Amcrest General 720P(V2) Mini 1U Series User Manual page 176

Please follow chapter 5.8.2.13.1 to create server certificate.
25. When I login via HTTPS, a dialogue says the certificate is not trusted.
Please follow chapter 5.8.2.13.2 to download root certificate.
26. When I login via HTTPS, a dialogue says the certificate has expired or is not valid yet.
Please make sure your PC time is the same as the device time.
Daily Maintenance

Please use the brush to clean the board, socket connector, and the chassis regularly.

The device should be soundly grounded in case there is an audio/video disturbance. Keep the
device away from static electricity or induced electricity.

Please unplug the power cable before you remove the audio/video signal cable, RS232, or RS485
cable.

Do not connect the TV to the local video output port (VOUT). It may result in a video output circuit.

Always shut down the device properly. Please use the shutdown function in the menu or you can
press the power button in the rear pane for at least three seconds to shut down the device.
Otherwise, it may result in HDD malfunction.

Please make sure the device is away from the direct sunlight or other heating sources. Please keep
it well ventilated.

Please check and maintain the device regularly.
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