ELRO FA420DVR 4-ch digital recorder + 500 gb hard disc USERS MANUAL - Manual (Page 13)

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replacing batteries. The DVR uses button batteries. You need to check the system time
periodically. Batteries need be replaced when the time becomes inaccurate, we
recommend replacing batteries of the same type once every year.
Note: Save the configuration before replacing batteries on the motherboard or
the configuration information will be lost.
3.3 Log in
After normal start-up, the operator is asked to log in. The system will provide
corresponding functions based on user permissions.
Factory default setting provides 3 user types with no password: admin, guest, and
default. The factory setting of admin user has superuser permissions while the defaults
for guest and default are limited to preview and playback. Admin and guest users may
change their password but cannot change the permissions. Default user is a default
login user. Default user may change permissions but not the password.
Figure 3.1 Log In
Password protection: If the password is entered incorrectly on 3 consecutive occasions, the
system will display a warning alarm; After 5 consecutive attempts, the account will be locked
(The account will be unlocked automatically upon system reboot or after 30 minutes).
For security reasons, please change your User ID and Password under “User Management”
(refer to Chapter 4.5.2 User Management) after initial login.
3.4 Preview
After normal login, the unit shows the preview screen. Right click the mouse to switch
displays.