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Auto Stand-By Mode

When the device is laid down flat on a surface with the indicators facing up, 

it will go into an auto stand-by mode after 180 seconds to reduce power 

consumption. 

When the device is laid down flat on a surface that contains metal with the 

indicators facing up, it will go into an auto stand-by mode right after emitting 

an alarm for a second.
To get the device out of the stand-by mode, just move it.

Turning Off the Device

The device shuts down in 2 ways:

Auto Shut-Down

The device will shut down after 35 minutes of being in stand-by mode and will not start if you move 

it. You need to press and hold the on/off button for 1.5 seconds to turn it on.

Manual Shut-Down

Press and hold the on/off button for at least 3 seconds. The LEDs will blink and the  device 

will shut down.

 

   Changing the Frequency

While the device is off, turn it on while keeping the rebar elimination button pressed. 

The device will emit 1-5 beeps. Each different number of beeps indicate a different 

frequency. To change the frequency, turn the device off and turn it on again while 

pressing the rebar elimination button pressed.

Testing the Device

The test piece supplied with the device enables the user to test whether the deviceis working 

correctly or not.

Follow the below steps to perform a test:

1) Set the sensitivity setting to maximum - level 3. Then, hold 

the test piece so that the 3 lines are at 

the bottom

. When testing the NMS20, hold the test piece approximately 2'' below the top of the device 

and sweep it across the device by lightly touching it. When testing the NMS30, hold the test piece at 

the center of the device and sweep it across the device by lightly touching it. The device must generate 

an alarm.

8

DEVICE OPERATION

NMS30

NMS20

Summary of Contents for MAKRO NMS20

Page 1: ...NMS20 NMS30 Hand Held Metal Detector USER MANUAL...

Page 2: ......

Page 3: ...he device is waterproof up to 1 meter 3ft and thus is protected for use in the rain and against liquid spills does not apply to the versions with earphone jack Wipe the device with a damp soft non scr...

Page 4: ...TION Turning On the Device Resetting the Alarm Sensitivity Setting Alarm Selection Scanning Metal Detection Auto Stand By Mode Turning Off the Device Changing the Frequency Testing the Device Using Mu...

Page 5: ...tteries 7 Universal Charging Adaptor 8 Universal Charging Adaptor Plugs 9 Wrist Strap 10 Belt Holster Optional Accessories Below are the optional accessories you can purchase separately and that are n...

Page 6: ...ensor 3 On Off Reset Button 4 LED Alarm Indicator 5 Battery Life Indicator 6 Sensitivity Setting Button Indicator 7 Audio Alarm Button 8 Vibration Alarm Button 9 Buzzer 10 Rebar Elimination Button 11...

Page 7: ...the battery compartment cover with the white lines on the cover and on the device aligned Then give the battery compartment cover a quarter turn clockwise and tighten Lastly tighten the screw Battery...

Page 8: ...ttery charging pins located on the device and the charging station clean to ensure proper electrical contact NOTE If the rechargeable Ni MH batteries are not used for a long time they may not be charg...

Page 9: ...first station leaving the first slot empty If you want to connect a third station insert the first pin in the middle slot again but this time insert the second pin in the front slot of the second stat...

Page 10: ...evel Sensitivity setting should be adjusted according to the target metal size and maximum operating distance Large Metal Objects Low Sensitivity Setting Medium Size Metal Objects Medium Sensitivity S...

Page 11: ...ed beeps will be emitted in frequency that is proportional to the amount of radiation and the blue LEDs will flash on the LED Alarm Indicator All 3 LEDs are off No metal target 7 DEVICE OPERATION Scan...

Page 12: ...the device will shut down Changing the Frequency While the device is off turn it on while keeping the rebar elimination button pressed The device will emit 1 5 beeps Each different number of beeps ind...

Page 13: ...eously While using multiple detectors simultaneously the devices must be kept 1 meter 3 3 ft away from each other This distance may vary based on the operating frequency Using the Device Next To Walk...

Page 14: ...Remove the detector from the charging station and make sure it is off 2 Make sure that the charging station is connected to the adaptor and the AC power is available 3 Re insert the detector in the ch...

Page 15: ...evels Yes 40 hours Metal Detector 40 C 70 C 40 F 158 F Charging Station 0 C 70 C 32 F 158 F 40 C 85 C 40 F 185 F NMS20 82x445x48mm 3 2 X17 0 X1 9 NMS30 128x405x48mm 5 0 X15 9 X1 9 Charging Station 85x...

Page 16: ...www noktadetectors com...

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