Garrett Investigator G-500 Bedienungsanleitung

SPECIAL NOTICE

The Garrett Investigator G-500 metal detec-

tor is a precision electronic instrument that

utilizes high technology to help locate hidden

evidence, weapons and other metallic

objects of all kinds while giving years of trou-

ble-free service.

NOTE: All you will ever need to know to

operate this detector can be found on Pages

12-16. Later pages simply provide additional

details.

This amazing instrument with its computer-

ized microprocessor-controlled circuitry is

extremely easy to operate. Yet, those who

demand it will find the Investigator G-500

meticulously adaptable to their own personal

style of searching with a metal detector.

This new detector is built to withstand

rugged treatment in the outdoors, but you

should always handle the detector carefully.

PN 1529570 Rev B

2Garrett G-500

CONTENTS

Assembly 9

Touchpads 12

Graphic Display 14

BASIC INSTRUCTIONS 15

Adjustments - Mode 20

Depth 21

Audio Threshold 22

Headphone Jack 24

Setting Discrimination

(Notch Patterns) 25

Bench Testing 29

Operating Recommendations 32

Electronic Pinpointing 37

Depth Measuring 35

Battery Information 42

Hip Mount Use 47

Searchcoils 49

Recommended Accessories 51

Maintenance 52

Repair Service 54

Recommended Reading 57

Specifications 59

Protect it at all times from mist, rain or blow-

ing sand and keep it as clean as possible.

Trademarks: GTA, Investigator G-500, and

Graphic Target Analyzer are TM of Garrett

Electronics, Inc.

PN 1529570 Rev B

4Garrett G-500

objects. It offers the professional investigator

added depth and the adjustment precision

available only with computerized microproces-

sor controls. The completely new Graphic

Target Analyzer (GTA) display offers target

acceptance, rejection and other data never

before available.

Press the POWER touchpad and begin hunt-

ing immediately without interference from

ground minerals. As the world's most intelligent

detector, the Investigator G-500 is preset at the

factory to begin operations in an All Metal

detection mode. Of course, you can easily

adjust the instrument to change discrimination

in that mode or a second program offered for

your convenience in searching.

When you find a cartridge-sized metal target,

press the PINPOINT pad to discover its exact

location and depth. Your Investigator G-500 is

equipped with an 8 1/2-inch Crossfire search-

coil. Other accessories are listed on Page 42.

Welcome again to the Garrett metal detecting

TO THE OPERATOR

As the operator of a Garrett Investigator G-

500, you join a worldwide fraternity of security

and law enforcement officers who use Garrett

detectors as crime-fighting weapons.

Garrett is famed throughout the world for man-

ufacture of the SuperScanner hand-held and

Magnascanner walk-through detectors.

Lawmen and women have used their Garrett

instruments to find guns, knives, bullets and

weapons and contraband of all types. You too

can be more efficient and successful with the

Investigator G-500 detector. This Operator's

Manual will describe the basic functions of the

detector and explain how you can use it to

locate all types of metal objects.

The G-500, whose microprocessor-controlled

circuitry has already been acclaimed and

proven through countless hours of field use, is

unparalleled in the simplicity of its ability to

locate evidence, weapons and other metallic

PN 1529570 Rev B

6Garrett G-500

ASSEMBLY

The Investigator G-500 is shipped complete in

one carton:

• Control Housing

• Upper & Lower Stems

• Crossfire Searchcoil

• Parts Envelope (Contents listed

below)

Make certain all of these parts are included

and are undamaged. Immediately report short-

ages or damages to your dealer. Follow these

assembly instructions. No tools are required.

Hand pressure will be satisfactory for all tight-

ening.

1. Open the clear plastic envelope which con-

tains two (2) spring clips, two (2) knobs, two (2)

washers and one (1) threaded bolt. Compress

the button ends of one spring clip and insert,

button-end first, into the lower stem of your

detector so that the buttons pop out of the

holes. Insert the other clip into the stem con-

nector at the rear of the electronic control

fraternity. In selecting an Investigator G-500

you have taken the advice of experienced law

enforcement officers. Now, use one of the

world's most capable automatic metal detec-

tors to let Garrett help you fight crime!

PN 1529570 Rev B

8Garrett G-500

4. As shown, wrap searchcoil cable securely

around stem and connect to detector. The first

cable turn goes over the top of the stem. The

cable should be snug but still slightly loose so

that the angle of the searchcoil can be

changed easily, when required. To connect

cable to the detector insert the cable connec-

tor, as shown below, into the housing connec-

tor and rotate collar clockwise until secure

(approximately four turns). Hand tighten only.

Never use any kind of lubricant.

The Investigator G-500 is equipped with eight

(8) AA batteries.

housing. The two sets of buttons will enable

you to secure the top stem to the control hous-

ing and adjust length of the overall stem.

2. Attach the lower stem to the searchcoil by

inserting the two rubber washers onto this

stem and slipping the searchcoil onto it. Place

the threaded bolt through the holes in the con-

nector and hand-tighten the knobs. Use no

tools. Insert upper stem into the control hous-

ing.

3. Depress the buttons in the lower stem and

insert it into the upper stem. Let buttons pop

into the holes to achieve desired stem length.

The third set of holes from the end is most

commonly used.

