User Manual
DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual 
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 092017NA  27 
Figure 18, Draw the Unlock Pattern 
2.  Draw the pre-defined pattern to unlock to enter the menu operation.     
You can right click the mouse to log in via the normal mode. 
If you have forgotten your pattern, you can select the Forget My Pattern 
or Switch User option to enter the normal login dialog box.   
When the pattern you draw is different from the pattern you have 
configured, try again.   
If you draw the wrong pattern seven times, the account will lock for one 
minute. 
Figure 19, Normal Login Dialog Box 
2.3.3  Login and Logout 
2.3.3.1  User Login 
Purpose 
You must log in to the device before operating the menu and 
other functions. 
1.  Select the User Name in the drop-down list. 










