IC Realtime Flex Series: 8-CH High Performance H.264E 2U DVR with DVD-RW - Manual (Page 163)

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Figure 7-78
7.8.5.7 Upgrade
The upgrade interface is shown as in Figure 7-79.
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 7-79
7.8.5.8 RS232
The RS232 interface is shown as in Figure 7-80.