Fracarro 998993, Operating Instructions Manual, Page: 21 / 36

21
Fig. 21
It is recommended to reduce the sensitivity of the microwave in relation to the desired coverage distance.
DIP 1 DIP 2 FUNCTIONAL DESCRIPTION
OFF OFF PIR 1 / PIR 2: HIGH sensitivity.
OFF ON PIR 1 / PIR 2: MEDIUM-HIGH sensitivity.
ON OFF PIR 1 / PIR 2: MEDIUM-LOW sensitivity.
ON ON PIR 1 / PIR 2: LOW sensitivity.
DIP 3 DIP 4
OPERATION’S LOGIC FUNCTIONAL DESCRIPTION
OFF OFF PIR 1 AND PIR 2 AND MW
Alarm output active only when all three technologies
detect a presence.
Note: usable in most external installations.
OFF ON (PIR 1 OR PIR 2) AND MW
Alarm output active when the MW and any of the two PIR
detect a presence.
Note: not recommended in particularly hostile
environments.
ON OFF PIR 1 AND PIR 2
Alarm output active when both PIR detect presence; the
MW is not managed
Note: the detection of MW has no influence on the
performance of the detector.
ON ON PIR 1 OR PIR 2 OR MW
Alarm output active when only one technology (one of
the two PIRs or the MW) detects a presence.
Note: not usable in external applications.
DIP SWITCH SETTING
DIP 5 Antimask function ACTIVATED Antimask function DEACTIVATED
DIP 6 LEDs Off LEDs Always on
ON OFF
Microwave flow regulation