Extron electronic SW AV manual Not increment or decrement the audio level

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number of 1 dB steps you increment or decrement the audio level (see step 4), you can determine the exact gain or attenuation setting.

The +dB LED on indicates a positive (gain) level. The -dB LED on indicates a negative (attenuation) level. Both LEDs on indicate 0 dB.


4.	Press and release the		and	buttons to increase and decrease the audio
	level by 1 dB or press and hold the buttons to increase or decrease the level by
	3 dB per second. The		and	LEDs flash to indicate each 1 dB level change.
		Each time you press and release the or button, wait for the or

		LED to flash before pushing the button again. Pressing the button early may
		not increment or decrement the audio level.
5.	Press and hold the Audio Conf/Save button until the Audio Conf/Save LED
	turns off to save the gain value in memory and exit the audio display and
	adjustment mode.

1. There is one audio level setting per input. The setting is shared by the left and right audio inputs.

2. The audio level settings are stored in non-volatile memory. When power is removed and restored, the audio level settings are retained.

Example 4: Adjust the audio level

See figure 3-8 and figure 3-9 (on page 3-10) for an example in which the audio level is adjusted.

Press and hold

Press I/O		Press			LED key:		= off,	= on,	B = blinking		C
A	VIDEO	B								B
	AUDIO									CONF/SAVE

I/O		1	2	3	4	5	6	7	8	AUDIO

VIDEO
AUDIO	-dB	+dB
	CONF/SAVE

DD

DIndicates +6 dB to +11 dB range

Figure 3-8 — Example 4: Viewing the audio level

A(Video AND audio switchers) Press and release the I/O button as necessary to select audio (or audio and video). The audio LED lights in either case.

BPress and release an input button to select an input. The associated input LED lights.

CPress and hold the Audio Conf/Save button until the Audio Conf/Save LED starts blinking.

DThe gain or attenuation value is displayed in the input 1 through 4 LEDs. In figure 3-8, the LED readout shows a range of +6 dB to +11 dB.

SW AV Series Switchers • Operation 3-9

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Contents SW AV Series Precautions SW AV Series Switchers Quick Start QS-1 Quick Start SW AV Series SwitchersQuick Start SW AV Series Switchers, cont’d Table of Contents Table of Contents, cont’d One Features About the SwitchersVideo switchers Introductiontroduction, cont’dInputs Outputs Model Captive SW AV Series Switchers IntroductionVideo Screw Audio All video modelsCaptive screw connector a models Audio switchersRCA connector a RCA models All audio modelsAll switcher models Introduction, cont’d Two Mounting the Switcher Installationstallation, cont’dInstallation Overview Cabling and Rear Panel Views Mounting the switcherAudio input and output connections audio models only Installation, cont’dVideo input and output connections video models only Captive screw connector wiring for audio inputs External sync connection Remote connectionSimple external sync connection example Power connectionInstallation, cont’d Three Operationeration, cont’d Front Panel Controls and IndicatorsSW AV Series Switchers Operation SW 8A front panel Operation, cont’d Input selection controls and indicatorsAutoswitch mode controls and indicator video switchers Audio controls and indicators audio switchersPower Executive mode controls and indicatorSwitching inputs Front Panel OperationsExample 1 Select an input Example 2 Select a video input only video and audio switcherVideo switchers must be in normal mode Adjusting audio gain and attenuation audio switchersNot increment or decrement the audio level Example 4 Adjust the audio levelExample 4, step E Adjusting the audio level Audio level reset all inputs Switch modeAudio level reset single input Memory Optimizing the Audio Audio SwitchersExecutive mode front panel security lockout Troubleshooting If no Image Appears Operation, cont’d Four SW AV Series Switchers Remote Control Host-to-switcher communicationsRemoteControl,cont’d Simple Instruction Set ControlError responses Switcher-initiated messagesTimeout Using the command/response tableCommand Ascii Command Response Additional description Remote Control, cont’dSymbol definitions Resets Windows-Based Program Control Installing the softwareUsing the software Contact Closure Control SW 4 and SW 6 Models Only Infrared Remote ControlUsing the help system Remote Control, cont’d AAppendix a Specifications and Part NumbersSW AV Series Switchers Specifications and Part Numbers Specificationsecifications, cont’dAudio Control/remote switcher Specifications, cont’dSwitcher Optional accessoriesCables Extron PartBulk cables Super High Resolution Cable Super High Resolution CableFCC Class a Notice Extron’s Warranty Extron Electronics, USA