Abus FU8380 Manual page 20

Jumper A
Jumper B Multiple-vibration mode:
Jumper C Calibration:
Jumper D LED:
Low
High
Sensitivity:
The detector can be set to high
or low sensitivity using jumper A.
The sensitivity can be fine-tuned
in the corresponding setting
range using the potentiometer
(see below).
When the multiple-vibration mode
is activated, the vibration detector
only sends an alarm after
repeated vibrations.
Off
On
Use this jumper to set the
detector to calibration mode or
normal operation.
Calibrate detector
Normal
Use this jumper to deactivate/
activate the LED on the detector.
Off
20