NVR NTP settings for POE cams

Mtv

n3wb
Jan 31, 2021
17
5
Netherlands
I've have an NVR 7604NI-K1-4P(B).

On which i've selected timechecks via NTP.

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The camera's attached to the NVR get their own IP address 192.168.254.4/3/2. (3 cams total attached)
I'm not sure how to take care of the time-settings on the camera's as it seems that they are not able to "test" the connection to the timeserver. And i noticed that the cams are not equal present the time.

this is the setting on cam 1 (all others are equal)

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How can i ensure that all cams are getting the right time from the NVR and how often is that being refreshed? Are those settings correct?