Bosch DS9370 Specifications download pdf (Page 6)

Bosch Security Systems, Inc. | 3/11 | 4998141226-026

DS9370-BEL | Installation Instructions |

9.0 Coverage Pattern

Figure 11 shows the typical coverage pattern for 3,7 m

mounting height with optical adjustments set to "I." The

maximum range is available between lens centers, not

directly in front of the lens as might be expected.

9.1 Coverage Pattern Masking

Mask undesired areas with the supplied set of masks.

The masking kit contains two 120° masks and two 90°

masks designed for the outside of the detector. Place the

masks on the outside of the detector (Figure 12).

Use the supplied masks to mask 90°, 120°, 180°, 210°

240°, or 330°. Figure 13 shows two examples of coverage

pattern masking.

10.0 Adjusting the Optical Module

The DS9370-BEL PIR zones are divided into three

groups. You can independently adjust each group

vertically for the best coverage within a room

(Figure 14).

Figure 14: PIR Zones

1 - Only two coverage patterns are shown for clarity.

2 - PIR vertical adjustment knobs (3)

NO C

NC T T M

MAX

PIR Signal

Gain

Figure 12: Masking Kit

1 - 120° mask 2 - 90° mask

Figure 11: Coverage Areas

1 - PIR Area 1 3 - PIR Area 3

2 - PIR Area 2 4 - Microwave

1 2 3 4

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1413121110987654321

Meters

Figure 13: Coverage Pattern Masking

1 - 120° mask 2 - 90° mask

Figure 15 on page 7 shows a sample of the chart located

on the DS9370-BEL. Use this chart to adjust optical

modules based on the detector’s mounting height. The

range shown is the distance from the detector to the

outside edge of the coverage pattern.

In installations where targeted coverage is required for

part of the area, the optical modules must be adjusted

for the correct coverage. In Figure 16 on page 7, the

1 2 3 4 5 6 7 8

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Bosch DS9370 Specifications Page 6

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