Garrett ACE 350 Manual de usuario

1881 W. State Street

Garland, Texas 75042

Tel: 1.972.494.6151

Email: [email protected]

Fax: 1.972.494.1881

ACE 350 Owner’s Manual

Owner’s Manual

Ideally suited for locating

deeply buried relics, jewelry

and coins!

ACE 350™ 1

THANK YOU FOR CHOOSING

GARRETT METAL DETECTORS!

Congratulations on the purchase of your new Garrett

ACE 350™metal detector. This enhanced metal detector

has been specifically designed for use in more challenging

environments such as mineralized grounds and iron-cluttered

relic and coin hunting areas.

The ACE 350 includes Garrett's exclusive Target ID

technology and patented discrimination features. This

technology features two indicator scales that allow you to see

the detector’s discrimination setting (Lower Scale) as well as

the analysis of each detected target (Upper Scale). The ACE

350 also features Enhanced Iron Resolution™(additional

resolution for separating desirable targets from iron junk in

cluttered areas) and a standard 8.5" x 11" elliptical Double-D

searchcoil engineered for optimum performance in more

challenging mineralized soils.

Backed by more than 45 years of extensive research

and development, your Garrett ACE 350 metal detector is

the most advanced of its kind in the industry. Whether you

are experienced or a beginner, this machine is well suited

for a wide variety of your detecting environments. With One-

Touch™operation, the ACE 350 powers on with the touch

of a single button, adjusts easily for ground minerals and is

immediately ready to begin searching.

In order to take full advantage of the special features and

functions of the ACE 350, you are urged to carefully read this

instruction manual in its entirety.

2Garrett Metal Detectors ACE 350™ 3

TABLE OF CONTENTS

ACE 350 Control Panel ........................................................... 4

Quick Start Guide.................................................................... 5

ACE 350 Components ............................................................ 6

List of Parts ............................................................................. 7

Detector Assembly .................................................................. 8

ACE 350 Display Elements...................................................10

Audio Features ......................................................................13

Pushbutton Controls .............................................................14

Setting Custom Modes (Discrim. Patterns) ............................19

Enhanced Iron Resolution ....................................................22

Bench Tests ...........................................................................24

Hunting Tips With Your ACE 350 Detector........................... 27

Target Pinpointing Methods..................................................31

Troubleshooting Guide..........................................................35

Metal Detecting Code of Ethics............................................36

Cautions................................................................................. 37

Caring For Your ACE 350 Detector.......................................38

ACE 350 Warranty / Service ................................................39

ACE 350 Accessories............................................................ 41

Suggested Reading ...............................................................43

4Garrett Metal Detectors ACE 350™ 5

ACE 350 CONTROL PANEL QUICK START GUIDE

1. Install batteries.

The ACE 350 operates with four (4) AA batteries which are

already installed by Garrett.

2. Power ON.

Press and release the ON / OFF Power button. The ACE 350

powers on in the last mode used, automatically adjusts for

ground minerals and is ready to search. (Factory default

mode is Coins.)

3. Select Mode.

Use the Mode Pushbutton to select a different detection

mode, when desired.

4. Adjust settings.

Adjust Sensitivity or Discrimination settings, if desired.

5. Begin scanning.

Lower the searchcoil to 1 to 2 inches above the ground and

scan the coil left and right at approximately 3 ft/second.

Battery Level

Indicator

DISCRIM and Accept/

Reject Pushbuttons

Use DISCRIM (+) or (-) to select a

cursor. Then use (/X) button to set

its discrimination on or off.

SENSITIVITY

Pushbutton

increases or

decreases

sensitivity.

MODE

Pushbutton

selects detection

mode (i.e.

discrimination

pattern).

ON / OFF

Power

Coin Depth

Indicator

indicates depth of

coin-sized target.

Mode

Indicator

Target ID Legend

indicates metal types.

Lower Scale

indicates notch

discrimination pattern.

Target ID Cursor

indicates probable

target identity.

Sensitivity

Setting

PINPOINT

Pushbutton

allows static detection

to precisely locate the

object.

