IC Realtime Max Series: 4/8/16 Channel D1 1.5U Standalone DVR - Manual (Page 164)

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Figure 7-79
7.8.5.7 Upgrade
The upgrade interface is shown as in Figure 7-80.
Please select the upgrade file and then click the update button to begin update. Please note the
file name shall be as *.bin. During the upgrade process, do not unplug the power cable, network
cable, or shutdown the device.
Important
Improper upgrade program may result in device malfunction!
Figure 7-80
7.8.5.8 RS232
The RS232 interface is shown as in Figure 7-81.