Metal Detector Gold Detector Wand Specification: Power: 270 mW Operating frequency : 22 kHz Working current: Voltage :7-9V Operating temperature : -5 ° C to 55 ° C How to use: 1, forward push the power switch , hear "click " sound , that is, the power is on , but the green light , which in this case sounds alarm function. If there is no sound means no battery or the battery is bad, continuous and sound , the battery voltage, can not be reused and should be replaced. 2 , the sound stops after boot , high-sensitivity detection can be carried out , the hand holding the handle will detect faces being swept around the probe to detect objects with that sound an alarm when a metal object , while a green light turns red ; stopped sweeping probe , the alarm sound stop, red to green . Sensitivity Adjustment: 1, if less than the required detection range when sensitivity is so high that they require or cause instability when the human body without metal or geophysical sweep also alarm, sensitivity adjustment should be carried out. 2, with a small flathead screwdriver to get a handle inserted into the hole from the detector rotates clockwise, raised voice, then counter-clockwise and then counterclockwise raised just does not sound half turn, sensitivity to meet the requirements.
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