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Audio door station OP —D7D4A OP —D7B2A www. opizcn.com OPIZ ELECTRONICS CO.,LTD. Thank you for your kindly purchasing our product. Please carefully read this user manual before using the product and follow instructions exactly on how to install and use the product.
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Ⅰ.VIEW OP-D7B2A 1.Front view Rear view Ⅰ.VIEW 1.Front view Rear view + MIC- G N D + LOCK- V+ G + LOCK- ④ ① Call button ② Name plate ③ Mic ② ⑤ ④ Speaker ① ⑤ Call line ③ 1 2 3 4 Introductions for lines power line ,Connects with power +...