COP-USA DVR2704XE-L - Manual (Page 50)

DVR User Manual
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Step 3: Enter MenuUpgrade tab. Then the upgrade software name would be displayed in the upgrade list box.
Step 4: Select that software and then click upgrade button. It will upgrade automatically.
Note: Please wait for a while when the system reboots. Never cut off power during upgrading. The original configuration will be reserved
after upgrade.
6.5 Logoff
Enter into Menu  Logoff tab. A log off dialogue box will popup. The device will log off by clicking “OK” button. If you want to log in
again, click icon to enter into user name and password to re-login.