PN 1529570 Rev B

10 Garrett G-500

Set DISC

This control pad in conjunction with the cursor

of the Upper Scale governs the Discrimination

Segments on the Lower Scale of the LCD

which determine discrimination notches. If a

segment is shown, pressing this pad will elimi-

nate it. If it is not shown, pressing this pad will

display it.

PINPOINT

Activates the pinpointing function and causes

depth of cartridge-sized targets to be shown on

the Lower Scale.

LAST MODE

Alternately switches operations between

Modes A and B.

- & +

1. Adjusts levels of threshold and depth

2. Moves cursor in Upper Scale when setting

discrimination

CONTROL TOUCHPADS

POWER

1. Turns detector on;

2. Turns detector off;

3. Resets detector to factory calibration.

Set DEPTH (Sensitivity)

Permits using the + and - touchpads to regu-

late depth (sensitivity) of the detector. See

Set AUDIO

Permits using the + and - touchpads to regu-

late the audio threshold.

PN 1529570 Rev B

12 Garrett G-500

BASIC INSTRUCTIONS

The next four pages of this Operator's Manual

contain basic operating information about the

Investigator G-500 . Although this detector is

among the most advanced instruments manu-

factured today, it is the simplest to operate of

all the detectors that have ever been designed

and produced by Garrett. You can begin

searching with it immediately. No special

instructions are needed beyond what's includ-

ed in the next four pages. Start finding evi-

dence and hidden weapons right now!

To Begin

1. There are no dials to turn no controls to

adjust. Just grasp the handle of your G-500,

and lower the searchcoil to a level about one

foot above the ground.

2. Press and release the POWER touchpad.

After you hear two beeps, the Investigator G-

500 is ready for detecting in Mode A.

Whenever the detector is turned on, it will

always begin operating in this mode which is

GRAPHIC DISPLAY

Metal ID Guide

At top of the control panel various metals and

metallic items are specified for use with the

Upper Scale to help identify targets.

Upper Scale

1. Indicates target discovered

2, Indicates sensitivity/threshold

3. Indicates maximum pinpoint signal

4. Indicates cursor location

(For changing discrimination patterns)

Lower Scale

1. Indicates discrimination (notch patterns)

2. Indicates coin depth when pinpointing

PN 1529570 Rev B

14 Garrett G-500

ond. Maintain your coil at a height of one to two

inches above the ground. Detection of a metal

target will be indicated by an increase in sound

and visual indications on your Graphic Target

Analyzer (GTA).

Discovery

Locate your target precisely by scanning back

and forth to locate the loudest signals. The

Upper Scale of the Graphic Display will indi-

cate a detected target as shown below. This

indication cursor remains for five seconds or

until a new target is detected (whichever

comes first). The Metal ID Guide (below

Graphic Display) helps to identify targets.

set at the factory to detect all metallic targets.

NOTE: Only a light touch is all that is ever nec-

essary to activate any touchpad.

3. As noted, Mode A of the Investigator G-500

offers no discrimination. It will detect all metal

targets.

Mode B discriminates against some targets

made of junk metal, which means that the

detector will sound no signal when such tar-

gets are detected. (Every target detected is

ALWAYS shown by the cursor on the Upper

Scale.) Mode settings can be changed easily,

but you may never want to do so!

It is recommended that you not attempt to use

any discrimination for the first few hours of

searching.

Scanning

Swing the searchcoil back and forth in front of

you in a straight line. Keep the searchcoil mov-

ing at a rate of about one to two feet per sec-

PN 1529570 Rev B

16 Garrett G-500

could ever find. The array of data presented on

the Graphic Display makes you more aware of

all these targets. Additional operating experi-

ence with this detector will give you a better

understanding of how its Graphic Display com-

bines with the audio to present target signals.

You will quickly master your new detector

because of its simplicity. Yet, the Investigator

G-500 with controls based on patented micro-

processor technology has more discrimination,

mode sensitivity and effectiveness than any

other detector ever manufactured.

To turn off your detector simply press and

release the POWER touchpad. Operating bat-

tery power is disconnected.

Special Note on Settings

If you are ever unsure about the settings of

your detector, just press and hold the POWER

touchpad for 10 seconds (or, until you hear a

single "beep"). This will restore manufacturer's

settings and return your Investigator G-500 to

its factory-set All Metal mode.

JUNK TARGETS

Because your Investigator G-500 in its facto-

ry-set Mode A detection mode responds audi-

bly to all metal items, you will probably detect

numerous "junk" items. You'll soon learn, how-

ever how these targets respond with a quick,

sharp sound not like the clear, strong signal of

a weapon or shell casing. Before you dig up

some of the targets that make irregular audio

"blips," see how they register on the Upper

Scale of the Graphic Display in relation to the

Metal ID Guide. Speed up your searching by

learning to recognize as many of these junk

targets as you can.

You may have encountered an occasional

instance when the Graphic Display seemed to

be presenting conflicting information. This

probably occurred when your detector was

attempting to analyze two or more different tar-

gets beneath its searchcoil. Don't be alarmed.

This condition happens with all detectors, but

the GTA discovers vastly more targets than

old-style instruments with their limited circuitry

PN 1529570 Rev B

18 Garrett G-500

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