Garrett CSI 250 Manual de usuario
THANK YOU FOR CHOOSING
GARRETT METAL DETECTORS!
Thank you for choosing Garrett Metal Detectors’
Crime Scene Investigator (CSI) 250 metal detector.
This enhanced metal detector incorporates Garrett’s
exclusive Target ID to help selectively locate all
types of metallic evidence. All of our products are
backed by 40 years of extensive research and
development that ensures your CSI 250 detector is
the most advanced of its kind in the industry.
In order to take full advantage of the special features
and functions of the CSI 250 metal detector, please
carefully read this instruction manual in its entirety.
1
CSI 250
GARRETT CSI 250
CSI 250
TABLE OF CONTENTS
Illustration 3
Parts 4
Assembly 6
Features 10
Pushbuttons / Controls 16
Searching with the CSI 250 22
Making Adjustments 26
Bench Tests 29
Test Plot Construction 31
Troubleshooting Guide 32
Caring for your CSI 250 33
Warranty & Service 35
Accessories 38
2
Garrett Metal Detectors
Control
Housing
S-shaped
Ramrod Stem
Upper
Stem
Lower
Stem
Searchcoil
Threaded
Bolt
Handle
Grip
Padded
Arm Cuff
LCD
Screen
Detector
Stand
Pushbutton
Controls
Washer
Knob
Spring
Clip
3
If any part is missing, please contact your local
dealer.
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CSI 250
4
Garrett Metal Detectors
PARTS
No tools are required to assemble the CSI 250. Four
(4) AA batteries are included with the detector.
Before assembling your CSI metal detector make
certain you have the complete set of parts, which
include:
A. Control Housing with S-shaped Ramrod
Stem and Arm Cuff
B. Upper Stem and Lower Stem
C. One (1) Wing Nut
D. Two (2) Mounting Washers
E. One (1) Threaded Bolt
F. Searchcoil with Cable
G. CSI Carrying Case
H. Headphones
I. Warranty Card
J. Instruction Manual
A
BE
D
CF
G
H
I
J
3. Insert the Threaded Bolt through the holes of
the Lower Stem and Searchcoil. Hand-tighten the
searchcoil assembly with the remaining Wing Nut.
Figure 1-3.
4. Depress the Spring Clip and insert the Control
Housing into the Upper Stem. Figure 1-4.
7
CSI 250
ASSEMBLY
1. Press the two Mounting Washers into the Lower
Stem. Figure 1-1.
2. Slide the Searchcoil onto the Stem. Figure 1-2.
6
Garrett Metal Detectors
Figure 1-3
Figure 1-4
Figure 1-1
Figure 1-2
7. Insert the Cable into the Connector of the Control
Housing and hand-tighten.
8. The location of the Arm Cuff may be adjusted by
removing the screw on the bottom and rotating the
Arm Cuff 180°. Figure 1-8.
9
CSI 250
5. Depress the Spring Clip in the Lower Stem to
adjust to the most comfortable operating length.
Figure 1-5.
6.Wrap the Searchcoil cable snugly about the stem
with the first turn of the cable over the stem.
Figure 1-6.
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Garrett Metal Detectors
Figure 1-7
Figure 1-5
Figure 1-6 Figure 1-8
1. Mode - Indicates which detection mode is
selected by highlighting the corresponding word on
the LCD.
2. Target ID Legend - A Target ID Legend is
located directly above the LCD screen and indicates
commonly found crime scene targets and metals.
When a target is detected, the Target ID cursor will
appear below the word that most likely indicates the
type of target found, based on its conductivity.
3. Target ID Cursor - The Target ID cursor
is illuminated in the Upper Scale and indicates the
probable identity of a detected target.
4. Lower Scale - The lower horizontal scale,
or Notch Discrimination Scale, indicates the
discrimination pattern where the CSI 250 will or
will not produce an audible signal when a target
is located. This scale can be modified in both
detection modes.
11
CSI 250
FEATURES
The CSI 250 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 low conductive metals (e.g.
iron) on the left to high conductive metals (e.g.
silver) on the right.
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Garrett Metal Detectors
Note: For best performance, replace old batteries
with quality alkalineAAbatteries. NiMH rechargeable
batteries may be used, but will have a shorter life per
charge. You can expect 20 to 40 hours of operation
depending on battery type.
Access and replace the batteries by gently sliding
the cover off the control housing. Remove batteries
from the CSI 250 when the unit will be stored for
longer than 30 days.
7. Headphone Jack - Headphones with a
1/4” plug can be inserted into the jack found on the
reverse side of the Control Housing. Headphones
13
CSI 250
No audible signal will be produced when a target is
located where a notch is present (those regions of
the Lower Scale where no segments are visible).
5. Depth - The depth of an .38 caliber bullet,
or similar sized target, will be shown on the LCD
screen. Depth is indicated when the LCD scale is
illuminated at 2”, 4” or 6” or 8+ inches. Sweep over
the target with the searchcoil 1” from the soil to get
the most accurate reading.
Note: Targets larger than a .38 caliber shell
cartridge may display shallower than actual depth
while targets smaller than a .38 caliber cartridge may
display deeper than actual depth.
6. Battery Condition Indicator - An LCD
battery graphic is continuously illuminated to indicate
battery level.
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Garrett Metal Detectors
Be sure to listen carefully to the tone of each target
during your bench tests. With experience, you will
begin to recognize the different tones the CSI 250
makes when hunting as well as the type of targets
they identify.
NOTE: Virtually every U.S. coin will be identified
with the belltone feature.
10. Numeric Reference Scale - The numbers
1 - 12 are shown on the Lower Scale of the LCD
and serve as a visual reference guide for detected
targets based on the target’s conductivity. You can
use this guide as an additional way to determine
where similar targets appear on the LCD.
15
CSI 250
mask external noise, such as traffic, and may enable
you to better identify a target based on its audible
signal.
8. Tone ID - The CSI 250 makes three (Low,
Standard, Bell) audible tones when a target is
detected. These tones, which are determined by the
metal’s conductivity, provide additional information
about your target.
For example, a steel-core projectile may be indicated
with a Low Tone; a .22-casing may produce a
standard tone and 9mm copper projectile may be
identified with a belltone.
14
Garrett Metal Detectors
beeps twice.
2. MODE - Press the MODE pushbutton to select
one of two desired detection modes:
•ALL-METAL Mode - This is the CSI 250’s factory
default mode and is designed to detect every type
of metal (i.e. no discrimination or type of metals
eliminated). It is the most effective mode when the
exact materials of a desired object are unknown.
• CUSTOM Mode - This Mode can be programmed
solely by the operator. The CUSTOM mode is
factory preset with the same settings as the ALL-
METAL Mode. Using the DISCRIM and ELIM
push buttons, an operator can modify the Notch
Discrimination settings to individual specifications.
These modifications will be retained in the CUSTOM
Mode when the CSI 250 is turned OFF.
The CUSTOM Mode can be used to find specific
17
CSI 250
PUSHBUTTONS / CONTROLS
1. PWR - Press and release the PWR (Power)
pushbutton to turn the detector ON and OFF.
Note: After turning detector OFF, wait 3 to 5
seconds before turning the unit ON again.
The PWR (Power) pushbutton can also be used
to reset all settings to factory preset by pressing
and holding for 5 - 10 seconds, or until the detector
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Garrett Metal Detectors
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