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Tel: 4008-919-688
Fax: 86-3205-7000
E-mail: sales@watchman.cn
ADD: Potevio Industrial Park,GuangPu West Rd. Guangzhou China
Home > FAQ
  • Why can't the DVR recognize the HDD?
    Reason 1: Cables connected with the HDD weren't contacted closely.
    Solution: Change those cables for new ones.
    Reason 2: Cables connected with the power supply weren't contacted close…
  • Why can't the DVR control the PTZ camera?
    Reason 1: the camera was broken.
    Solution: Change it for a new one.

    Reason 2: You didn't connect the camera with the DVR correctly.
    Solution: Change the cable connect. <…

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