User's Manual
 GXV3500 Digital Video Encoder/Decoder 
Firmware 1.0.1.38                                                                                                          Page 26 of 32  
Grandstream Networks, Inc. 08/2011 
GXV3500 Motion Detection 
The GXV3500 supports Motion Detection. To utilize this feature, please follow the below 
steps:   
1.  Setup the motion detection monitored area.   
2.  Configure the motion detection time schedule. 
3.  Configure alarm action properly. 
Setup Motion Detection Monitored Area 
Enable Motion Detection – If this option is selected, motion detection will be enabled. If 
something/somebody moves in the motion detection region, an alarm will be triggered. 
Show Motion Detection Regions – If this 
option is selected, the motion detection regions 
will be displayed on the screen with a white 
border.   
To Edit a Monitored Area 
1.  In the Select a Region dropdown list, select 
the region ID. 
2.  Click Edit. 
3.  Click on the video, drag and draw you 
preferred area. 
4.  Set the Sensitivity. Click the Save button to 
save the sensitivity. 
 NOTE: The Sensitivity value varies from 0 to 
100. The larger the value is, the higher the 
sensitivity.   
5.  Click Save to save the settings. 
To Remove a Monitored Area 
1.  In the Select a Region dropdown list, select the region you would like to remove. 
2.  Click Remove. 
3.  Click Save to save the changes. 
The white border for Motion 
Detection Regions 
NOTE: If Upload to Alarm center 
is checked for Alarm Actions, the 
white border will flash red when a 
motion detection alarm is triggered. 
Button to save sensitivity only 










