Read Panasonic KX-TG7127UAS / KX-TG7127UAT / KX-TGA711UAS / KX-TGA711UAT (serv.man2) Service Manual Supplement online
2.4. Check Point (Base Unit) (Changed from original section 9.2.1. Check
Point (Base Unit))
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KX-TG7127UAS / KX-TG7127U AT / KX-TGA711UAS / KX-TGA711UAT
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