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Use 9-volt

ALKALINE batteries.

Do not use

“Heavy Duty” batteries.

Do not use

ordinary “Zinc Carbon” batteries.

Thanks for choosing our GC-1071 metal detector. With this metal detector, you can 

hunt for coins, relics, jewelry, gold, and silver just about anywhere. The detector 

comes with high sensitivity and strong ability of discrimination. 

FEATURES: 

LCD Display:  

Shows the probable type of metal, the depth of the target, range of 

DISC, NOTCH, the level of SENS, VOLUME and battery condition. It also has 
digital display for target ID.

Three Tone Audio Discrimination: 

Sounds three distinctive tones (high, medium 

and low) for different types of metal.

Five Controls:
--POWER: 

Turns on or off the power.

--MENU: 

Press it to select desired operation mode and the setting of SENS and 

VOLUME.

--INCREASE (+): 

Increase the level of sensitivity or volume and the range of DISC 

(discrimination) or NOTCH. 

--DECREASE (-): 

Decrease the level of sensitivity or volume and the range of 

discrimination or NOTCH. 

--PP: 

Pinpoints the location of the target accurately.

Headphone Jack: l

Lets you connect headphones of 3.5mm and operate without 

trouble.

240mm Waterproof Search coil: 

Lets you use the detector even if you must put it 

under shallow water.

Adjustable Shaft: 

Lets you adjust the length of shaft for comfortable use.

Power: 

The detector requires two 9-volt alkaline batteries (not incl.).

Backlight: 

For better use in dark areas.

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Summary of Contents for GC-1071

Page 1: ...Metal Detector Owner s Manual Customer Service Email service ulhund com Model GC 1071...

Page 2: ...CONTENTS English 1 13...

Page 3: ...gh medium and low for different types of metal Five Controls POWER Turns on or off the power MENU Press it to select desired operation mode and the setting of SENS and VOLUME INCREASE Increase the lev...

Page 4: ...st follow these steps 1 Unscrew the fixing knob on the search coil and remove the knob connector Place the washers into the groove of the lower stem Then insert the stem and align the holes on the sea...

Page 5: ...tem and slide the stem into the middle stem 3 Press the silver button in the middle stem and slide the stem into the S stem Tighten the lock nut on the S stem 4 Press the silver button in the top stem...

Page 6: ...plug into the headphone jack at the bottom of the control box At this time the internal speaker disconnects Warning Dispose of old batteries properly Never bury or burn them Cautions Use only fresh a...

Page 7: ...ss the button to power on the detector Press it again to power off the detector MENU Press MENU to make it active and to select desired operation mode the setting of SENS or VOLUME LCD DISPLAY CONTROL...

Page 8: ...uired a motionless search coil over a metal target will induce sound SENS Sensitivity Adjust the sensitivity from 1 to 10 The higher the number the more sensitive the detector This sensitivity control...

Page 9: ...5 ALUM Zn Press or to program the NOTCH feature Each press of or cycles to a new category and that category icon will flash for 3 seconds Then the category will reverse status Alternatively press MEN...

Page 10: ...s rings and jewelry d Turn off lights or appliances whose electromagnetic emissions may cause interference e Pivot the search coil back f Press POWER to power on 3 Using DISC Discrimination Feature a...

Page 11: ...and then raise coin away from search coil d Notice that the sound changes as the coin moves closer and farther e Notice that the depth indicator changes as the coin moves up and down 6 Adjusting SENS...

Page 12: ...at the end of a sweep will cause false readings Sweep slowly hurrying will cause you to miss targets It s better you sweep the search coil from side to side in an arc line of 3 inches motion and keep...

Page 13: ...und and to the side of the target 3 Move the search coil slowly across the target and you can locate it by the sound The target is located directly under where the sound is loudest Narrow it Down 1 To...

Page 14: ...mits several sounds at once 1 Sensitivity set too low 2 Target range is elimi nated 3 Search coil is not parallel to the ground 1 Increase sensitivity 2 Recover all target range 3 Adjust the search co...

Page 15: ...E mail service ulhund com Facturer Shanghai 21 st Century Electronic EquipmentCo Ltd Address No 147 Huayi Road One Jiading 20000 Shanghai China Company Like Sun GmbH EC REP Address Planckstr 59 45147...

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