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OPERATOR’S MANUAL

Directional Acoustic Detector

S.D.A.D.

II

 

by Aqua-Tronics, Inc.

www.aquatronics.com

Summary of Contents for S.D.A.D.II

Page 1: ...OPERATOR S MANUAL Directional Acoustic Detector S D A D II by Aqua Tronics Inc www aquatronics com...

Page 2: ...FIGURE 1 Electronics Showing Controls 1 through 5 1 On Off Push for On Hold 2 sec for Off 2 RED Direction to fault LED 3 Touch screen Display 4 GREEN Direction to Fault LED 5 Neck Strap D ring...

Page 3: ...lection Time Depth Off Time Msec Depth 5 Battery Level Indicator 6 Red Direction To Fault Indicator 7 Ballistic Impulse Indicator 8 Green Direction To Fault Indicator 9 Ballistic Impulse Sensitivity C...

Page 4: ...eadphones come paired to the SDAD II electronics unit Any Blue Tooth headphone can be paired with the SDAD II by following the pairing instructions with your aftermarket headphones NOTE Make sure othe...

Page 5: ...lid paired to SDAD II Slow flash Seeking Electronics 2 quick flashes pairing mode 4 Cord to microphone Red to Red and Green to Green Identified by switch color NOTE Microphones supplied with SDAD II a...

Page 6: ...ike 6 FOOT PROBES Tricks and Tips 7 FAULT LOCATION PROCEDURES AND OPERATIONS TRACE THE CABLE ROUTE 7 FINDING THE GENERAL AREA OF THE FAULT 7 Ballistic Impulse How It Works 7 QUICK SEARCH WITH BALLISTI...

Page 7: ...s below 6 volts ATTENTION Do not store the SDAD II where it is exposed to extremely hot conditions such as the window of a vehicle or direct sunlight on a hot day The battery could become over heated...

Page 8: ...y times the sound of the thump is loud enough in the area of the fault that the operator can hear it without using equipment to amplify the sound Sometimes the voltage arc at the fault releases enough...

Page 9: ...ator will not be able to hear the thump without a good acoustical instrument of some type SOIL TYPES Some types of soil can muffle the sound created by the thump more than other types Dry porous soil...

Page 10: ...sound will be heard When the sound wave changes from water to air the surface cannot vibrate or reproduce the noise Fault locating submarine cables in a small lake are normally very easy because a la...

Page 11: ...r top layer of soil sound waves from the thump can be detected before they have a chance to reflect from the soil surface or disperse into the air Earth probe microphone spikes also eliminate many bac...

Page 12: ...or digging near the route This could be an indication of where the cable fault is located FINDING THE GENERAL AREA OF THE FAULT There are two methods that can be used to find the general area of the...

Page 13: ...he soil the fall off may not be as abrupt QUICK SEARCH WITH BALLISTIC IMPULSE ONLY AUTOMATIC BALLISTIC CALIBRATION 1 Move 20 feet away from the thumper and 5 to 10 feet off to one side of the marked c...

Page 14: ...es from the cable route as long as that distance is maintained throughout the ballistic search however a manual setting of the ballistic impulse sensitivity control will be necessary at greater distan...

Page 15: ...r green See Figure 6 The Time Depth information window will show that channel as ON when that microphone is connected to the electronics 2 Since direction to fault will require two microphones the sec...

Page 16: ...esent during the fault locate Until the actual THUMP is heard and the direction to fault is needed with a second microphone installed the acoustic sensitivity control can be set to MAXIMUM With one mi...

Page 17: ...ophone connects to the red LED on the right side of the display screen and the GREEN microphone will connect to the green LED on the left side of the display c The Time Depth information window should...

Page 18: ...he instrument and the first microphone heard the sound If the Time displayed is a large number the operator can move the microphones 10 to 15 feet for a new reading If the LCD time is a small number t...

Page 19: ...ing is found in both the IN LINE locate and theACROSS THE CABLE locate See Figure 10 One microphone is placed directly over the NULL point or position of the fault This microphone will be called the P...

Page 20: ...readings to be taken again because a new spot was found for the pivot microphone See Figure 11 THE LED FOR THE PIVOT MICROPHONE WILL LIGHT AT EACH OF THE FOUR READINGS IF THE FAULT IS UNDER THE PIVOT...

Page 21: ...one back in very small increments until a spot is found where both direction to fault LED s indicate the thump occurred Draw an imaginary line across the two microphone handles From the center point o...

Page 22: ...must be on to enter depth mode NOTE 28 5 inches is the length of a microphone from the tip of the spike to the top edge of the grip handle NOTE The length of microphone with foot probes attached is 3...

Page 23: ...R By placing the microphone spike or the spike and microphone bulb under water the thump can be heard if the cable duct is at one side of the faulted cable If the vault is not full of water the sound...

Page 24: ...nd to determine if defects are covered by warranty or are the result of misuse and or abuse of the instrument and thus not subject to warranty repair or replacement ANY ATTEMPTS BY UNAUTHORIZED PERSON...

Page 25: ...www aquatronics com 20...

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