Sony Effio E User Manual page 16

Detection sensitivity
Set motion detection sensitivity, the greater the value the higher
the sensitivity, 0-127 adjustable.
Block display
There are "open" / "off" / "set" of three options. Select "On", if
there is a moving picture, the box icon will be displayed; select "Off"
does not appear; select "Settings", you can enter the confirm button to
set the hidden regions.
Region Selection
Select motion detection zone, and the set the related zone.
Monitoring Zone
Check whether the relevant region in motion detection, which is a
function switch. When it is closed, this zone does not participate in
motion detection.
Up, down, left and right set
Press the "left" and "right" key to set the level and width of the
fixed detection zone, the above side is as the benchmark for the below
zone, 0~288 adjustable.
The left side is as the benchmark for the right zone, 0~468
adjustable.
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