Famous Trails MD3005 ユーザーズマニュアル

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You can connect a pair of stereo earphones (not 

supplied) to the detector so you can listen to it 

privately. Using earphones also saves battery 

power and makes it easier to identify subtle 

changes in the sounds you hear, for better 

detection results. Your local electronics store 

has a wide selection of earphones. 

 

To connect earphones to the detector, insert the 

earphones’ 1/8-inch plug into the EAR jack on 

the side of the control housing. 

 

Note: The detector’s internal speaker 

disconnects when you connect earphones. 

 

To protect your hearing, follow these 

guidelines when you use earphones. 

z 

Set the volume to the lowest setting 

before you begin listening. After you 

begin listening, adjust the volume to a 

comfortable level 

z 

Do not listen at extremely high volume 

levels.  Extended high volume listen- 

ing can lead to permanent hearing 

loss. 

z 

Once you set the volume, do not 

increase it. Over time, your ears 

adapt to the volume level, so a 

volume level that does not cause 

discomfort might still damage your 

hearing. 

 

Do not wear earphones while operating 

your detector near high-traffic areas. 

 

Even though some earphones are 

designed to let you hear some outside 

sounds when listening at normal volume 

levels, they still can present a traffic 

hazard. 

 

 

Your Famous Trails Metal Detector distinguishes 

between ferrous and nonferrous metals. Ferrous 

metals contain iron, while non-ferrous metals 

such as gold, silver, copper, platinum, aluminum, 

lead, and zinc do not. 

 

When the detector senses a metallic object, the 

meter reading changes and the detector might 

sound a tone. The actual reaction depends on 

what metal is detected. 

 

Hold the detector in a comfortable position, then 

rotate  VOLUME away from OFF to the desired 

sound level. Set OPERATE/BATT  TEST to 

OPERATE to detect. 

 

TUNE fine-tunes the balance between the 

detector’s receiver and transmitter circuitry to 

provide consistent pointer and tone indications.

Follow these steps to set TUNE. 

1.  Rotate  VOLUME to the 11 o’clock 

position. 

2.  Set DISCRIMINATION to its midpoint. 

 

3.  Hold the search coil about 1 foot away from 

the ground and any metal object, hold down 

the red button on the handle, and slowly rotate 

TUNE left and right until the pointer on the 

view meter rests at or near 0, then release the 

red button. 

 

As you search, you can fine-tune the 

detector using DISCRIMINATION (see 

“Fine-Tuning the Detector” on Page 10). 

 

Note: Press the red button on the handle at 

any time during operation to automatically 

return the pointer to 0.