NVR Management
44
5
）
Select the update file, and click
Update
to start update.
6
）
The system restarts after update.
Notice: FAT16 file system of U disk is not supported in the windows system to update NVR.
8.3.2 Update via COM Port
Operating Procedure:
1
）
Connect the COM port of the NVR to the COM port of your PC.
2
）
In the local PC, use the FTP tool to upload update file, that is, to set Current Directory and
S
erver
interface, as shown in the following figure:
Figure 8-1 Upload Update File
In your PC, select
Start
Æ
Programs
Æ
Accessories
Æ
Communications
Æ
Hyperterminal
. Set the
Name
and
COM1
of the connection and set COM parameters (select
384000
for
bits per second
,
None
for
Flow Control
, select default settings for other options).
Click
OK
to enter the hyperterminal. Reboot the NVR. Press CTRL+ B to enter the boot mode. Enter
update filename (enter the filename of the update package, nvr.pgk.gz, for example, stored under the
directory of ftp tool). The update starts.
Do not turn off the power supply during update, otherwise the update will fail. NVR restart is
recommended after update.
8.3.3 Live update
Operating Procedure:
Summary of Contents for NVR2820-16
Page 1: ...NVR Administrator Guide ...