One (1) control housing with

S-shaped stem

One (1) upper stem and one

(1) lower stem connected

One (1) wing nut, two (2)

mounting washers and

one (1) threaded bolt

One (1) 8.5″x11″DD

searchcoil

Owner's manual

Warranty Card

6Garrett Metal Detectors ACE 350™ 7

ACE 350 COMPONENTS













Control

Housing

S-shaped

Stem

Upper

Stem

Lower

Stem

coil

Handle

Grip

Padded

Arm Cuff

LCD

Screen

Detector

Stand

Pushbutton

Controls

Arm

strap

Spring

Clip

LIST OF PARTS

No tools are required to assemble the ACE 350. Four (4) AA

batteries are included with the detector. The box for your

detector contains the following parts:

If any part is missing, please contact your local dealer.

DETECTOR ASSEMBLY

8Garrett Metal Detectors ACE 350™ 9

1. Align the holes in the mounting washers with the

small posts on the lower stem and press firmly into

place.

2. Slide the searchcoil onto the stem.

3. Insert the threaded bolt through the holes of the

lower stem and searchcoil. Hand-tighten the

searchcoil assembly with the wing nut.

4. Depress the spring clip in the S-stem and insert the

control housing into the upper stem.

1. 2.

3. 4.

5. Depress the spring clip in the lower stem and adjust to

the most comfortable operating length.

6. Wrap the cable snugly about the stem with the

first turn of the cable over the stem.

7. Insert the cable connector into the connector of the

control housing and hand-tighten.

5. 6.

7. 8.

8. Adjust the arm cuff by removing the screw on the

bottom and moving it to the other hole.

10 Garrett Metal Detectors ACE 350™ 11

Mode—Indicates which of the five detection modes (Zero,

Jewelry, Custom, Relics or Coins) has been selected by

highlighting the corresponding word on the LCD screen.

Target ID Legend—Works in conjunction with the Target ID

Cursor to indicate a target's probable identity. Ferrous (iron)

targets will indicate on the left half, non-ferrous targets that

are thin or have low conductivity will indicate in the middle,

and thick or high conductivity targets will indicate at the right.

Target ID Cursor (Upper Scale)—The Target ID cursor, in

conjunction with the Target ID Legend, indicates the probable

identity of a detected target. The upper scale consists of

twelve (12) graphic segments for Target ID.

Lower Scale—The lower scale, or Notch Discrimination

Scale, indicates the discrimination pattern. The ACE 350 will

produce an audible target response for the pixels that are

switched on, and no audible response for those that have

been switched off. The Target ID Cursor will always indicate

all targets.

The discrimination pattern can be adjusted by changing

modes and/or using the DISCRIM and Accept/Reject (/X)

pushbuttons (see page 16).

Coin Depth Indicator—The depth of a coin, or similar sized

target, is indicated in 2-inch increments. Sweep over the

target with the searchcoil 1 inch from the soil to get the most

accurate reading. Note: targets larger than a coin may display

shallower than actual depth while targets smaller than a coin

may display deeper than actual depth.

ACE 350 DISPLAY ELEMENTS

The ACE 350 is designed with Garrett’s exclusive Graphic

Target ID technology, which indicates the probable

identification of a target along a horizontal scale that reads

from ferrous metals (e.g. iron) on the left to low conductivity

metals in the middle to high conductive metals (e.g. pure

silver) on the right.



Mode

Indicator



Target

ID Cursor

(Upper Scale)



Target ID

Legend



Discrimination

Pattern (Lower

Scale)



Battery

Level

Indicator



Coin Depth

Indicator



Sensitivity

Indicator

12 Garrett Metal Detectors ACE 350™ 13

Headphone Jack—Any headphones with a 1/4” plug can be

inserted into the jack at the rear of the Control Housing.

Battery Level Indicator—Indicates the current battery

condition. The detector will maintain full performance until

the batteries need to be replaced. Replace batteries when

there is only 1 segment remaining. NiMH rechargeable

batteries may be used, but may have a shorter life per charge.

You can expect 20 to 40 hours of operation depending on

battery type and quality.

Access and replace the batteries by sliding the cover off

the control housing. Remove batteries when the ACE 350 will

be stored for longer than 30 days.

 Sensitivity Indicator—The ACE 350 has eight (8) settings

for sensitivity. (See page 18 for information on when to adjust

your sensitivity settings.)

AUDIO FEATURES

Tone ID—The Tone ID feature produces three distinct audible

tones based on a target’s metal type and conductivity:

 • High conductivity targets (such as silver) produce a

unique belltone signal.

 • Mediumtolowconductivitytargets(suchasjewelryor

small gold), produce a medium-pitched audio signal.

