Material A-6 PRELIMINAR Y Speaker accessories Accessory Part number SI 3C LP , Full-Range Ceiling Speakers, 4" Low Pr ole Back Ca.
A-7 PVS 204SA Switcher • Reference Material PRELIMINAR Y Rig ht Ch anne l Le ft Ch anne l St ereo St ereo Mo no Su m Li mi te r + 1 2 3 4 Au x/ Mix In put + + (+ ) (- ) L 7 Po we r Am p lifie r Wi t.
Refer ence Material, cont’d PVS 204SA Switcher • Reference Material A-8 PRELIMINAR Y Audio Refer ence Levels The specifications for the audio source devices may be listed in one of several units.
Extr on’ s W arranty Extron Electr onics warrants this product against defects in materials and workmanship for a period of three years fr om the date of purchase.
Ex tron US A - We st Headquar te rs + 800 .6 33 .9 87 6 Insid e U S A / C anad a On ly +1 .7 14 .4 91 .1 50 0 +1 .7 14 .4 91 .1 51 7 FA X Ex tron US A - Eas t + 800 .6 33 .9 87 6 Insid e U S A / C anad a On ly +1 .9 19 .8 63 .1 79 4 +1 .9 19 .8 63 .1 79 7 FA X Ex tron EM EA + 800 .
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