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Invisible Fence Inc. (commonly referred to as Invisible Fence Brand) is a company that designs radio pet fences for cats and dogs. Manufactured and distributed by Radio System Corporation, the company sells wireless and fenceless systems that were first introduced in 1973. [ 1 ]
Back-up beepers or an observer are required by OSHA for earth-moving vehicles with an obstructed view to the rear and no one on the ground to help guide the driver. [9] OSHA regulation 29 CFR Part 1926.601(b)(4) requires "a reverse signal alarm audible above surrounding noise level", but only when the motor vehicle has "an obstructed view to the rear".
The user must be cautious, however, as setting the alert tone duration too high may cover some voice information. Also, some units may have the volume knob set to control the sound output of the audible alert as well. The user may have the volume turned down to an undetectable level either by accident or by carelessness, thus missing the page.
We’ve all been there. It’s 2 a.m. and you hear an eardrum-piercing beep. Your first reaction is to cover your head with a pillow and ... Read moreHow to reset a smoke alarm that won’t stop ...
Mark Kinsler opens up about a personal topic to him - depression
The signal on the transmit frequency, known as the blocker, may be so strong that it desensitizes a receiver listening on an adjacent channel. A strong, local transmitter also produces noise that spills over onto the adjacent channel. SIC may be used to reduce both the blocker and the noise that might otherwise prevent use of an adjacent channel.
Interior of a sound-based key finder Early models of key finder were sound-based, and listened for a clap or whistle (or a sequence of same), then beeped for the user to find them. Determining what was a clap or a whistle proved difficult, resulting in poor performance and false alarms.
If you've been having trouble with any of the connections or words in Saturday's puzzle, you're not alone and these hints should definitely help you out. Plus, I'll reveal the answers further down