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ETC Installation Guide
Grace Period
The sensor features a 30 second grace period after a vacancy timeout occurs.
During this grace period, if the sensor detects occupancy, it will turn on or
restore the previous lighting condition.
Auto Vacancy Timeout
The "Auto" vacancy timeout setting varies vacancy the timeout between
5 and 30 minutes depending on how often it identifies an occupancy trigger
after a vacancy timeout occurs (during the grace period).
Lens Masking
Lens masks are provided in the packaging for your convenience, used to block
a section of the lens from detecting occupancy.
PIR Detection
The PIR detection automatically adjusts its sensitivity to eliminate nuisance
tripping. When the sensor powers on, the red PIR LED illuminates for
approximately 60 seconds to identify "Power Up" state. Sensor configuration
is not allowed. During this time, no events are triggered.
Echo Occupancy/Vacancy Sensor
Occupancy/Vacancy Sensor
Step 1:
Step 2:
Step 3:
Page 10 of 12
As needed, trim the lens
mask to fit the desired
area to be blocked.
Gently press down on the
sensor lens, which will
give only slightly, and
insert the lens mask.
Rotate the lens mask
around the dome to block
the required area from
occupancy sensing.
Electronic Theatre Controls, Inc.
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