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Extron electronic SW AV manual Audio output, dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu

Models: SW AV

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Audio

Audio

Gain	Adjustable
	When gain is set to unity (0 dB), balanced output from captive screw
	connectors or unbalanced output from RCA connectors will have a 0 dB
	gain; unbalanced output from captive screw connectors will be attenuated
	by 6 dB.
Frequency response	20 Hz to 20 kHz, ±0.5 dB
THD + Noise	<0.04% @ 1 kHz at nominal level
S/N	>90 dB at maximum output (unweighted)

Audio input Number/signal type

SW 6/8/12V, SW 4/6/8/12AV, SW 6/8/12 SV, SW 4/6/8/12SVA, SW 6/8/12A

4, 6, 8, or 12 (depending on the model) stereo, balanced/unbalanced SW 4/6/8/12AV RCA, SW 4/6/8/12SVA RCA, SW 6/8/12A RCA

4, 6, 8, or 12 (depending on the model) stereo, unbalanced

Connectors

SW 6/8/12V, SW 4/6/8/12AV, SW 6/8/12 SV, SW 4/6/8/12SVA, SW 6/8/12A

4, 6, 8, or 12 (depending on the model) 3.5 mm captive screw connectors, 5 pole

SW 4/6/8/12AV RCA, SW 4/6/8/12SVA RCA, SW 6/8/12A RCA

8, 12, 16, or 24 (depending on the model) RCA female

Impedance	>25k ohms unbalanced, 50k ohms balanced, AC/DC coupled
Nominal level	+4 dBu (1.23 Vrms), 0 dBu (0.775 Vrms), -10 dBV (316 mVrms), -20 dBV
	(100 mVrms), configurable
Maximum level	>+15 dBu, (balanced or unbalanced) at 1% THD+N
Input gain adjustment	–18 dB to +24 dB, adjustable per input

0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu.

Audio output

Number/signal type

SW 6/8/12V, SW 4/6/8/12AV, SW 6/8/12 SV, SW 4/6/8/12SVA, SW 6/8/12A 2 stereo, balanced/unbalanced

SW 4/6/8/12AV RCA, SW 4/6/8/12SVA RCA, SW 6/8/12A RCA 1 stereo, unbalanced

1 stereo, balanced/unbalanced

Connectors

SW 6/8/12V, SW 4/6/8/12AV, SW 6/8/12 SV, SW 4/6/8/12SVA, SW 6/8/12A

(2) 3.5 mm captive screw connectors, 5 pole

SW 4/6/8/12AV RCA, SW 4/6/8/12SVA RCA, SW 6/8/12A RCA

2 RCA female

(1) 3.5 mm captive screw connector, 5 pole

Impedance	50 ohms unbalanced, 100 ohms balanced
Gain error	±0.1 dB channel to channel
Nominal level	+4 dBu (1.23 Vrms), 0 dBu (0.775 Vrms), -10 dBV (316 mVrms), -20 dBV
	(100 mVrms), configurable
Maximum level (Hi-Z)	>26 dBu, balanced; >+20 dBu, unbalanced at 1% THD+N
Maximum level (600 ohm)	>21 dBm, balanced; >+15 dBm, unbalanced at 1% THD+N

SW AV Series Switchers • Specifications and Part Numbers

A-3

Image 45

Extron electronic SW AV manual Audio output, dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu

