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User’s Manual
Audio/Video Switchers
SW6 AV MX
SW6 AV MX AS
SW6 CV MX
SW6 CV MX AS
SW6 SA MX
SW6 SV MX
SW6 SV MX AS
SW6 SV A MX
SW6 SV A MX Auto
Extron Electronics, USA Extron Electronics, Europe Extron Electronics, Asia Extron Electronics, Japan
1230 South Lewis Street Beeldschermweg 6C 135 Joo Seng Road, #04-01 Daisan DMJ Building 6F
Anaheim, CA 92805 3821 AH Amersfoort PM Industrial Building 3-9-1 Kudan Minami
68-293-01
USA The Netherlands Singapore 368363 Chiyoda-ku, Tokyo 102-0074 Japan
714
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Precautions Safety Instructions • English Warning Extron’s Warranty Power sources This equipment should be operated only from the power source This symbol is intended to alert the user of important indicated on the product. This equipment is intended to be used with a main operating and maintenance (servicing) instructions power system with a grounded (neutral) conductor. The third (grounding) pin is in the literature provided with the equipment. Extron Electronics warrants this product agains
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Table of Contents Chapter 1 Introduction .......................................................... 1-1 About the Audio and Video Switchers ...................... 1-2 Features ...................................................................................... 1-2 S-video models ....................................................................... 1-3 Composite video models ....................................................... 1-3 Audio models ............................................
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Table of Contents, cont’d Chapter 4 Remote Control .................................................. 4-1 Audio/Video Switchers Simple Instruction Set Control ....................................... 4-2 Host-to-interface communications ....................................... 4-2 Switcher-initiated messages .................................................. 4-3 Error responses ...................................................................... 4-3 Timeout ....................................
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Auto-sync detect Audio Composite video S-video Intr Introduction, cont’d oduction About the Audio and Video Switchers The Extron SW family of audio/video switchers are 6-input, RS-232 control 2-output composite video, S-video, and/or stereo audio SW 6 SV A MX switchers. The AS and Auto versions are functionally identical, 100-240VAC 50/60Hz but also include an auto-sync detect mode. Auto-sync detect mode, when enabled, automatically selects the highest REMOTE 900 mA MAX numbered input with a v
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Introduction, cont’d Auto models Audio/Video Switchers Auto-sync detect — Auto or AS models continuously monitor all inputs and automatically switch to the highest- numbered input with video sync pulses present. If video is absent from all inputs, no input is selected. The auto version can operate in either normal (manual switch) or auto-switch mode. All models Front panel control — The operator can select the input and set the audio gain and attenuation for each input using the front panel bu
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S-VIDEO AND AUDIO SWITCHER SW 6 SV A MX AUTO S-VIDEO AND AUDIO SWITCHER SW 6 SV A MX AUTO Installation, cont’d Installation Installation Overview Rear Panel Cabling To install and set up an Extron A/V switcher for operation, All connectors are on the rear panel. Depending on the model follow these steps: of the switcher, the type and layout of the connectors on the rear panel will vary. Figure 2-2 shows the rear panel of the 1 Turn off all of the equipment that will be connected to the SW6 SV
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Installation, cont’d Audio models Signal output connections Connections for balanced and unbalanced audio inputs — 3 S-video models Each input has a 3.5 mm, 5-pole captive screw S-video output connectors — Connect S-video displays to these connector for balanced or unbalanced stereo 4 two 4-pin mini DIN connectors. audio input. Connectors are included with each A/V switcher, but you must supply the Composite video models audio cable. See figure 2-4 to wire a Composite video output connectors —
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Installation, cont’d See chapter 4, RS-232/Remote Control for definitions of the SIS commands, details on how to install and use the control VCR software, and information on how to make a remote contact closure device. Monitor VGA input VSC 150 External sync connection When the switching between inputs, the resulting image change SW6 SV A MX should be seamless, or clean. The A/V switchers can use an external signal to synchronize switching during the vertical interval. Without the external syn
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Installation, cont’d Audio/Video Switchers Chapter Three 3 Operation Front Panel Controls and Indicators Front Panel Operations Memory Troubleshooting — If no image appears Audio/Video Switchers Installation 2-8
