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DTP T EU 332, DTP T EU 232, DTP T MK 332, and DTP T MK 232 • Installation and Operation 18
Troubleshooting — If no Image Appears
1. Ensure that all devices are plugged in and powered on. The switcher is receiving power
if its power LED is lit.
2. Ensure an active input is selected on the switcher or that the switcher is in auto-input
switching mode. The switcher is receiving an active input if either the HDMI or VGA LED
is lit.
3. Ensure that the proper signal format is supplied.
4. Check the cabling and make corrections as necessary.
5. Call the Extron S3 Sales & Technical Support Hotline if necessary. See the end of this
guide for the phone number in your region of the world.