Product Description of BRT-304C
Page 4 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.
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.
Fig. 5
Adjustment of Ambient Light Override Threshold
2.
Adjust the delay-off time
There is another tuning screw on another side of BRT-315 PIR sensor switch. Use a screw driver
to tune this screw to adjust the delay-off time, as shown in Fig. 7. The delay-off time can be set
from 10s to 15 minutes.
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.
Fig. 7
Adjustment of Delay-off Time
