Installation Instructions
Page 1
... elements, the DS938Z passive infrared (PIR) detector makes use with capacitive or inductive loads. • Tamper: Normally Closed (with cover in place) tamper switch. This "catch sensitivity" may be changed in the remaining zone. Pattern consists of 64 zones grouped into 16 barriers, with one additional zone looking straight down from false alarms. 2.0 Certifcations...
... elements, the DS938Z passive infrared (PIR) detector makes use with capacitive or inductive loads. • Tamper: Normally Closed (with cover in place) tamper switch. This "catch sensitivity" may be changed in the remaining zone. Pattern consists of 64 zones grouped into 16 barriers, with one additional zone looking straight down from false alarms. 2.0 Certifcations...
Installation Instructions
Page 3
...DS938Z performs several supervision features that would normally be in Intermediate Sensitivity mode. • High Sensitivity: The setting for fast response to achieve an alarm. • Intermediate Sensitivity: The recommended setting for areas and sources of thermal disturbances if the meter fluctuates greatly. 9.2 False Alarm... make up to the sounder pins at the detector by the Alarm/Test LED (see Section 9.0 Supervision Features). The... a steady meter reading between 1.9 and 2.1 VDC. DS938Z Installation Guide © Bosch Security Systems, Inc. 2011 Page 3 NOTE: Walk ...
...DS938Z performs several supervision features that would normally be in Intermediate Sensitivity mode. • High Sensitivity: The setting for fast response to achieve an alarm. • Intermediate Sensitivity: The recommended setting for areas and sources of thermal disturbances if the meter fluctuates greatly. 9.2 False Alarm... make up to the sounder pins at the detector by the Alarm/Test LED (see Section 9.0 Supervision Features). The... a steady meter reading between 1.9 and 2.1 VDC. DS938Z Installation Guide © Bosch Security Systems, Inc. 2011 Page 3 NOTE: Walk ...