11
5. Check the received signal using a voltmeter
connected to the measurement terminals on
the alignment controller SB51 and ensure that
the alignment complies with the table in the
“Optimising reception” section (page 8.)
Rx
Tx
SB51
Voltmeter
Adjusting the intruder alarm response time
Adjust the response time of the intruder alarm by turning the response time potentiometer.
In this way you can adapt the sensitivity of the detector to its environment. A long
response time reduces sensitivity.
50 ms
100 ms 200 ms 400 ms
600 ms
Response
time
50
600
ms
Alarm
Disq.
Align.
B1 B2
Channel
RECEIVER
Delay
S
I
G
N
A
L
Potentiometer for adjusting
the intruder alarm
response time
