Pass Reset

Q: I have a costumer with a 16 channel Dahua DVR. But he lost the admin password. Is there any way to reset this of the whole DVR to default. A: Yes, it is, using the master password. Also, you will not lose any current settings.

[[[Upgrade DVR]]]

[[[Question]]]: [[[Hi i have a 4ch dvr and i want to put an other4 cameras to it so i need an 8ch card to put in dvr]]] [[[Answer]]]: There is no card that you can put in the DVR to upgrade/expand the number of channels]]]