What to do when you can only see 4 channels and cannot see another channel on your screen or monitor? – Zosi Help Center Support

First , please check the cable to see if it is loose. If it is ok, then please check your camera

resolution to see if it match your DVR as follows:

Go to DVR's Main Menu - Setup - Record - Record Bitrate.

If you DVR is 960H , then the camera should be 960H too.

If it still not work, then we suggest you to try upgrade the DVR.

You can refer to the link below to upgrade your DVR:

https://youtu.be/bHnPj7k4o0E

For example, you need to upgrade the DVR.

Please find the correct upgrade file from the below link:

Support Email: service@zositech.com

Support center: support@zositechhelp.zendesk.com

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