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    How to adjust the sensitivity on the DS937 Motion Detector.

    Dip switches 1 and 2 select sensitivity settings:

    4 pulse counts is the recommended setting for locations where an intruder is expected to cover a sizable portion of the protection area. The detector tolerates harsh environments at this setting.
    3 pulse counts is for locations where normal environmental transients are expected.
    2 pulse counts is the normal setting for areas where thermal and illumination transients are minimal.
    1 pulse count is for fast response to intruder signals. It is for use in quiet environments where thermal and illumination transients are not anticipated.

    • Pulse Counts   Switch 1   Switch 2
    •            1                        OFF            OFF
    •            2                        ON               OFF
    •            3                        OFF            ON
    •            4                        ON              ON

    Detection Range Adjustment:

    • Used to fine tune sensitivity. Adjust for lowest sensitivity that provides good catch performance.
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    Last update:
    ‎07-16-2018 10:43 PM
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