Schonstedt SPOT Instruction Manual

Magnetic locator

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Instruction Manual
Magnetic Locator
Schonstedt Instrument Company
100 Edmond Road, Kearneysville, WV 25430
P: (304) 725-1050
l
www.schonstedt.com
l
schonstedt.inf@spx.com

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Summary of Contents for Schonstedt SPOT

  • Page 1 Instruction Manual Magnetic Locator Schonstedt Instrument Company 100 Edmond Road, Kearneysville, WV 25430 P: (304) 725-1050 www.schonstedt.com schonstedt.inf@spx.com...
  • Page 2 Im po rta nt No tic e Sc ho nste d t b e lie ve s the sta te me nts c o nta ine d he re in to b e a c c ura te a nd re lia b le ; ho we ve r, the ir a c c ura c y, re lia b ility, o r c o mp le te ne ss is no t g ua ra nte e d .
  • Page 3: Table Of Contents

    Table of Contents Chapter 1: Introduction ...................... 4 Chapter 2: Operating Instructions ..................6 Operating Controls ....................7 Signal Strength ......................8 Battery Level ......................8 Replacing the Battery ....................8 Chapter 3: Operating Recommendations and Application Notes ..…………………..9 Search Procedure ....................
  • Page 4: Chapter 1: Introduction

    INTRODUCTION Page | 4...
  • Page 5 This creates a signal strength that is larger than zero (which would occur when the field strength is the same at both sensors). The audio response of SPOT is designed so that the frequency of the audio tone increases as the detected signal strength increases. As a result, the frequency of the audio output is higher than the idling frequency (~ 30 Hz), which exists when the signal strength is approximately zero.
  • Page 6: Chapter 2: Operating Instructions

    OPERATING INSTRUCTIONS Page | 6...
  • Page 7: Operating Controls

    Operating Controls The controls on SPOT are designed to be intuitive and require minimal training for effective use. The locator can easily be operated with one hand. G a in Vo lume O N/ O FF Figure 2: SPOT® Membrane Switch ON/OFF: Push this button to turn the unit on or off.
  • Page 8: Signal Strength

    6.0 V, the unit turns off to protect the electronic circuits inside. Replacing the Battery SPOT is powered by one 9-volt disposable battery. The battery compartment is located near the top of the locator, as shown in Figure 3. To remove the battery, simply unscrew the two flat head screws holding the battery door.
  • Page 9: Chapter 3: Operating Recommendations And Application Notes

    OPERATING RECOMMENDATIONS AND APPLICATION NOTES Page | 9...
  • Page 10: Search Procedure

    Basic Signal Patterns with SPO T When SPOT is positioned directly over a vertical target, the signal strength will peak (audio signal will be at highest frequency, depending on the gain setting). The audio signal also peaks over each end of a horizontal target, as shown in Figure 5.
  • Page 11 After you have detected the presence of a target, hold the locator vertically, slowly move it back and forth in an "X" pattern and listen to the audio response. The audio peak will occur when the locator is directly over a vertical target, or it will occur over the ends of a horizontal target.
  • Page 12: Strongly Magnetized Markers

    Strongly Magnetized Markers A strongly magnetized marker, at or near the surface, provides a weaker indication on both sides of the marker that could be mistaken for the marker. In Figure 8, the heavy line represents the increase and decrease in the audio signal frequency as you move the locator over a marker.
  • Page 13: Locating Manholes, Septic Tanks And Well Casings

    Figure 10: Locating Manhole Covers Figure 11: Locating Water Well Casings SPOT can be used to precisely locate the metal handles or reinforcing bars on septic tank covers at depths of up to 5 feet. Figure12: Signal Pattern Provided by Septic Tank Covers...
  • Page 14: Locating And Tracing Barbed Wire

    Locating and Tracing Barbed Wire You can often trace barbed wire (from old fence lines) buried just beneath the surface. Even if the wire is only a trail of rust, it can still be detected near the surface. Tip the locator a little lower than usual (but not parallel with the ground).
  • Page 15: Locating Valve Boxes

    Along the fence, perform the search by slowly moving the locator forward while also moving it to the right and to the left. As you move forward, this technique will allow you to search an area that is several feet wide. Listen for an abrupt drop in the signal (as shown by the null in Figure 15) that will occur when the lower sensor, located 1-5/8 inches from the end of the locator, is directly over the stake.
  • Page 16: Locating Cast-Iron Pipes

    Locating Cast-Iron Pipes Cast-iron pipes produce the strongest magnetic signals at their joints. Figure 17: Signal Patterns Provided by Cast-Iron Pipes After an initial sweep search identifies the general direction of the pipe, the steel pipe joints or transition points can be more accurately traced by the following procedure: 1.
  • Page 17: Locating Steel Drums

    Figure 18: Signal Patterns Provided by Steel Drums Additional Notes 1. SPOT can detect buried ordnance and discarded weapons. SPOT is a viable tool for use by the military and local/state police departments. 2. People drilling in an area where hazardous materials might be encountered can use SPOT to search the area prior to drilling.
  • Page 18: Chapter 4: Specifications And Regulatory Compliance

    SPECIFICATIONS AND REGULATORY COMPLIANCE Page | 18...
  • Page 19: Specifications

    Specifications * Audio Output Frequency increases or decreases with signal strength (gradient field intensity). Range: 30 to 4000 Hz. Low Battery 0.5 sec Audio beep, every 13 seconds, when lower than 6.8V Gain 5 levels: Extra Low (1), Low (2), Medium (3), High (4), Extra High (5) Audio: Progression of audio beeps to correlate with gain setting (one beep for #1, two beeps for # 2, and so on) Volume...
  • Page 20: Regulatory Compliance And Declaration Of Conformity

    Regulatory Compliance and Declaration of Conformity FCC: ++++ FCC Part 15B, Class B This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 21: Chapter 5: Technical Support/Service Information

    TECHNICAL SUPPORT/SERVICE INFORMATION Page | 21...
  • Page 22 Schonstedt offers technical support and sales support. For any reason, regarding usage and application, please contact our technical support team at 888-367-7014. FOR SERVICE OR REPAIR Please ship unit to: Schonstedt Instrument Company 100 Edmond Road Kearneysville, WV 25430 Attn: Customer Service Dept.
  • Page 23: Chapter 6: Warranty

    WARRANTY Page | 23...
  • Page 24 Prior to a repair being performed by Schonstedt, a cost estimate will be submitted and no work will be completed until authorized by the customer. Batteries are specifically excluded under the warranty and should be addressed to the manufacturer of batteries in question.

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