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Operation, cont’d Operation As a secondary function on auto-sync detect models, the button Front Panel Controls and Indicators is used with the input 1 button to select normal mode. See Figure 3-1 shows the controls and indicators on the front panel Normal and auto sync mode in this chapter. of the SW6 CV MX switcher, which is video only and has no auto-sync detect capabilities. Figure 3-2 shows the front panel Input 3/Auto button — The input 3/Auto button selects input 3 4 of the SW6 SV A MX
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Operation, cont’d output video using each device’s own operating instructions. When changing mode, if the input 1/Mode button is Select an input. The image should appear on the screen. released too soon (before the input 2 or 3 LED begins to blink), input 1 may be selected. Selecting an input Audio gain and attenuation To select an input using the front panel buttons, press and release the button for the desired input (auto-sync detect The audio level of each input can be displayed and adjusted
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Operation, cont’d 1. There is one audio level setting per input. The E E setting is shared by the left and right audio inputs. D B1 D 2. The audio level settings are stored in non-volatile memory. When power is removed and restored, the audio level settings are retained. Viewing and adjusting an audio level -1dB See figure 3-3 and figure 3-4 and the following steps for an D LED key: = off (value 0 dB), example of viewing and adjusting the audio level on a switcher B1 = slow blink (value
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Operation, cont’d Audio/Video Switchers Chapter Four 4 RS-232/Remote Control Simple Instruction Set Control Windows-Based Program Control Contact Closure Remote Control Infrared Remote Control Audio/Video Switchers Operation 3-8
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RS-232/Remote Control, cont’d The A/V switchers’ rear panel Remote connectors (Figure 4-1) Switcher-initiated messages can be connected to the serial port output of a host device, such When a local event, such as a front panel operation or error as a computer or control system, to an Extron IR 20 Universal condition, occurs, the switcher responds by sending a message SYS 4/8/10/AV remote control, or to a remote contact closure to the host. The switcher-initiated messages are listed below: devic
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RS-232/Remote Control, cont’d Using the command/response table The command/response table is on the next page. Lower case letters are allowed in the command field only as indicated. Symbols are used throughout the table to represent variables in the command/response fields. Command and response examples are shown throughout the table. The ASCII to HEX conversion table below is for use with the command/response table. Symbol definitions = CR/LF (carriage return/line feed) (0x0D 0A) = space =
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RS-232/Remote Control, cont’d Windows-Based Program Control The Universal Switcher Control Program, part #29-031-01, is compatible with Windows 3.1/3.11, Windows 95/98, Windows NT, Windows ME, and Windows 2000 and provides remote control of the following: Input selection (including audio breakaway for models with video and audio) Audio gain and attenuation adjustments (audio models) Front panel switch mode selection (auto-switching models) Updates to this program can be downloaded from the
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RS-232/Remote Control, cont’d Shorting the contact closure pin to override the front Audio/Video Switchers panel selection will work for all inputs on non auto- switching models. On auto-switching models, only the contact closure pins for inputs 2 through 6 can be shorted in this fashion. If pin 1 is connected to ground for an extended period on an auto-switch model, input 1 is not selected. Rather, the LEDs alternately display the previously selected input and blink the current front panel m
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Specifications, cont’d Specifications Input level ..................................... 0.3V to 5.0V p-p ........ SW 6 SV A MX Video 0.5 to 5.0V p-p ........... all other models Gain ............................................... Unity Output level .................................. TTL ............. 4V to 5V p-p Bandwidth .................................... 30 MHz (-3dB) Polarity .......................................... Positive or negative (follows input) Differential phase error .........
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Accessories and Part Numbers, cont’d 0dBu = 0.775 volts (RMS). Included Parts Included parts Part number Control/remote — switcher Switcher Serial control port ........................ RS-232, 9-pin D female connector SW6 AV MX 60-208-01 Baud rate and protocol ............... 9600, 8-bit, 1 stop bit, no parity Serial control pin configurations 2 = TX, 3 = RX, 5 = GND SW6 AV MX AS 60-208-22 Contact closure ............................ 9-pin D female SW6 CV MX 60-205-01 Contact closure pin configu
