AQ1B Underwater Metal Detector User Manual
Contents
1. AQ 4 061 AQI1B Bonephone Fully waterproof headphone utilises Ikelite underwater connector to connect to the AQIB Control Module Normally placed against the skull at the back of or below the ear whilst underwater enabling the diver to clearly hear the change in the Detector tone when metal is sensed AQ 4 062 AQIB Bonephone with Extending Flexible Cable Fully waterproof headphone utilises Ikelite underwater connector to connect to the AQIB Control Module Normally placed against the skull at the back of or below the ear whilst underwater enabling the diver to clearly hear the change in the Detector tone when metal is sensed Comes with extendable flexible cable which allows more freedom of movement with the Bonephone whilst underwater AQ 4 030 AQ1B Land Headphones Rugged headphones for use above water enabling The AQIB to be utilised as a powerful land detector The Headphones feature an adjustable volume control and a comfortable fit for the user AQ 4 031 AQIB Underwater Headphones Rugged headphones for use underwater giving an alternative to the Bonephone These are particularly useful in warm waters where a diving hood is not normally worn They also provide a more powerful sound level that can enhance the ability to sense even the most subtle changes in the audible output 13 AQ1B Underwater Metal Detector User Manual AQ 4 000 part 2 Lower Shaft Used in conjunction2. with Arm Saver and 38cm Loop Extends the sensing loop to a distance that eliminates background detection of metallic items on the diver Allows the sense head to be swung over a wide arc for good search coverage Locks into one of three Arm Saver positions to optimise the overall length AQ 3 002 25cm 10 Loop Fully Waterproof robust mid sized search loop uses Ikelite underwater connector that enables Loops to be inter changed Normally supplied with the extending handle to give a flexible usage Ahern Lirica AQ 4 000 part 1 Arm Saver Used in conjunction with a 38cm Loop and Lower Shaft Set of straps enables user to use forearm to comfortably support 38cm Loop for long periods of time AQIB Control Module can also be secured to lower cup of the Arm Saver AQ 4 080 20cm 8 Loop with Stem Fully Waterproof compact search loop uses Ikelite underwater connector that enables the Loop to be easily connected and disconnected AQ 3 001 20cm 8 Loop Same loop as AQ 4 080 but comes without Stem amp Handle This can be used with the Extending Handle AQ 04 001 and the Arm Saver kit AQ 4 000 14 AQ1B Underwater Metal Detector User Manual gias ACen LA AQ 3 003 38cm 15 Loop Fully Waterproof large search loop complete with Ikelite underwater connector This loop gives the largest sensing range and supplied with the Arm saver kit to give good sweep range underwa
3. Loop as shown below Washer in connector recess Nut Bolt amp Washer 3 Next slide the end of the Lower Shaft over the Washer and the Connector as shown below 4 Secure the Lower Shaft in place using the Nut amp Bolt you removed from the Lower Shaft in step 2 AQ1B Underwater Metal Detector User Manual 5 Now slide the opposite end of the Lower Shaft inside the Arm Saver as shown below and secure with the Nut and Bolt from the Arm Saver Note There are three possible securing positions on the Arm Saver so that you can select the one which is more comfortable for you and most suitable for the job you are carrying out 6 The top of the Arm Saver is designed to secure both your arm and an AQIB Module in the cups as shown below 7 When fully assembled the Arm Saver Kit when connected to a 38cm Loop should look like the image below AQ1B Underwater Metal Detector User Manual a aty bay lle k r INTERNATION Es a i _ r p F j l GN AETA ONEN LAI CARE AND MAINTENANCE Proper care of your Aquapulse will be repaid by a long and trouble free life and attention should be given to the following points 1 After use and before removing plugs make sure that the unit is switched off wash down with clean fresh water 2 Dry the detector paying particular attention to the area around the plugs Clear any excess water by blowing 3 Recharge the batteries if the total h
4. a suitable neoprene headband Position the Bonephone so that it is on a bony part of the head close to the ear N B NEVER PLACE THE PHONE DIRECTLY OVER THE EAR AS THIS COULD INTERFERE WITH PRESSURE EQUALISATION ON THE EARDRUM Dive to the search area to be searched Switch the unit on and rotate the SET AUDIO control to achieve the audio threshold point keeping the search loop at arms length and up from the seabed this avoids detecting any metallic part of the personal diving equipment or any buried items Search by scanning the loop from side to side close to the seabed in a fanning action Avoiding passing the loop close to regulator air tanks or weightbelt as these or any other metal object on the diver will give false responses If too much signal is obtained from the seawater such that the SET AUDIO control will not achieve the desired threshold turn the REJECT control clockwise until the SET AUDIO control comes back into range Note Different water depths will make a small difference to the threshold setting which can be readjusted by the control knob This effect does not occur in fresh water INTERNATIONAL fagin am imiernaionai Limited AQ1B Underwater Metal Detector User Manual USING ARM SAVER KIT WITH 38CM LOOP l Place 38cm Loop on a flat level surface 2 Remove the Nut Bolt and Washer from the Lower Shaft and place the Washer in the recess on the Swivel Connector at the centre of the
