Panasonic CS-XZ7SKEW Service Manual page 82

14.14.1 Human Activity Sensor

Area of human availability, activity level and absent is judged based on pulses by using 2 infrared sensors. The
internal setting temperature shift, fan speed and horizontal airflow direction are adjusted in order to provide
comfort environment while maintain the energy saving level.

Human activity judgment is as following
14.14.1.1 Signal Detection
7m
A

Human Activity sensor will turns on according to infrared sensors signal detection.
Signal detection
Sensor 1 Sensor 2
1 0
0 1
1 1
0 0
14.14.1.2 Information Log

The signal from Infrared sensors will be log to human activity database for further analysis.
14.14.1.3 Area of Living Classification Judgment

The system is able to judge area of living according to human activity database, classified as following:
Living Area – In front of television, dining table, etc.
o
Walkway – Human detection is relatively less.
o
Non-Living Area – near windows, wall, etc.
o
Signal Detection
Information Log
Area of Living Classification Judgment
Human Position Analysis
Target Area & Position Judgment
Human Activity Level Judgment
Setting Position Judgment
C
B
120°
Possible detected human
position area
C
A
B
A & C
B & C
A & C
A, B & C
–
2m
82
7m