md-3003B1 hand held metal analyzer

LOW SENSITIVITY OPERATION
Press the low sensitivity switch during detection, scanner will then only respond to bigger metal objects such as a hand gun, knife, etc and will not respond to small metals such as a coin, key, hatpin, etc. Do not release the low sensitivity switch until you complete low sensitivity detection.

RECHARGEABLE BATTERY SOCKET
1.You may use a 9V rechargeable battery to power the detector.
2.It takes four to six hours to fully charge the battery. The battery charger socket is located at the side of the detector .
Note: Turn off the detector when charging it.

EARPHONE
Can connect earphone to use in the noisy environment
SIGNAL LED LIGHT
The more LED shine means the metal bigger 

VIBRATOR BUTTON
The detector is equipped with a vibrator button also located at the side of the detector. Vibration function should be used in noisy work situations or in places where the operator does not wish for the audio tune to be heard in his surrounding area. Press this button, vibrator works; release it, audio tune works.

NOTE
1.If the green light goes out completely or fails to come on or if the unit is making unfamiliar audio tunes, the unit is unstable and should not be used until the battery is recharged or replaced.
2.If the unit is not to be used for a certain length of time it is advisable to remove the battery to avoid battery leakage with could cause serious damage to the detector

3.When not in use, the detector should be stored in a dry warm environment.

Use domain
Security detecting: Prevent taking contraband, such as: knife, gun and so on.
Factory: Prevent the loss of valued objects
Education area: Prevent taking cheat-tool, such as: telephone, electronic dictionary, and so on.

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