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2.
Warnings
This device complies with Part 15 of the FCC rules, Operation of this device is subject to the
following conditions: 1. This device may not cause harmful interference. 2. This device must
accept any interference, including interference that may cause undesired operation.
Installation:
The DCHT-2500 transmitter consists of a transmitter box and 25 feet of hose. To install, connect
the hose to the stem on the transmitter box, then lay the hose across the driveway. Mount
the transmitter box on a tree or wooden post at least three feet off the ground (see figure
1). Avoid using steel posts as this may interfere with the radio signal. The maximum range of
the system is about 2500 feet, however, obstructions such as hills, trees and metal siding can
reduce the range.
Connect a 9-volt alkaline battery to the transmitter. The battery should last about 6 to 12
months under normal conditions. Once the battery is connected, the system will need a few
seconds to warm up. After this time the transmitter will detect vehicles driving over the hose.
Make sure that there are no kinks in the hose, as this may keep the transmitter from detecting.
When the transmitter detects a car, it will send a signal to the receiver, which will sound one of
four different tones (Classical, Westminster Chime, Ding Dong, or Whistle) for a few seconds.