5. of detection for every form of ferrous or non ferrous metallic item The AQUAPULSE is a modular system with a range of interchangeable detection heads that allows for a flexible approach to detection under various underwater conditions A standard AQUAPULSE 1B AQIB kit consists of the following items Sealed electronic unit Bone conductor earphone or Land headphones with cable and plug Search Loop and shaft or Search probe with cable and plug Mains Battery charger 100 250v with AC charging lead Harness and belt with quick release buckle Operating instructions oe ee The Aquapulse 1B underwater metal detector is a precision built instrument using the latest pulse induction techniques and has been designed for both ease and simplicity of use in the underwater environment featuring good detection performance with both ferrous and non ferrous metals The unit is ruggedly built to withstand normal diving usage but to get the best trouble free operation and long life certain simple operation and maintenance procedures must be followed Read the instructions carefully before diving with your detector AQ1B Underwater Metal Detector User Manual ETa ler E INTERNATIONAL _ m a LC l E r O O 4 i rj i an niero Limited INITIAL TESTING OF YOUR AQIB DETECTOR 1 Charging the batteries The detector is supplied only partially charged and will require a full 14 hours charging du
6. AQ1B Underwater Metal Detector User Manual AQUASCAN INTERNATIONAL LTD AQUASCAN HOUSE HILL STREET NEWPORT SOUTH WALES UK NP20 1LZ Aquascan International Limited Tel 44 1633 841117 255645 Fax 44 1633 254829 UNDERSEA DETECTION EQUIPMENT Email info aquascan co uk Website www aquascan co uk AQUAPULSE 1B UNDERWATER METAL DETECTOR Operating Instructions This manual is copyright 2002 Aquascan Int Ltd all rights reserved This document must not be replicated in whole or part without the prior express permission of Aquascan International Ltd Issue 7 22nd December 2003 AQ1B Underwater Metal Detector User Manual Contents I Front 2 Page of Contents 3 Introduction 4 Initial Testing 5 Underwater Operation 7 Using Arm Saver Kit with 38cm Loop 9 Care and Maintenance Checking Battery Status Performance 12 Troubleshooting Guide 13 Aquapulse IB System Parts amp Accessories 17 Contact Information 18 EC Declaration of Conformity Product Guarantee loose insert AQ1B Underwater Metal Detector User Manual INTERNATIONAL Ae eT E ene PEE loqnascoun erao L INTRODUCTION The AQUAPULSE name has been established for more than two decades and conveys the message of underwater detection excellence using the Pulse Induction PI principle Unlike some of the land based detection solutions that perform dismally underwater the PI system provides a very powerful means
7. d leave it on overnight to fully discharge the battery Disconnect the loop and power the AQIB off Charge the AQIB for at least 14 hours using the provided AQ1B charger Once the AQ1B is fully charged disconnect the charger Connect an AQ1B sensing loop and Bonephone Headphone to the unit and switch it on Place the loop away from any metal and adjust the SET AUDIO control to get a steady slow clicking sound Make a note of the detection range on a suitable test object AQ1B Underwater Metal Detector User Manual 1 7 Confirm the functionality and detection range of the unit every 30 minutes re adjusting the tick over as necessary 1 8 When it becomes impossible to set the threshold or the detection distance has dropped dramatically this can be considered to be the end of charge status for the battery 1 9 Ifthe performance becomes unacceptable after less than what you the operator determine to be an acceptable minimal operational period then the AQIB Battery Pack needs to be replaced Note If your battery needs to be replaced please contact our technical support dept to arrange for an installation of a replacement battery or in the case of an approved service agent please refer to the servicing data provided Please consider Nicad batteries as hazardous material and dispose of your old battery pack in line with local guidelines AQ1B Underwater Metal Detector User Manual TROUBLESHOOTING GUIDE Symptom No Respon
8. n only be inserted one way round due to the polarising pin 4 Plug the connector on the Bonephone or headphone lead into the PHONE amp CHARGE socket and screw down the collar as above NB For testing on land the headphones if available are much easier to work with 5 Hold the search loop well away from any metal and switch the unit on by rotating the REJECT control to the MIN position If a continuous sound is heard immediately the SET AUDIO control should be rotated anticlockwise until the audio threshold is reached this is indicated by a low frequency ticking sound in the Bonephone Alternatively if the unit is initially silent the control should be turned clockwise to reach the audio threshold The audio can be set so that a normal slow ticking sound is heard or alternatively set slightly below the threshold so that operation is initially silent AQ1B Underwater Metal Detector User Manual 6 Test the operation of the detector by scanning the loop over metal objects e g a coin keys or any convenient metallic object The audio note will rise rapidly reaching a maximum pitch when the object is centred on the loop axis I An additional check can be made on a piece of buried metal Scan the loop from side to side and locate the position of maximum tone Repeat in a forward and backward direction The point where the audio is at a maximum on both scans is where the object lies 8 Check the detector on various sizes and sha
