Product Description of BRT-319
Page 3 of 5
Shenzhen Asia Bright Industry co., Ltd., Building 10, Asia Industrial Park, Gangtou, Bantian, Shenzhen, China.
© 2015 All rights reserved. Subject to change without notices.
Fig. 4
BRT-319 Installation Guide
Cautions:
Avoid mounting the sensor switch close to air vents, as the vibration and air flow
can reduce the effectiveness of the sensor switch;
BRT-319 Operation Guide:
BRT-319 PIR sensor switch needs a warm-up time about two minutes before it can operate
properly. It has a precision tuning screw to adjust the ambient light override threshold as shown in
Fib. 5, and another precision tuning screw to adjust the delay off time as shown in Fib. 6.
1.
Adjust the ambient light override threshold
Please refer to Fig. 5. The fine tuning screw is used to set the ambient light override threshold. Use
a screw driver to tune the screw gently.
Caution:
The tuning screw can not make a full turn. To avoid possible damage to the screw,
please do not use strong force to tune it.
a. Counter-clockwise to “+”:
increase the threshold, so that the PIR triggers will be
overridden in bright lighting condition; and
b. Clockwise to “-”: decrease the threshold, so that the PIR triggers will not be overridden
in dark lighting condition.
