Password Reset
1.
If they are not already connected, connect a monitor and a USB mouse to the NVR. Use the USB port at the back on the unit to connect the
mouse. The device will not accept a keyboard; you will use an on-screen keyboard to enter information.
2.
Power up the NVR if it is not already running.
3.
Right-click anywhere on the screen to bring up an initial menu. Select Menu from this list. You will then get a dialog box asking for a
username and password.
4.
Double-click in the lower left corner of this dialog box (not the lower left corner of the screen). There is an invisible button in this dialog
box. Another dialog box will appear, asking for the unit’s serial number and a secure code. A unique serial number will populate on its
own.
5.
Call Larson Electronics tech support at 800-369-6671. When a support tech answers, tell them that you have lost the administrative
password to your NVR and wish to reset it to factory default. They will ask for the unit’s serial number, which you got in step 4. Please
provide a return contact number with the serial number. The tech will have to validate the serial number and call back with a confirmation
number. They will provide you with the secure code. Write this code down before entering it into the dialog box on screen
to make sure that you got it correctly from the tech. Click OK when done.
6.
After entering the secure code and clicking OK, you will then be able to set the admin password to one of your choosing.
Note: As a security feature, be aware that the secure code that the tech provides will only be good for 24 hours.
Model
DVR-ALG-4CH
DVR-ALG-8CH
DVR-ALG-16CH
Synchronous playback
4-ch
8-ch
16-ch
Remote connections
128
Network protocols
TCP / IP, PPPoE, DHCP, EZVIZ Cloud P2P, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP™, HTTPS, ONVIF
SATA
1 SATA interface (1 HDD max)
2 SATA interfaces (2 HDDs max)
HDD Capacity
Up to 8TB capacity per HDD
Two-way audio input
1-ch, RCA (2.0 Vp-p, 1 KΩ) (using the audio input)
Network interface
1 × RJ45 10M / 100M self-adaptive Ethernet interface
1 × RJ45 10M / 100M / 1000M
self-adaptive Ethernet interface
USB interface
2 × USB 2.0
1 × USB 2.0 on the front panel
1 × USB 3.0 on the back panel
Serial interface
1 × RS-485 serial interface, half-duplex
Power supply
12 Vdc
Consumption (without HDD)
≤ 15 W
≤ 20 W
≤ 30 W
Working temperature
14 ºF to 131 ºF (-10 ºC to +55 ºC)
Working humidity
10% to 90%
Dimensions (W × D × H)
12.4 × 9.5 × 1.8 in (315 × 242 × 45 mm)
15.0 × 12.6 × 1.9 in
(380 × 320 × 48 mm)
Weight (without HDD)
≤ 2 kg (4.4 lb)
≤ 2 kg (4.4 lb)
≤ 2 kg (4.4 lb)
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Larson Electronics, LLC
