Electronics Repair Questions? Ask an Electronics Technician
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I'm not sure who's telling you to "add extension", but if you need help there- please elaborate on that.
Also the user manual (quick start guide) for your DVD/VCR unit is at the link below for download:
Let me know if you need further assistance. Also, before you go, could you please click a POSITIVE RATING (by scrolling all of the way to the top of the page, and clicking 3-5 stars), so that I am credited for working with you today?
Did you need further assistance with this?