ISA BOOMERANG NJD-5 Operator'S Manual Download | Manualshive

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Page

17

ACCESSORIES

Quantity

Part

No.

Item

2

5258

Fuse

‐

2.5

amp

5x20mm

1

41068

Boom

Handle

1

41077

End

Bolt

and

Antenna

Swivel

Mount

1

41079

Target

4

41069

Velcro

Strips

1

41055

Manual

1

41075

Small

Accessories

Pouch

1

41080

Mono

Headset

w/

1/4"

Plug

1

41085

Poke

Stick

1

41166

3

foot

AC

Cord

1

41164

Switching

DC

Power

Supply/Charger

1

41165

Backpack

Harness

2

41071

8

ft.

Coax

Cable

1

41140

8

ft.

Meter

Cable

1

41066

Antenna

/

Meter

1

42014

Storage/Carrying

Case

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Summary of Contents for BOOMERANG NJD-5

Page 1: ...TS COPYRIGHT 2007 INFORMATION SECURITY ASSOCIATES Rev January 8 2008 Information Security Associates LLC BOOMERANG NON LINEAR JUNCTION DETECTOR MODEL NJD 5 OPERATOR S MANUAL ISA Information Security A...

Page 2: ...tup 6 Section 4 Operation 9 Important Notes On Full Scale Readings 10 Use of Attenuator 11 Section 5 Operational Notes and Hints 12 Phantom Returns and Interfering Signals 12 Resolving Indications of...

Page 3: ...ped in avalanches and more commonly are seen in electronic article surveillance systems to deter shoplifting Detectors of this sort consist of a transmitter and a receiver that is tuned for instance t...

Page 4: ...r metallic oxides These metallic oxides commonly occur in building and furniture construction and are found in furniture and other office type products like three ring binders and paper clips In this...

Page 5: ...0 or 2745 MHz The switch marked Normal 2nd Only is used to turn off the 3rd harmonic receiver This is useful when a return needs to be evaluated in depth The audio section of the NJD 5 switches betwee...

Page 6: ...ead of the bracket on the antenna has two slots machined into it to be used to lock the antenna in certain orientations CABLES The NJD 5 electronics package contains a transmitter and receiver These a...

Page 7: ...strap is not recommended because it leads to rapid operator fatigue and discomfort The backpack harness allows the NJD 5 to be carried on the lower back where controls are accessible and weight is ev...

Page 8: ...be loosened 4 Connect a set of coaxial cables to the antenna The coaxial cable assembly is built with male and female connectors to prevent incorrect connection of antenna elements 5 Connect the mete...

Page 9: ...come on Turn the knob slightly back clockwise until the tone stops Set the Attenuator to the 9 dB setting 12 Remove the test target from its envelope Hold it between thumb and forefinger in front of t...

Page 10: ...he short side of the antenna Try different orientations of the antenna and the target to get the strongest return signal 17 Attach the backpack style carrying strap Clip the short ends of the strap to...

Page 11: ...le before the 3rd harmonic meter displays any return at all 4 If the non linear junction you have detected is a metal to metal contact such as a sheetrock screw in a steel stud or two dissimilar metal...

Page 12: ...This indicates a corroded junction because of the high level of 3rd harmonic IMPORTANT NOTE ON FULL SCALE READINGS If both 2nd and 3rd harmonic displays are full scale when looking at a target the ope...

Page 13: ...ble electronic devices They may be detected in many directions from some distance away When this is the case it may be difficult to determine what exactly the NJD 5 is detecting The solution to this d...

Page 14: ...ng detected by the NJD 5 which appears to come from all directions and changing the direction the antenna is pointing in does not eliminate the signal This is caused by a signal from another transmitt...

Page 15: ...ng room If it is suspected that a legitimate electronic device is the cause of the return move the device and use the NJD 5 to look from the adjoining area back into the room under investigation at th...

Page 16: ...fices this molding is a rubber or plastic strip that can be removed and re installed If the wall has a papered surface make a slit in the paper and peel it back enough to create a small opening into t...

Page 17: ...when the battery reaches a certain level of charge This avoids the gradual deterioration of detection ability that occurs when the battery reaches a critical level of discharge 4 Take care when connec...

Page 18: ...full charge will be made in 6 hours Charging for more than 8 hours can overcharge the battery and shorten its useful life The BOOMERANG is designed to use its battery as the primary power source The...

Page 19: ...nt 1 41079 Target 4 41069 Velcro Strips 1 41055 Manual 1 41075 Small Accessories Pouch 1 41080 Mono Headset w 1 4 Plug 1 41085 Poke Stick 1 41166 3 foot AC Cord 1 41164 Switching DC Power Supply Charg...

Page 20: ...examination by Information Security Associates LLC shall be found to have been originally defective INFORMATION SECURITY ASSOCIATES LLC SHALL NOT BE LIABLE FOR LOSS OR DAMAGE CAUSED EITHER DIRECTL Y O...

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