Extron electronic IN1508 manual Horizontally, Compressed, Image is stretched Active lines may be

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Problem	Possible cause	Solution
The image is stretched Total pixels may be set		Select Picture>Advanced>Total
horizontally.	too high.	Pixels and reduce the setting to
		match the input signal.

	Active pixels may be	Select Picture>Advanced>Active
	set too low.	Pixels and increase the setting to
		match the input signal.

The image is	Total pixels may be set	Select Picture>Advanced>Total
compressed	too low.	Pixels and increase the setting to
horizontally.		match the input signal.

	Active pixels may be	Select Picture>Advanced>Active
	set too high.	Pixels and reduce the setting to
		match the input signal.

The image is stretched Active lines may be		Select Picture>Advanced>Active
vertically	set too low.	Lines and increase the setting to
		match the input signal.

The image is	Active lines may be	Select Picture>Advanced>Active
compressed vertically. set too high.		Lines and reduce the setting to
		match the input signal.

The image is cropped	Input horizontal	Select Picture>Advanced>
on the left.	start may be set too	H Start and reduce the setting
	high.	to match the input signal.

	Horizontal position	Press the front panel Center button
	may be set too far to	and shift the image to the right.
	the left.

	Display may be set	Use the display’s position or size
	incorrectly.	controls to fit the image on the
		display.

The image is cropped	Input horizontal	Select Picture>Advanced>
on the right.	start may be set too	H Start and increase the
	low.	setting to match the input signal.

	Horizontal position	Press the front panel Center button
	may be set too far to	and shift the image to the left.
	the right.

	Display may be set	Use the display’s position or size
	incorrectly.	controls to fit the image on the
		display.

The image is cropped	Input vertical start	Select Picture>Advanced>
on the top.	may be set too high.	V Start and reduce the setting
		to match the input signal.

	Vertical position may	Press the front panel Center button
	be set too far to the top. and shift the image down.

	Display may be set	Use the display’s position or size
	incorrectly.	controls to fit the image on the
		display.

IN1508 Scaling Presentation Switcher • Operation 3-41

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Contents IN1508 Precautions FCC Class a Notice Quick Start IN1508 Scaling Presentation Switcher Front Panel Controls Table of Contents Table of Contents, cont’d IN1508 Scaling Presentation Switcher Table of Contents Iii Iv IN1508 Scaling Presentation Switcher Table of Contents One Introductiontroduction, cont’d IN1508 Scaling Presentation Switcher Introduction DVI videoStandard DVI cable FeaturesIN9700 cable IN1508 Scaling Presentation Switcher Introduction Introduction, cont’d IN1508 Scaling Presentation Switcher Introduction Introduction, cont’d Two Tabletop use Mounting the SwitcherRack mounting Cabling and Rear Panel Views Power connectionVideo connections Installation, cont’d Audio connectionsConfiguration Remote Control Battery InstallationRS-232 connection Installation, cont’d Three IN1508 Scaling Presentation Switcher Operation Front Panel Controls and IndicatorsInfrared sensor Input controls Input selection buttons and LEDsOperation, cont’d Output Rate selectionPicture-in-Picture controls PIP buttonsPicture Controls buttons Menu control buttonsRemote Control Buttons Desired buttons on the remote. The maximumPicture-In-Picture PIP buttons The PIP Input Selection buttons The Input SelectionOperation, cont’d Power Operations10 IN1508 Scaling Presentation Switcher Operation Picture-in-picture mode operationInput selection operation PIP mode input selection and swap operations 12 IN1508 Scaling Presentation Switcher Operation Menu system operationSelection boxes and status indicator bars Buttons14 IN1508 Scaling Presentation Switcher Operation Status indicator bar controlSelection box control For menu system operation For picture control button operationMain menu system 16 IN1508 Scaling Presentation Switcher OperationInput submenu Center selection Size selectionZoom selection Pan selectionOperation, cont’d Brightness status indicator bar Contrast status indicator barColor status indicator bar Tint status indicator bar20 IN1508 Scaling Presentation Switcher Operation Output submenuRefresh Rate selection box Resolution selection boxSync Polarity selection box Signal Type selection box Output Volume status indicator barInput Gain/Attenuation status indicator bar 22 IN1508 Scaling Presentation Switcher OperationAudio Delay selection box Advanced submenuFreeze selection box Blank selection boxPIP Mode selection box Fade Switch selection boxBlue Mode selection box Reset selection boxPerforming a system reset from the front panel Picture adjustments26 IN1508 Scaling Presentation Switcher Operation Press again20 Picture adjustments flowchart, IR remote control buttons 28 IN1508 Scaling Presentation Switcher Operation Sharpness status indicator bar, on Setting up a DVD source Resolution and refresh rates30 IN1508 Scaling Presentation Switcher Operation Optimizing the VideoCRT displays selecting the optimum resolution CRT displays selecting the optimum refresh rate32 IN1508 Scaling Presentation Switcher Operation CRT DisplaysInput submenu’s Advanced selections 22 Input submenu’s Advanced selections23 Advanced input settings 34 IN1508 Scaling Presentation Switcher OperationHorizontal Start and Vertical Start status indicator bars 24 Incorrectly started imageActive Pixels and Active Lines status indicator bars 36 IN1508 Scaling Presentation Switcher OperationHorizontal rate = 31.5 kHz, vertical rate 60 Hz Phase status indicator bar Total Pixels status indicator bar38 IN1508 Scaling Presentation Switcher Operation Optimizing the Audio TroubleshootingGeneral checks Specific problems 40 IN1508 Scaling Presentation Switcher OperationHorizontally CompressedImage is stretched Active lines may be Vertically42 IN1508 Scaling Presentation Switcher Operation Problem Possible cause Solution Total pixels setting Active lines settingSetting cannot be Horizontal start44 IN1508 Scaling Presentation Switcher Operation Four Host-to-Switcher Instructions Switcher-Initiated MessagesSwitcher Error Responses IN1508 Scaling Presentation Switcher Serial CommunicationsUsing the Command/Response Table Symbol definitionsCommand/response table for SIS commands Command Ascii Command Response Additional descriptionCommand/response table for SIS commands cont’d Zoom Audio mute Command/response table for special function SIS commands Command/Response Table for Special Function SIS CommandsInput aspect ratio DVI auto-detect DVI input 8 only AAppendix a Specifications and Part Numbers SpecificationsAudio Part Numbers Included partsSuggested adapters CablesHigh performance DVI cables Cable Part number Specifications and Part Numbers, cont’d Extron’s Warranty Asia JapanExtron Electronics, Europe Beeldschermweg 6C

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