9. ours used is approaching 10 4 Never leave your Aquapulse lying in the hot sun as this could raise the internal temperature to the point where it may distort the case and harm the electronics 5 The electronic unit is sealed and pressure tested in the factory no attempt should be made to access the electronics If any servicing is required contact your supplier who will advise you where to send the unit BATTERY CARE amp CHECKING BATTERY PERFORMANCE STATUS The AQIB internal battery pack is a 7 cell series pack giving a capacity of approximately 2500mA Hrs This capacity relates to an operational period of between 10 and 12 hours from full charge Note self discharge occurs naturally in a rechargeable battery During inactivity this self discharge causes the battery to slowly discharge itself over a period of months Nicad batteries can develop a memory effect through partial charge discharge cycles this effect will reduce the effective capacity available To maintain maximum performance it is important to regularly discharge the battery completely followed immediately by a full re charge Periodically to ensure adequate operational battery duration or to confirm the status of your battery the following checks and procedure should be carried out Checking Battery Pack Voltage To test whether or not your battery pack is charged you may use the following test which requires a DC voltmeter A digital voltmeter is preferred since
10. pes of both ferrous and non ferrous metals to get feel as to how it responds on different targets 9 The REJECT control when set at its lowest setting will give maximum sensitivity to small rings and thin section foils as the setting is increased the detector will reject signals from silver paper ring pulls and other unwanted non ferrous objects 10 Having performed the above checks switch off The Aquapulse is now ready for use on land or underwater UNDERWATER OPERATION 1 The control unit of the detector can be worn or carried in a number of ways the choice will be influenced by which of the sense head variants is being utilised The most obvious choice is worn on the waist secured by the quick release buckle however if the 38cm 15 loop is being used the control unit can be fitted to the lower cup of the armsaver section Other options include strapping to the upper arm clipping to any suitable position on the diver or attached to a container that may be used for collecting detected items When the armsaver is being used one of the small straps should retain the control unit whilst the other should act as a brace for the forearm in the upper cup The above image shows the control module attached to the armsaver Diver prepared for EOD survey using AQIB 20cm Harness mounted The Bonephone should be placed under the hood if no hood is worn it can be placed under the strap of the facemask or under
11. provides an element of rejection as it is rotated clock wise this is primarily intended for the rejection of ring pulls during beach searching applications In addition to the electronics the control unit houses the Nicad rechargeable battery pack AQ 4 010 Battery Charger Switched mode unit with 100v to 250v AC 50 60HZ input voltage range Used to recharge the AQIB Module internal battery pack Can be supplied with option of US UK or European type Power Connector 16 AQ1B Underwater Metal Detector User Manual Manufacturer Contact Information If you should need to contact Aquascan International Limited for advice on your purchase to order further equipment or to arrange a repair please use the following contact information Mailing Address Aquascan International Limited Aquascan House Hill Street Newport South Wales NP20 1LZ United Kingdom Tel 44 0 1633 255645 44 0 1633 841117 Fax 44 0 1633 254829 e mail Sales Enquiries sales aquascan co uk General Inquiries info aquascan co uk Technical Support support aquascan co uk Website wWww aquascan co uk noon iteration Linited AQ1B Underwater Metal Detector User Manual INTERNATIONAL jerr La Aquascan International Ltd EC Declaration of Conformity We hereby declare that the following equipment complies with the essential requirements at the Electronic Compatibility Directive 89 336 91 26 3 and 92 31 This equipment
12. ration to bring the unit to a fully charged status Plug the output lead from the charger into the AUDIO amp CHARGE socket on the control bulkhead Please note that this can only be inserted one way round due to the locating polarising pin N B DO NOT ON ANY ACCOUNT PLUG THE CHARGER INTO THE LOOP SOCKET AS DAMAGE MAY BE DONE TO THE ELECTRONICS Plug the charger into the mains supply 100 250vAC After running for an hour or so the charger may get slightly warm to the touch This is quite normal The batteries will not be damaged by being left on charge for a longer period than necessary due to the controlled charge current 14hr rate For maximum life it 1s recommended not to give top up charges and to generally charge for no longer than 14 hours from the discharged state If the batteries become fully discharged due to natural usage for the maximum operating period or through the unit accidentally being left in the on state the unit should be fully recharged as soon as possible to avoid irreparable damage to the battery cells N B DO NOT USE ANY OTHER BATTERY CHARGER THAN THE ONE SUPPLIED AS DAMAGE TO THE BATTERY PACK MAY RESULT When the charge period has elapsed disconnect the AC supply to the charger and unplug the connector from the socket on the detector Plug in the connector on the search loop into the LOOP socket and screw down the retaining collar This should be good finger tightness only Note This plug ca
