329
When NVR boots up, during the uboot process, NVR automatically detects there is USB device and there
is upgrade file on the USB device or not. If the detection result is OK, NVR automatically begins upgrade.
CAUTION
The USB device shall contain two files: u-boot.bin.img and update.img.
The USB device shall connected to the USB port at the front panel. Otherwise, NVR cannot properly
detect the file or upgrade.
4.11 Logout /Shutdown/Restart
From Mani menu->Operation->Shutdown, you can see an interface shown as in Figure 4-230.
Shutdown: System shuts down and turns off power.
Logout: Log out menu. You need to input password when you login the next time.
Restart: reboot device.
If you shut down the device, there is a process bar for your reference, system waits for 3 seconds and
then shut down (You cannot cancel).
Please note, sometimes you need to input the proper password to shut down the device.
Figure 4-230
Summary of Contents for NVR21-S2 SERIES
Page 1: ...Dahua Network Video Recorder User s Manual V 4 3 0...
Page 138: ...124 Figure 3 5 3 6 6 NVR42N Series Please refer to Figure 3 6 for connection sample Figure 3 6...
Page 142: ...128 Figure 3 11 3 6 12 NVR42V 8P Series Please refer to Figure 3 12 for connection sample...
Page 143: ...129 Figure 3 12...
Page 157: ...143 Figure 4 15 Step 2 Click device display edit interface See Figure 4 16...
Page 220: ...206 Figure 4 93 Figure 4 94...
Page 240: ...226 Figure 4 110 Figure 4 111 Figure 4 112...
Page 251: ...237 Figure 4 123 Figure 4 124...
Page 253: ...239 Figure 4 126 Click draw button to draw the zone See Figure 4 127...
Page 257: ...243 Figure 4 130 Click Draw button to draw a zone See Figure 4 131 Figure 4 131...
Page 262: ...248 Figure 4 136 Click draw button to draw the zone See Figure 4 137...
Page 275: ...261 Figure 4 148 Figure 4 149...
Page 276: ...262 Figure 4 150 Figure 4 151...
Page 387: ...373 Figure 5 60 Figure 5 61...
Page 388: ...374 Figure 5 62 Figure 5 63...
Page 412: ...398 Figure 5 96 Figure 5 97...
