Troubleshooting - If No Image Appears - Extron electronics SW RGBHV Series User Manual

Operation, cont'd
Troubleshooting — If No Image Appears
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3-8 SW RGBHV Series Switchers • Operation
Ensure that all devices are plugged in and powered on. The switcher is
receiving power if the front panel Power LED (if equipped) is lit.
Ensure an active input is selected on the switcher or that the switcher is in
autoswitch mode.
Ensure that the proper signal format is supplied.
Check the cabling and make corrections as necessary.
Call the Extron S 3 Sales & Technical Support Hotline if necessary.