MD300 Mini Hand Held Coin Metal Detector Gold Digger Treasure Hunter with LED Indicator

Round handheld metal detector MD300 security instrument

(2) the position of the handle grip portion of the metal detector, fluctuations in the left three gear switch from the OFF position - alarm sound position on the detector LED power indicator light green light, and can hear a short BEBE sound.

(3) with a known metal coins to test your metal detector function, when the probe plate in the upper horizontal swinging metal coins and coins through the metal object, the buzzer should sound the alarm, the red indicator light.

(4)  position from the alarm sound vibrating alert position, when the probe plate in the upper horizontal swinging metal coins and coins through the metal target, the palms should feel the vibrating alert, and hear the alarm sound, but the red indicator light. In official use, should be tested regularly to ensure proper operation.

(5)  Sensitivity adjustment method: use the "-" character small screwdriver in the right metal detector "sensitivity adjustment holes" adjust the sensitivity. Clockwise adjustment can increase sensitivity and counterclockwise to adjust the sensitivity can be reduced, as follows: first clockwise adjustment, has been transferred without testing metal (or metal-free area) when he heard the alarm sounds continuously, at which time, you callback then counterclockwise until the detector does not alarm sound or vibration to the factory default setting is one yuan coin metal object test sensitivity is about 5 cm.

Special Note:

Do not adjust the sensitivity to rain on your desired height, otherwise it will likely be a false alarm. When you do not need high sensitivity, you use the "-" character small screwdriver counterclockwise adjustment, tune up can you fit.

(6)  Low-voltage indication: when you turn the power switch when the metal detector (not tested metal objects), but the continuous buzzer alarm will sound, which indicates the use of metal detectors inside the battery voltage "low", and should be replaced a new battery to continue using.

(7)  maintenance, service: metal detector when not in use, set the switch to "OFF position" and keep the metal detector looks clean, dry. In order to maintain its neat appearance, can be used wet wipe, but not with chemical cleaners.

Maximum detection range: sensitivity of the detector is detected mainly by the size, shape

The main technical parameters:

(1) Dimensions: 39.5 (length) * 14 (W) * 4 (height) cm

(2) Net weight: 260 g (without batteries)
(3) Power supply: 9 volt
(4) battery power: 270 mW
(5) Operating temperature: -5 to +55 degrees Celsius
(6) Operating voltage 7-9 volt

Note:
Please turn off the power switch after use
Remove the battery when not in long-term
Probe is not fixed when the alarm against the metal, but metal objects in the sweep when the alarm