Extron electronic manual Specific problems, 40 IN1508 Scaling Presentation Switcher Operation

Page 63

Operation, cont’d

Specific problems

The table below shows some common operating problems and their solutions.

Problem

Possible cause

Solution

No image appears.

Power.

Ensure that the video source, the

 

 

switcher, and the display are

 

 

plugged into a live AC power

 

 

source and that the switcher is

 

 

turned on.

 

 

 

 

No video input.

Check that the input device is

 

 

outputting a video signal.

 

 

 

 

No video output.

Press the Menu button. If the on-

 

 

screen display does not appear,

 

 

check the output connection.

 

 

 

 

The output signal is

Select an output rate that is

 

incompatible.

compatible with the display.

 

 

 

 

The output format is

Press and hold the front panel

 

incompatible for the

PIP On button while powering up.

 

display.

the switcher. The IN1508 toggles

 

 

between the RGB and YUV output

 

 

formats.

The display may not accept the output sync format.

Check the display’s sync capability and select the correct output sync.

Freeze mode was entered when the image was black.

Issue the SIS command 0F to deactivate freeze mode.

 

Video may be muted.

Issue the SIS command 1B to

 

 

disable video mute.

 

 

 

No audio output.

Power.

Ensure that the audio source, the

 

 

switcher, and the amplifier/

 

 

speakers are plugged into a live

 

 

AC power source and the switcher

 

 

is turned on.

 

 

 

 

The source is incorrect.

Ensure that the source is

 

 

connected to the correct input and

 

 

that the volume has not been

 

 

turned down or muted.

 

 

 

The output is incorrect. The IN1508 outputs line level

 

 

audio only. Ensure that it is

 

 

connected to a mixer/amplifier or

 

 

to amplified speakers.

 

 

 

 

Volume is too low.

Increase the volume using the

 

 

Audio submenu.

 

 

 

 

Audio may be muted.

Issue the SIS command 1Z to

 

 

disable audio mute.

 

 

 

The image is

The output signal is

Use the power up shortcuts to

scrambled.

incompatible.

select an output rate that is

 

 

compatible with the display.

 

 

 

3-40 IN1508 Scaling Presentation Switcher • Operation

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Page 62 Page 64
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 DVI video IN1508 Scaling Presentation Switcher IntroductionFeatures Standard DVI cableIN9700 cable IN1508 Scaling Presentation Switcher Introduction Introduction, cont’d IN1508 Scaling Presentation Switcher Introduction Introduction, cont’d Two Mounting the Switcher Tabletop useRack mounting Power connection Cabling and Rear Panel ViewsVideo connections Audio connections Installation, cont’dRemote Control Battery Installation ConfigurationRS-232 connection Installation, cont’d Three Front Panel Controls and Indicators IN1508 Scaling Presentation Switcher OperationInfrared sensor Input selection buttons and LEDs Input controlsOutput Rate selection Operation, cont’dPIP buttons Picture-in-Picture controlsMenu control buttons Picture Controls buttonsInput Selection buttons The Input Selection Remote Control ButtonsDesired buttons on the remote. The maximum Picture-In-Picture PIP buttons The PIPOperation, cont’d Operations PowerPicture-in-picture mode operation 10 IN1508 Scaling Presentation Switcher OperationInput selection operation PIP mode input selection and swap operations Menu system operation 12 IN1508 Scaling Presentation Switcher OperationButtons Selection boxes and status indicator barsStatus indicator bar control 14 IN1508 Scaling Presentation Switcher OperationSelection box control For picture control button operation For menu system operation16 IN1508 Scaling Presentation Switcher Operation Main menu systemInput submenu Pan selection Center selectionSize selection Zoom selectionOperation, cont’d Tint status indicator bar Brightness status indicator barContrast status indicator bar Color status indicator barOutput submenu 20 IN1508 Scaling Presentation Switcher OperationResolution selection box Refresh Rate selection boxSync Polarity selection box 22 IN1508 Scaling Presentation Switcher Operation Signal Type selection boxOutput Volume status indicator bar Input Gain/Attenuation status indicator barBlank selection box Audio Delay selection boxAdvanced submenu Freeze selection boxReset selection box PIP Mode selection boxFade Switch selection box Blue Mode selection boxPicture adjustments Performing a system reset from the front panelPress again 26 IN1508 Scaling Presentation Switcher Operation20 Picture adjustments flowchart, IR remote control buttons 28 IN1508 Scaling Presentation Switcher Operation Sharpness status indicator bar, on Optimizing the Video Setting up a DVD sourceResolution and refresh rates 30 IN1508 Scaling Presentation Switcher OperationCRT displays selecting the optimum refresh rate CRT displays selecting the optimum resolutionCRT Displays 32 IN1508 Scaling Presentation Switcher Operation22 Input submenu’s Advanced selections Input submenu’s Advanced selections34 IN1508 Scaling Presentation Switcher Operation 23 Advanced input settings24 Incorrectly started image Horizontal Start and Vertical Start status indicator bars36 IN1508 Scaling Presentation Switcher Operation Active Pixels and Active Lines status indicator barsHorizontal rate = 31.5 kHz, vertical rate 60 Hz Total Pixels status indicator bar Phase status indicator bar38 IN1508 Scaling Presentation Switcher Operation Troubleshooting Optimizing the AudioGeneral checks 40 IN1508 Scaling Presentation Switcher Operation Specific problemsVertically HorizontallyCompressed Image is stretched Active lines may be42 IN1508 Scaling Presentation Switcher Operation Horizontal start Problem Possible cause Solution Total pixels settingActive lines setting Setting cannot be44 IN1508 Scaling Presentation Switcher Operation Four IN1508 Scaling Presentation Switcher Serial Communications Host-to-Switcher InstructionsSwitcher-Initiated Messages Switcher Error ResponsesSymbol definitions Using the Command/Response TableCommand Ascii Command Response Additional description Command/response table for SIS commandsCommand/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 Specifications and Part NumbersAudio Cables Part NumbersIncluded parts Suggested adaptersHigh performance DVI cables Cable Part number Specifications and Part Numbers, cont’d Asia Japan Extron’s WarrantyExtron Electronics, Europe Beeldschermweg 6C
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