Hi Sharp Digital video recorder User Manual page 64

Remote Set Up <Motion>
1
Camera No : Item to select Camera No.
To set up all the camera equally, Choose "select all"
Enable : Selects to use motion sensor, Removing the check stops using that channel.
Sensitivity : Adjusts the sensitivity in motion detection.
There are 5 steps and as the number increase, it gets more sensitive.
Area : Item to select motion area.
2
1
3
2
4
Area is selected when drag the mouse on the
image.
<Set Up Area Tool>
Area Detect
button
64
Area Clear
Button