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DoorKing 9409-010 Two Channel Loop Detector
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The DoorKing 9409 Loop Detector is designed for use with DoorKing vehicular gate operators only. The detector plugs into loop detector ports on the gate operator control board eliminating the need for any hard wiring other than the connection of the loop itself. The detector also employs several automatic and advanced features that will decrease "false" calls.
FEATURES: Sensitivity Boost The sensitivity boost feature automatically increases the sensitivity of the loop detector when the detector is tripped by the passage of a vehicle over the loop. This prevents the detector from "losing" high bed vehicles as they pass over the loop.
Fast-Trak When Fast-Trak is turned on, the detector will track slow frequency shifts in the loop twice as fast as when this feature is turned off. This feature is useful on poor quality loops that drift in frequency.
Frequency Measurement Whenever the detector is powered up, or when the reset switch is pressed, the detector will blink out the frequency that the loop has tuned to (in KHz) on the CALL LED. This automatic frequency measurement is useful in applications where two or more loops and loop detectors are in close proximity to each other.
Loop Monitor The loop detector constantly monitors the frequency of the loop to determine if the frequency is too high or too low, or if the loop has opened. When this happens, the detector will LOCK ON and the loop CALL LED will flash.
FEATURES: Sensitivity Boost The sensitivity boost feature automatically increases the sensitivity of the loop detector when the detector is tripped by the passage of a vehicle over the loop. This prevents the detector from "losing" high bed vehicles as they pass over the loop.
Fast-Trak When Fast-Trak is turned on, the detector will track slow frequency shifts in the loop twice as fast as when this feature is turned off. This feature is useful on poor quality loops that drift in frequency.
Frequency Measurement Whenever the detector is powered up, or when the reset switch is pressed, the detector will blink out the frequency that the loop has tuned to (in KHz) on the CALL LED. This automatic frequency measurement is useful in applications where two or more loops and loop detectors are in close proximity to each other.
Loop Monitor The loop detector constantly monitors the frequency of the loop to determine if the frequency is too high or too low, or if the loop has opened. When this happens, the detector will LOCK ON and the loop CALL LED will flash.