Contents

Video and Audio Switchers SW AV Series68-644-01 Rev. E Safety Instructions English PrecautionsConsignes de Sécurité Français Sicherheitsanleitungen DeutschInstallation Quick Start - SW AV Series SwitchersStep 1 - Power down Step 7 - Power upPower Quick Start - SW AV Series Switchers, cont’dSwitching inputs Video switchers must be in normal manual modeSW AV Series Switchers Table of Contents Table of ContentsTable of Contents, cont’d ii SW AV Series Switchers Table of ContentsContact Closure Control SW 4 and SW 6 Models Only About the Switchers Features SW AV Series SwitchersChapter1One IntroductionFeatures About the SwitchersVideo switchers 1-2 SW AV Series Switcher IntroductionInputs SW AV Series Switchers IntroductionOutputs ModelCaptive screw connector A models Audio switchersRCA connector A RCA models 1-4 SW AV Series Switcher IntroductionSW AV Series Switchers Introduction All switcher modelsIntroduction, cont’d 1-6 SW AV Series Switcher IntroductionInstallation Overview Mounting the Switcher InstallationChapter2Two Cabling and Rear Panel ViewsInstallation Overview Installationstallation, cont’dMounting the Switcher Rack mounting the switcherFigure 2-1 - Mounting the switcher SW AV Series Switchers InstallationCabling and Rear Panel Views Figure 2-2 - SW 4AV composite video switcher with audio Installation, cont’d2-4 SW AV Series Switchers Installation Video input and output connections video models onlyFigure 2-5 - Captive screw connector wiring for audio output Figure 2-4 - Captive screw connector wiring for audio inputsSW AV Series Switchers Installation Balanced Stereo InputRemote connection 2-6 SW AV Series Switchers InstallationExternal sync connection Figure 2-6 - RS-232 or Remote portFigure 2-7 - Simple external sync connection example Power connectionFigure 2-8 - Multiple device external sync connection example SW AV Series Switchers InstallationInstallation, cont’d 2-8 SW AV Series Switchers InstallationOptimizing the Audio Audio Switchers Front Panel Controls and Indicators Front Panel OperationsTroubleshooting - If No Image Appears Chapter3Threeswitch mode Front Panel Controls and Indicators3-2 SW AV Series Switchers Operation Operationeration, cont’dFigure 3-1 - SW 8A front panel SW AV Series Switchers OperationFigure 3-2 - SW 6SV front panel Figure 3-3 - SW 12VA RCA front panelInput selection controls and indicators Audio/Video selection control and indicators audio switchersThis button has no function on audio-only switchers 3-4 SW AV Series Switchers OperationAudio controls and indicators audio switchers Autoswitch mode controls and indicator video switchersSW AV Series Switchers Operation Power Executive mode controls and indicatorSwitching inputs This LED will never light on audio-only switchers1. Video autoswitching models must be in normal manual mode Video AND audio switchersExample 2 Select a video input only video AND audio switcher Example 1 Select an inputExample 3 Select an audio input only video AND audio switcher Adjusting audio gain and attenuation audio switchersVideo switchers must be in normal mode 3-8 SW AV Series Switchers OperationEach time you press and release the or button, wait for the or Example 4 Adjust the audio levelnot increment or decrement the audio level Figure 3-8 - Example 4 Viewing the audio level3-10 SW AV Series Switchers Operation Figure 3-9 - Example 4, step E Adjusting the audio levelIf one or more input LEDs are lit AND the +dB LED is lit , press and If one or more input LEDs are lit AND the -dB LED is lit , press andAudio level reset - single input Switch modeadjustment mode Audio level reset - all inputsExecutive mode front panel security lockout Optimizing the Audio Audio Switchers3-12 SW AV Series Switchers Operation MemorySW AV Series Switchers Operation Troubleshooting - If no Image AppearsOperation, cont’d 3-14 SW AV Series Switchers OperationInfrared Remote Control SW4 and SW6 Models Only Remote ControlChapter4Four Simple Instruction Set Control Windows-Based Program ControlFigure 4-1 - Remote connector pinout Host-to-switcher communications4-2 SW AV Series Switchers Remote Control RemoteControl,cont’dError responses Switcher-initiated messagesTimeout Using the command/response tableCommand/Response Table for SIS Commands Remote Control, cont’dSymbol definitions CommandCommand Command/Response Table for SIS Commands ContinuedASCII Command SW AV Series Switchers Remote ControlUsing the software Installing the softwareFigure 4-2 - Universal Switcher program window 4-6 SW AV Series Switchers Remote ControlUsing the help system Infrared Remote ControlAutoswitching models models with video must be in normal manual mode Contact Closure Control SW 4 and SW 6 Models OnlyRemote Control, cont’d 4-8 SW AV Series Switchers Remote ControlSpecifications Part Numbers Specifications and Part NumbersAAppendix A SW AV Series SwitchersA-2 SW AV Series Switchers Specifications and Part Numbers Specificationsecifications, cont’dVideo Video outputAudio SW AV Series Switchers Specifications and Part NumbersAudio output 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBuControl/remote - switcher Specifications, cont’dSpecifications are subject to change without notice SwitcherSwitcher continued Optional accessoriesCables Extron PartA-6 SW AV Series Switchers Specifications and Part Numbers Super High Resolution CableBulk cables Specifications, cont’dFCC Class A Notice Extron’s WarrantyUSA, Canada, South America Europe, Africa, and the Middle EastExtron Electronics, Europe Extron Electronics, USAExtron Electronics, Asia Extron Electronics, Japan