VGA to HDTV Scaler Plus
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3. Troubleshooting
3.1 Resetting the AC345A to factory defaults
There are no field serviceable parts or circuits in the device. If you
think that the device is malfunctioning, please first try to reset to
factory default settings:
If you are using a VGA monitor: Press the + and - buttons
simultaneously for 2 seconds.
If you are using a HDTV with component input: Press the MENU and -
buttons simultaneously for 2 seconds.
3.2 Calling Black Box
If you determine that your unit is malfunctioning, do not attempt to
repair the unit. Contact Black Box Tech. Support at 724-746-5500.
Before you do, make a record of the history of the problem. We will be
able to provide more efficient and accurate assistance if you have a
complete description, including:
• The nature and duration of the problem;
• The components involved in the problem—that is, what type of
cable, makes and models of computers and monitors, etc.
• The results of any testing you’ve already done.
3.3 Shipping and Packaging
If you need to transport or ship your AC345A:
• Package it carefully. We recommend that you use the original
container.
• Before you ship the unit back to Black Box for repair or return,
contact us to get a Return Authorization (RA) number.
