Four wire digital machine - extension image is not stable, have stretched the phenomenon? - Common Problem

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Four wire digital machine - extension image is not stable, have stretched the phenomenon?

Date： 2016-08-11

Possible reasons: the power supply is not stable;

Processing method: test system power supply, look to whether stable, adequate

Possible reasons: extension problem;

Processing method: check the extension of the contrast and brightness adjustment.

Possible reasons: the video signal is not stable;

Methods: using the multimeter, signal detection system, look to whether stable, adequate; Special circumstances building visual intercom system used alone video distribution amplifier, please view the video distribution amplifier regulator, whether regulation is normal.

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UTP numberical machine's host does not have any response?

发布时间： 2015 - 04 - 02

Possible reasons: the host without power. Processing method: such as power box red indicator light is not bright, check whether the power box 220 v received. Such as green light is not bright, check whether the power box of 12 v output short circuit.

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After-sale Service

发布时间： 2014 - 11 - 08

After the terms of service: 1. The group of companies selling products appear quality problem to provide one year free warranty service. Improper use (artificial damage and natural disasters are not included ) 2. Sales of products is in warranty goods, we will be made according to standard warranty maintenance services to provide services to you. For the maintenance beyond the guarantee period, you need to bear the cost of in addition to the maintenance, also including repair by replacement of spare parts cost and transportation cost.Note: all man-made and natural disasters, the damage of the product to charge maintenance treatment, not belong to the scope of free maintenance.Hotline service:The national consumer unified hotline:400-830-2639，To provide you with free product consu...

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UTP numberical machine's, the host can't call an extension?

发布时间： 2014 - 11 - 15

The national consumer unified hotline: 400-830-2639, to provide you with free product consulting service and repair service. If you fail to solve in time, will provide a continuous follow-up service.The national consumer unified hotline: 400-830-2639Unified national customer service hotline: 0755-27603666 (0)Company E-mail: ydgl@szy-d.cnService complaints telephone: 13603016495

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UTP numberical machine's - extension cannot monitor?

发布时间： 2014 - 11 - 15

Possible reasons: protector so connection is not correct, extension set is not correct. Processing method: check protector for the input and output to the host front-end ports is correct, the extension of monitoring set serial number is correct.

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