 • Ferrous targets (such as iron and nails)produce

a low-pitch audio signal.

14 Garrett Metal Detectors ACE 350™ 15

PINPOINT Pushbutton

Press and hold the Pinpoint

pushbutton to determine the exact location of a target.

To use the pinpoint function, position the searchcoil to the

side of the target's suspected location at a fixed height above

the ground (e.g. 1"). Press and hold the Pinpoint button and

sweep the searchcoil over the target area while maintaining

the same fixed height above the ground (e.g. 1"). Sweep

the searchcoil side-to-side and front-to-back in a crosshair

pattern to locate the peak signal. Note: it is important to

maintain a constant height during the entire Pinpointing

process to prevent ground mineralization from producing

false signals or masking the target's signal.

The bar graph on the LCD can also aid in locating a peak

signal. When pinpointing, the Upper Scale on the LCD Screen

indicates signal strength. When the greatest number of LCD

segments (increasing left to right on the scale) is shown, the

center of the searchcoil is directly over the target with the

depth of a coin-sized target shown on the depth scale.

With practice, you will be able to pinpoint objects quickly

and accurately.

DISCRIM Pushbutton

(Use in conjunction with the Accept/Reject pushbutton to

modify the discrimination pattern.)

Use the (+) or (-) DISCRIM pushbuttons to move the Target

ID cursor to the left or right. Next, use the Accept/Reject

pushbutton to modify the Lower Scale discrimination pattern.

ON/OFF Power Pushbutton

Press and release to switch the unit ON and resume hunting

with the same settings used prior to turning the unit OFF. To

restore the factory settings, press and hold the power button

for 5 to 10 seconds (until the detector produces a fast double

beep).

MODE Pushbutton

Push the MODE button to select

one of five discrimination modes (Zero, Jewely, Custom,

Relics or Coins). See the next section ("Selecting Modes") for

details on each ACE 350 Mode.

PUSHBUTTON CONTROLS



ON/OFF

Power



MODE

Pushbutton



PINPOINT

Pushbutton



ACCEPT/

REJECT

Pushbutton



SENSITIVITY

Pushbutton



DISCRIM

Pushbutton

16 Garrett Metal Detectors ACE 350™ 17

Accept/Reject Pushbutton

(Use in conjunction with the DISCRIM

pushbuttons to modify the discrimination pattern.)

Press the Accept/Reject pushbutton to eliminate or activate

pixels located on the Lower Scale, directly below the Target

ID cursor.

As seen in the illustration below, the ACE 350 has 12 pixels

or "notches" of discrimination. Any combination of these

pixels can be switched on or off based upon your preference.

There are two primary methods for modifying the Notch

Discrmination Pattern to reject a specific type of trash or

unwanted item while detecting all other metal.

The example below illustrates how to manually use both

the DISCRIM and Accept/Reject pushbuttons to modify the

Notch Discrimination pattern.

Use the DISCRIM buttons to position the Target ID Cursor above the pixel you

wish to eliminate (see above illustration). Use the Accept/Reject pushbutton

(/X) to delete this pixel from the Lower Scale (see below). This item is now

rejected.

The second method of modifying the Notch Discrimination

pattern involves the use of only the Accept/Reject

pushbuttons. When an unwanted metal target is audibly

detected while hunting, simply push the Accept/Reject button

to create a notch where the Target ID Cursor has signaled the

presence of the trash. The next time the ACE 350 encounters

the same trash item, it will not produce an audible signal.

The ACE 350's Accept/Reject pushbutton (/X) can also

be used to find specific metal items. For example, if an

earring has been lost, scan the matching earring with the ACE

350 while in the ZERO mode. Note where the Target ID cursor

appears when the earring is scanned. Next, use the DISCRIM

and Accept/Reject pushbuttons to switch off all the pixels

except the one for the earring.

Note: Depending upon how the lost earring is laying in the

ground, its Target ID may shift a little; therefore, your ability

to find it will be enhanced by turning on an additional pixel

on either side. The ACE 350 is now programmed to find only

the missing earring based on the conductivity of its matching

pair.

Note: The accept/reject function can be used to modify

each Mode’s discrimination pattern. Notch Discrimination

modifications made while in CUSTOM mode will be retained

when the detector is turned OFF. However, all changes made

to the Notch Discrimination pattern while in ZERO, JEWELRY,

RELICS or COINS modes will return to the factory settings

when the detector is turned OFF and back ON again.

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