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5

ASSEMBLY

Adjusting the Arm Rest

The arm rest may be moved
forward or backwards by removing
the single screw and nut, and then
repositioning the 2-piece arm rest.
Users with shorter arms may find
the arm rest more comfortable in
the forward position.  In order to
move the arm rest backwards, the
plastic plug must be removed from
the aluminum tube.

Arm Rest Strap

(optional accessory) 
The strap is available for purchase
as a separate accessory.  Some
users prefer to use the strap when
swing the detector vigorously, in
order to hold the detector secure
against the arm. 

The detector can also be used
without the strap, with no
compromise to detector balance
and stability under most conditions.

Hand-grip

Nut

Screw

Search
Coil
Cable

Cable
Plug

Searchoil

S-Rod

armrest

Velcro

Strap

Middle
Stem

Velcro

Strap

Locking
Collar

Locking
Collar

Battery
Compartment
(back side)

Headphone Jack

Optional Arm Strap

20

TARGET IDENTIFICATION

Audio Target Identification (ATI) classifies metals into four categories.

BASS TONE

Nails, Iron Objects,

& Smallest Gold Objects

LOW TONE

Pull Tabs, Nickels,

& Smaller Gold

MEDIUM TONE

Zinc Pennies (Post 1982),

Larger Gold Objects, Many

screw caps

HIGH TONE

Copper, Silver & Brass

Copper Pennies

(Pre 1982)

In DISCRIMINATION mode, targets are identified both audibly and visually as
follows:

1. Different pitch tones for different types of metals
2. A 2-digit target I.D.
3. An illuminated icon within the target category best describing it
The detector must be in DISCRIMINATION mode to identify targets.
The ALL METALS mode does not provide target identification.

AUDIO TARGET IDENTIFICATION:

When in the 4-tone mode, tones identify targets as follows:

BASS TONE
Ferrous objects, such as iron and steel, like nails and tin cans.
Smallest-sized gold objects and steel bottle caps

LOW TONE
Foil, pull-tabs (some new style), nickels, steel bottle caps.

MEDIUM TONE
Newer pennies (post-1982 are minted from zinc)
Larger gold pieces, small brass objects, and most bottle screw caps.
Most recent-vintage non-US coins.
Pull-tabs (old style, some new style)

HIGH TONE
Silver and copper coins, large brass objects
Older pennies (pre-1982 were minted from copper)
Dimes, quarters, half-dollars, silver dollars
Susan B. Anthony and Sacajawea dollar coins
Flattened aluminum cans (with a stronger signal than a coin)

Summary of Contents for Gamma 6000

Page 1: ...up or discarding trash items And ALWAYS COVER YOUR HOLES 5 YEAR LIMITED WARRANTY The Gamma 6000 metal detector is warranted against defects in materials and workmanship under normal use for five years...

Page 2: ...ctor Use detector or beeps erratically indoors outdoors only Using detector near Move away power lines from power lines Using 2 detectors in Keep 2 detectors close proximity at least 20 apart Highly o...

Page 3: ...he target is probably a trash item or oxidized metal With practice you will learn to unearth only the repeatable signals The segment identifications are highly accurate when detecting the objects desc...

Page 4: ...pull on the cable Locking Collar Locking Collar Upper Stem Cable Knurled Knob Bolt Coil S Rod Velcro Strap Velcro Strap 2 Digit Target Identification The 2 digit value in the middle of the screen pro...

Page 5: ...ects LOW TONE Pull Tabs Nickels Smaller Gold MEDIUM TONE Zinc Pennies Post 1982 Larger Gold Objects Many screw caps HIGH TONE Copper Silver Brass Copper Pennies Pre 1982 In DISCRIMINATION mode targets...

Page 6: ...g the sound out of the ground or pushing the sound into the ground If the sound is louder as you raise the searchcoil increase the ground balance setting If the sound is louder as you lower the search...

Page 7: ...re there is no metal present In order to avoid locking onto metal the detector will not ground grab where the GROUND setting is less than 40 Where the ground reads less than 40 the ground value is dis...

Page 8: ...TION and CONTROLS cont GROUND BALANCING 4 GROUND GRAB All soils contain minerals Signals from ground minerals interfere with the signals from metal objects All soils differ and can differ greatly in t...

Page 9: ...ls reduce the sensitivity THE BASICS continued How to Pinpoint Position the searchcoil an inch or two 2 5 5cm above the ground and to the side of the target Then press and hold Now move the searchcoil...

Page 10: ...This mode is the default mode and requires the searchcoil to be in motion in order to detect and identify targets This is the mode most commonly used for continuous searching In this mode targets are...

Page 11: ...g If sensitivity is adjusted in any mode the change is also effective for the other modes OPERATION and CONTROLS cont MENU SELECTIONS continued 4 OF TONES While the OF TONES line is highlighted use an...

Page 12: ...ategories sequentially from detection the NOTCH control allows you to selectively include or exclude target categories from detection With each press of or the notched category moves across the displa...

Page 13: ...ategories sequentially from detection the NOTCH control allows you to selectively include or exclude target categories from detection With each press of or the notched category moves across the displa...

Page 14: ...g If sensitivity is adjusted in any mode the change is also effective for the other modes OPERATION and CONTROLS cont MENU SELECTIONS continued 4 OF TONES While the OF TONES line is highlighted use an...

Page 15: ...This mode is the default mode and requires the searchcoil to be in motion in order to detect and identify targets This is the mode most commonly used for continuous searching In this mode targets are...

Page 16: ...ls reduce the sensitivity THE BASICS continued How to Pinpoint Position the searchcoil an inch or two 2 5 5cm above the ground and to the side of the target Then press and hold Now move the searchcoil...

Page 17: ...TION and CONTROLS cont GROUND BALANCING 4 GROUND GRAB All soils contain minerals Signals from ground minerals interfere with the signals from metal objects All soils differ and can differ greatly in t...

Page 18: ...re there is no metal present In order to avoid locking onto metal the detector will not ground grab where the GROUND setting is less than 40 Where the ground reads less than 40 the ground value is dis...

Page 19: ...g the sound out of the ground or pushing the sound into the ground If the sound is louder as you raise the searchcoil increase the ground balance setting If the sound is louder as you lower the search...

Page 20: ...ects LOW TONE Pull Tabs Nickels Smaller Gold MEDIUM TONE Zinc Pennies Post 1982 Larger Gold Objects Many screw caps HIGH TONE Copper Silver Brass Copper Pennies Pre 1982 In DISCRIMINATION mode targets...

Page 21: ...pull on the cable Locking Collar Locking Collar Upper Stem Cable Knurled Knob Bolt Coil S Rod Velcro Strap Velcro Strap 2 Digit Target Identification The 2 digit value in the middle of the screen pro...

Page 22: ...he target is probably a trash item or oxidized metal With practice you will learn to unearth only the repeatable signals The segment identifications are highly accurate when detecting the objects desc...

Page 23: ...ctor Use detector or beeps erratically indoors outdoors only Using detector near Move away power lines from power lines Using 2 detectors in Keep 2 detectors close proximity at least 20 apart Highly o...

Page 24: ...up or discarding trash items And ALWAYS COVER YOUR HOLES 5 YEAR LIMITED WARRANTY The Gamma 6000 metal detector is warranted against defects in materials and workmanship under normal use for five years...

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