JW Fishers DIVER MAG 1 Operation And Maintenance Manual Download Page 5 | Manualshive

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DIVER MAG 1 SPECIFICATIONS

DIMENSIONS/WEIGHTS:

• Diver Mag 1 ................................................. 52’L x 6”Dia........................................... 37 lbs.
• Carrying case ........................................ 59”L x 18”D x 22”H ..................................... 50 lbs.
• Total Shipping ........................................ 59”L x 18”D x 22”H ..................................... 87 lbs.

MATERIALS/COLOR:

• Diver Mag 1 ..................................................................... High impact PVC, stainless/yellow

PERFORMANCE/DESCRIPTIONS:

• Sensitivity (switch adjustable) ................................................................... resolves 1 gamma

• Maximum detection distance ................................................................................. 1,500 feet
• Cycle time (switch adjustable) ....................................................................... 2/5/10 seconds
• Depth rating .............................................................................................................. 200 feet

OPTIONS

• Spare 12v battery pack with underwater housing (belt mounted).
• Dual underwater earphones.
• Land earphones.
• 220 vac charger (Europe).

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Summary of Contents for DIVER MAG 1

Page 1: ...1 DIVER MAG 1 MARINE MAGNETOMETER MAINTENANCE MANUAL OPERATION AND REV 709...

Page 2: ...R MAG 1 MARINE MAGNETOMETER OPERATION AND MAINTENANCE MANUAL JW FISHERS MFG INC 1953 COUNTY ST E TAUNTON MA 02718 USA 508 822 7330 800 822 4744 FAX 508 880 8949 Email jwfishers aol com WEB www jwfishe...

Page 3: ...ETECTION RANGES 6 INTRODUCTION TO MAGNETOMETERS 7 THEORY OF OPERATION 8 SYSTEM BREAKDOWN 9 OPERATION 13 RECHARGING BATTERY 17 SPARE BATTERY HOOKUP 17 FILLING THE SENSOR HOUSING WITH FLUID 13 BUOYANCY...

Page 4: ...the unit DO Always operate unit on land before taking in water at a new location to be sure unit is tuned correctly Operate with fully charged battery Verify readings by numerous passes before digging...

Page 5: ...RIALS COLOR Diver Mag 1 High impact PVC stainless yellow PERFORMANCE DESCRIPTIONS Sensitivity switch adjustable resolves 1 gamma Maximum detection distance 1 500 feet Cycle time switch adjustable 2 5...

Page 6: ...fish gets closer the readout continues to decrement At 20 you can expect the readout to be at 48 215 total change of 25 gamma As the fish passes next to the plane the digital readout could be several...

Page 7: ...es magnetite was often used as ballast One of the largest finds was a galleon off Florida found 45 years ago carrying four hundred million dollars worth of gold and silver The wreck was found with a p...

Page 8: ...he amplifier it filters the signal and counts the pulses The microprocessor converts the count to gammas and sends the results to the READOUT The READOUT stores and displays the count The process is t...

Page 9: ...vent bolt that will allow water into the chamber This feature allows the operator to adjust the buoyancy of the unit by allowing a controlled amount of water into the buoyancy chamber The Diver Mag 1...

Page 10: ...n used to locate small targets Best position for general searching G5 The gamma reading is divided by 5 before it is displayed A one digit change in the readout indicates a five gamma change More stab...

Page 11: ...by cycling again LOW BATTERY The LOW BATTERY LED will illuminate when the battery voltage drops below a factory set voltage reference A low battery indication begins by the LED blinking on during pol...

Page 12: ...vailable 220 vac Charger A transformer for European use MAP INSTRUCTIONS The purpose of the world map is to inform you of the normal gamma reading in your area This information is necessary for tuning...

Page 13: ...ing a 9 16 wrench remove the 3 8 black aluminum vent plug do not lose the o ring under the head of the bolts 5 Wear safety glasses 6 Usingasmallfunnel Slowlypourthecharcoallighterfluidintothecenterfil...

Page 14: ...seconds power is automatically turned on The following sequence takes place 1 The microprocessor is initialized and several test cycles are made The readout remains blank during this 10 second warm up...

Page 15: ...d polarization time the same 2 second length is the same in all positions is a high current drain on the battery A battery will last 3 4 times longer in the 10 second cycle time position than in the 2...

Page 16: ...reful not to pull the control panel out too far If you are unable to pull out the control panel a small amount of air from a bicycle pump can be added to the electronics housing The pressure plug that...

Page 17: ...17 INSERT DIVER MAG 1 FISH TUNING CHART...

Page 18: ...to anchor the lead in place To add sheet lead to the battery compartment area remove the vent plug from the bottom of the electronics compart ment and the four screws that hold the electronics compar...

Page 19: ...em 2 Audio wobbles and the leak LED on the control panel is illuminated Water has entered the electronics compartment Remove the control panel see page 15 and inspect for water The tiny leak detector...

Page 20: ...The Warranty does not include broken damaged or lost equipment Should service be required contact us explaining the nature of the problem Most problems can be isolated over the phone and correct repl...

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