This article answer how the DIVAR network or hybrid UHD monitor setting cause black screen when UHD not supported
After changing the resolution of monitor to UHD (3840*2160), the attached monitors results always black.
In this section you can find details on what information is required during the troubleshooting process to successfully identify a unit in terms of model number, firmware version and unique identifiers. What is also very important always for the troubleshooting is the DIVAR Service log. In addition to that, in some situations network captures from the DIVAR may also be required.
Perhaps you are wondering how to set the maximum retention time on a Divar Network? Some of our customers asked about this option.
Well, in DIVAR Network and Hybrid there is not retention time.
But you can set the automatically deleting time, that is more or less the same.
Open one Browser and type your device IP address
Login with the administrator account
Go to Settings > Storage > Recording
Fill in the box with the desired automatic deletion time
Another option is to make this change directly in the local interface of the unit.
Find below Gmail SMTP settings which you have to set in your EMAIL screen of DIVAR Menu.
SMTP Server address: smtp.gmail.com
Username: Your Gmail e-mail adress
Password: Your Gmail password
Port (TLS😞 587
Port (SSL😞 465
TLS / SSL required: Yes
TLS : Transport Layer Security SSL: Secure Sockets Layer
What happens if you do not select either one?
If neither SSL nor TLS is used , then the communication line can easily become a party line for eavesdroppers, all data transmitted between DIVAR and e-mail account for anyone to see.