1.Turn it on using the power
2. Enter the room you want to sweep, and turn the sensitivity dial so that none of the yellow or red lights are on; this is to setup the detector so it won’t find wireless signals from your neighbors and such.
3. Begin to walk along the edges of the room, raising the DD-2020 from the ceiling to the floor as you move across the room. Move across the whole room this way. The DD-2020 will detect signals up to 8 feet away.
4.If a signal is being detected, the yellow and red LEDs begin to light up and a beeping sound will occur, or you can set the detector to vibrate mode if you want to keep it silent and covert. When you move to an area where a signal is detected, more lights will begin to turn on and the unit beeps/vibrates much faster.
5.You have located a wireless transmitter!
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Self Contained Hidden Cameras / Nanny Cameras