13. se from AQIB Module Check the following l Check that the battery has been charged gt Ifnot place AQIB on charge and then re test 2 Check that both Sensing Loop and Bonephone are correctly connected gt Try using an alternative Bonephone AQIB Headphones gt Try using an alternative Loop or a known good AQIB Probe 3 Check that both the Sensing Loop and Bonephone are in good condition Check by substitution if possible or by monitoring the nominal resistance of both items Connecting a good quality multi meter across the pins of the plug can check the resistance NB It is good policy to firstly check the multi meter s reading with the leads shorted together this provides a measure of what residual reading to take into account gt See AQIB Resistance Chart below Symptom Erratic Performance from AQIB Module l First check as above 2 Check that the stainless contacts of the bulkhead connectors are clean 3 Check that the stainless connectors of the Sense loop and bonephone are clean If necessary reduce the contact resistance by slightly prising the gap in the male contacts this will increase the firmness of the connector on insertion 4 Check that the cable to the Sense Loop has not been damaged causing water ingress 5 Check that the male connector seals are in place and clean AQ1B Underwater Metal Detector User Manual Aquascan International Limited AQUAPULSE 1B SYSTEM PARTS amp ACCESSORIES
14. should not be modified without our approval as this declaration will lose it s authority Equipment description Marine Metal Detector Model Aquapulse 1B Manufacturer Aquascan International Ltd Aquascan House Hill Street Newport NP20 1LZ S Wales Tel 44 0 1633 841117 255645 Fax 44 0 1633 254829 Email info aquascan co uk Applicable directives EN 55011 General Emission Standard Class A Group 1 EN 50082 Generic Immunity Standard Part 2 A technical construction file for this equipment is retained at the manufacturing base Ist January 1996 j 5p AU E a IEA PESE EAA E sg O DANA T e J R WILLIAMS Managing Director Signed IN INC soceis vesheoncsavacevobacdenacdecubscselecesooss Position ccccccccccccccccccccccccccscccsccecs
15. ter and a good balanced unit for land use AQ 3 004 38cm 15 Loop supplied with a 20 metre 65ft length of re enforced cable and standard Ikelite connector for direct compatibility with a standard AQIB detector The extended length of cable allows the sensing loop to be slowly towed behind a boat or simply lowered down for drift searching This system of operation allows metallic contact areas to be located prior to deploying a diver This item is indispensable for extended shallow water searches in low visibility conditions AQ 3 040 30cm 12 Ferrite Probe Fully waterproof probe used for searching for metal in small crevices and for digging amongst silt and sand AQ 3 041 90cm 36 Ferrite Probe Fully waterproof probe used for searching for metal in bigger crevices and for digging amongst silt and sand Fully extendable between 44cm amp 85 5 cm 15 AQ1B Underwater Metal Detector User Manual Aquascan International Limited AQ 04 001 Extending Handle Used in conjunction with 25cm Loop fully extendable between 45cm amp 87cm AQ 2 010 AQIB Control Module The main item of the AQ1B detector kit A fully sealed electronic control module with a diver depth rating of 100m tested and proven by divers beyond this depth The control unit features a multi turn adjustment for audio detection threshold The primary control is the rotary on off power control which also
16. these voltages are low and measurement needs to be made in the tenths of a volt resolution l With nothing connected to the detector turn the detector ON 2 With the detector placed so the printing on the top label is in normal orientation place the positive lead of the voltmeter on the TOP pin of the Loop connector See diagram 3 Place the negative lead of the voltmeter on the TOP pin of the Phone Charge connector See diagram 4 You should now be able to read the voltage of your battery pack AQ1B Underwater Metal Detector User Manual A fully charged new battery pack should read approximately 9 8 volts This might decrease slightly as the pack gets older As the detector is used the voltage will drop gradually but performance is not affected until the voltage drops below 8 4 volts Once the voltage drops below 8 4 volts it will drop at an accelerated rate The detector will not function correctly if it gets down around 7 volts or lower If you measure the voltage and it is near or below 8 4 volts it s time to re charge the battery pack MAX AQisg O amp MADE IN U K LOOP PHONE CE CHARGE serauo Battery Test Points Checking Battery Pack Performance Note For routine maintenance this should be carried out every three months The recommended procedure is as follows 1 0 1 1 LZ 1 3 1 4 1 5 1 6 Connect an AQ1B Loop or Probe to your AQIB module Power on your AQIB an
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