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10 Garrett Metal Detectors

ACE 300

i

™  11

  • RELICS Mode

—designed to eliminate small iron pieces, 

while detecting good targets in the lower conductivity range, 
such as lead, brass and bronze�
 

• COINS Mode

—designed to find most types of coins 

and to eliminate common trash items such as iron and foil� 
Some desirable items that respond the same as foil may be 
missed� Some digging of junk targets is to be expected, such 
as aluminum cans� 

SENSITIVITY

SENSITIVITY 

Button

Sensitivity 

Indicator

  Use the (+) or (–) SENSITIVITY buttons to step through the 
eight (8) levels� Use increased sensitivity when searching for 
very small or very deep targets� Use lower sensitivity levels 
when the detector is behaving erratically (due to excessive 
metallic trash, highly mineralized soils, electrical interference 
or the presence of other metal detectors) and the erratic 
operation cannot be resolved with discrimination or by 
changing frequency�

NOTCH DISCRIMINATION

  Notch Discrimination

—Use the DISCRIM (+) or (–) buttons 

in conjunction with the ELIM (

/X ) button to eliminate trash 

objects from detection such as foil or pull-tabs� 
 The 

ACE 300

i

 has 12 pixels or "notches" of discrimination, 

shown on the lower scale� Any combination of these pixels can 
be switched on or off based upon your preference� There are 
two primary methods for modifying the Notch Discrimination 
Pattern to reject a specific type of trash or unwanted item�  
  For the first method use the (+) or (-) DISCRIM buttons 
to move the Target ID cursor to the left or right� Next, press 
the  (

/X )  button to eliminate or activate the pixel located 

on the Lower Scale, directly below the Target ID cursor� 

(See 

illustrations on next page.)

  The second method of modifying the Notch Discrimination 
pattern uses only the (

/X ) button� When an unwanted target 

is audibly detected, simply push the (

/X ) button to create 

a notch at that Target ID Cursor� The next time this item is 
encountered, it will not produce an audible signal�
 

Tip:

 Notch Discrimination can also be used 

to find specific 

metal items

� For example, if an earring has been lost, scan the 

matching earring in ZERO-DISC mode and note its Target ID 
cursor� Then use the DISCRIM and (

/X ) buttons to switch off 

all the pixels except the one for the earring and an additional 
pixel on either side to account for some ID variations�

Summary of Contents for ACE 300i

Page 1: ...tt Electronics Inc PN 1534210 A 0216 1881 W State Street Garland Texas 75042 USA Tel 1 972 494 6151 Email sales garrett com Fax 1 972 494 1881 ACE 300i Owner s Manual Owner s Manual English Spanish Fr...

Page 2: ...mation 7 Audio Features 8 Selecting Modes Discrimination Patterns 9 Sensitivity 10 Notch Discrimination 11 Iron Masking 13 Pinpointing 14 Bench Tests 16 Hunting Tips With Your ACE 300i 17 Troubleshoot...

Page 3: ...The coil must be in motion for target detection but can remain stationary during Pinpoint ACE 300i CONTROL PANEL Sensitivity Setting DISCRIM and Accept Reject Buttons Use DISCRIM or to select a curso...

Page 4: ...up Headphones Warranty card Manual Loosen lower camlock and extend lower stem Insert mounting washers connect searchcoil to stem as shown and hand tighten wing nut Loosen upper camlock insert S stem w...

Page 5: ...to indicate a target s probable identity with Ferrous iron targets at the left non ferrous targets that are thin or have low conductivity in the middle and thick or high conductivity targets e g thick...

Page 6: ...above the ground DIGITAL TARGET ID SELECTING MODES Discrimination Patterns Choose from one of four preset discrimination patterns or use CUSTOM Mode to save a personal pattern Use the MODE buttons to...

Page 7: ...h objects from detection such as foil or pull tabs The ACE 300i has 12 pixels or notches of discrimination shown on the lower scale Any combination of these pixels can be switched on or off based upon...

Page 8: ...stration 2 Modify pattern with these buttons Use the NOTCH DISC buttons to position the Target ID Cursor above the pixel you wish to eliminate see above illustration Use the ELIM button to delete this...

Page 9: ...and front to back in a crosshair pattern to locate the peak signal indicated by the loudest audio and the greatest number of segments on the Upper Scale The center of the searchcoil is directly over t...

Page 10: ...cords or surface markers to indicate your test plot targets and their depths Try testing these targets again in several months after the ground has settled during periods of extreme drought or after a...

Page 11: ...fficult angle for your detector to read Scan from different directions to help define the signal In the case of multiple targets switch to the ZERO DISC Mode or press the pinpoint button to precisely...

Page 12: ...ng sport of metal detecting We encourage you to do the same I will respect private and public property all historical and archaeological sites and will do no metal detecting on these lands without pro...

Page 13: ...and blowing surf When storing for longer than one month remove the batteries from the detector When changing batteries use quality alkaline or rechargeable batteries and replace with all new batteries...

Page 14: ...uding optional ACE searchcoils Garrett Pro Pointer pinpointing detectors and a wide selection of books on treasure hunting are available from your dealer or by calling Garrett s factory at 1 800 527 4...

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