Extron Electronics SW YUV A Series User Guide - Manual (Page 28)

Operation, cont’d
SW RGB and YUV A Switchers • Operation 3-8
Troubleshooting — If No Image Appears
1 . 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.
2 . Ensure an active input is selected on the switcher or that the switcher is in
autoswitch mode.
3 . Ensure that the proper signal format is supplied.
4 . Check the cabling and make corrections as necessary.
5 . Call the Extron S 3 Sales & Technical Support Hotline if necessary.