Bosch DS9370 Specifications download pdf (Page 3)

7.2 LED On/Off Pins

The ON position allows operation of the tri-color LED. If LED

indication is not desired after setup and walk tests are completed,

place in the OFF position.

7.3 Microwave Adjustment

Note: It is important to wait 1 minute after removing/replacing the

cover so the microwave portion of the detector can settle,

and to wait at least 5 seconds between the following walk

testing procedures.

• The tri-color LED should be OFF before walk testing.

• Walk test across the pattern at the intended coverage’s

farthest end. Start walking from outside the intended protection

area and observe the tri-color LED. The edge of the microwave

pattern is determined by the first yellow microwave activation of

the LED (or the first red activation if the green PIR LED

activates first).

• If adequate range can not be reached, increase the Microwave

Range Adjust slightly. Continue walk testing (waiting 1 minute

after removing/replacing the cover) and adjusting the range until

the farthest edge of desired coverage has been accurately

placed.

Do not adjust the microwave range higher than required.

• Walk test the unit from all directions to determine all the

detection pattern boundaries.

8.0 Supervision Features

The supervision features function as follows:

• Microwave: The complete circuit operation of this subsystem is

checked approximately every 4 hours.

• Default: The detector will default to PIR technology protection if

the microwave subsystem fails. The detector will indicate

alarm using green LED only and alarm relay will activate.

9.0 Other Information

9.1 Memory, Day Mode, Night Mode and Walk Test

Note: Memory, Night Mode and Walk Test require a supply

voltage on Terminal 8 to activate these features. This

supply voltage must be between 6 and 18 VDC. You may

use a switch as shown below:

Or use an external power supply as shown below:

Note: Control voltage: +6 to +18 VDC = ON (Switch Closed)

0 VDC = OFF (Switch Open)

• Day Mode: The Day Mode disables the alarm memory and

allows the LED (if activated) to operate normally.

• Memory: When the DS9370 is in the Night Mode the memory

is activated. This allows the detector to store an alarm for

display at a later time.

• Night Mode: The Night Mode enables the alarm memory and

disables the LED operation.

• Walk Test: When the DS9370 is in the Walk Test mode, the

LED will indicate the current alarm status regardless of the

setting of the LED ON/OFF switch (Switch 1).

9.2 Anti-Vandal Screw

• After the cover has been closed, the entire assembly can be

secured together using the supplied anti-vandal screw .

9.3 Maintenance

At least once a year, the range and coverage should be verified. To

ensure continual daily operation, the end user should be instructed

to walk through the far end of the coverage pattern. This ensures an

alarm output prior to arming the system.

10.0 Coverage Pattern

Coverage shown at 12 ft. (3.7 m) mounting height.

Desired Action Control Voltage (Terminal M)

Turn ON Night Mode/

Reset Stored Alarm

(for more than 20 seconds)

Turn OFF Night Mode/

Display Stored Alarm

OFF

Turn ON Walk Test

(if OFF)

(for more than 5 seconds

but less than 20 seconds)

Turn OFF Walk Test

(if ON)

(for more than 1 second but

less than 20 seconds)

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Bosch DS9370 Specifications Page 3

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