In its most basic design, beeper collars consist of two parts - the actual horn (also called the beeper) and a motion sensor. The motion sensor detects the movement of the dog and sends a signal to the horn / beeper collar to change the sound or frequency emitted by the collar. For example, most beeper collars can be operated in one of at least two modes – “run/point mode” or “point mode”. When set to run/point mode the beeper collar will emit a beep every 5-10 seconds (depending on the brand) while your dog is quartering and then beep every second once the dog is locked on point (or stationary). Most collars can also be operated in point mode, where the collar does not beep until the dog is locked on point. As you can see, both modes of operation have a significant advantage over dog bells that become silent when the dog is on point. With the help of a beeper collar you can quickly locate your dog even when on point.
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When starting your dog on a beeper collar, it's best to let the dog get used to the sound before the dog wears the collar. To do this, hang the collar on the dog's kennel fence for a day and leave it beeping.
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A beeper collar with the speaker located in the center of the back of the dog's neck produces the loudest sound for the handler, at the same time being quietest for the dog's ears. This "Omni-directional" sound also gives you the best information about the dog's location, no matter what direction it's facing. In comparison, speakers on the side of the dog's neck can deceive the listener as to the dog's range, because the dog's body position will affect the listener's perception. The beep will sound louder when the speaker is facing you and weaker when the dog turns and the speaker faces away from you, making it seem that the dog is farther away than it really is.
collar interrupts them by emitting a sound only your dog can hear.