User`s manual
Intel-GE Care Innovations™ QuietCare® System
Hardware Maintenance Guide
Document: DHF-3756 Page 19 of 60
Revision: 1.0 Effective: January 29, 2012
Sensor Mounting & Positioning
AboutQuietCareSensors
NOTE: The accompanying diagram assumes an 8 degree angle
mount being used. The wedge bracket should be used to apply
this angle.
The Passive Infra-Red (PIR) sensors detect movement of warm
bodies. Because they respond to heat, they are relatively slow-
acting. For example, they will respond more to your body’s
moving than to your hand’s waving around.
The sensors respond to a 2-degC temperature differential.
Usually the ambient temperature is cooler than the moving
object, but the sensor will also respond if the moving object is
cooler than the background..
The sensors have been calibrated so that they do not respond to
small pets (they cannot be “masked” to avoid interference from
large pets). But they may respond to heat sources such as hot
air from vents or billowing behind curtains.
Because most surfaces absorb infrared heat, surfaces such as
glass windows and mirrors will not precipitate false motion
resulting from reflected heat.
Horizontally, the sensors cover an area 49 degrees to the left
and 49 degrees to the right. Vertically, they cover from a flat
horizontal plane to about 50 degrees downward—looking out
from the sensor, with sensor upright (small white fin on top) and
the sensor screen facing forward. The sensor is somewhat
sensitive at a 70 degree downward angle so will catch
movement of people walking under it.
The sensor range is 20 feet. The diagram above shows the
different sensor zones. The sensor detects motion when the
warm object moves into or out of one of the zones. The green
LED on the sensor blinks whenever it detects motion.
EachSensor’sRole
For each sensor there is a defined sensor role indicating the placement or type of activity that that sensor is
measuring. Sensor roles are: Bathroom, Bedroom, Living Area, Outside Bath, Near Door, Door Contact,
Meals, and Medication Storage. Roles are assigned to device types during the installation:
Sensor Role Description
A: Bathroom Catches motion inside the bathroom—to
measure both the number of bathroom visits and
any visit lasting longer than the predetermined
bathroom visit limit for that resident. May
indicate a possible bathroom fall.
B: Meal Prep Detects meal preparation activities—to measure