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12

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38

 

 

1.3.3 What happens when the unit is transmitting on full power? The unit will make a BEEPING sound 
and the antenna LED section will flash 

GREEN

, followed by flashing 

RED

 LEDs in an SOS pattern this will 

continuously cycle until the unit is switched off. 

1.4.0    SWITCHING THE AU9 OFF – DISENGAGING THE BATTERY

 

 

Fig. 11 
1.4.1   Lift the rubber ‘O’ ring (no. 6) out and down, slide the side switch (no. 11) UP until it clicks. The 
unit  will  stop  transmitting  within  a  few  seconds,  the  unit  will  ‘BEEP’  once  to  indicate  it  has  been 
switched OFF.  
 
1.4.2    SWITCHING THE UNIT OFF FROM AUTOMATIC OVER RIDE ACTIVATION - The unit will continue to 
transmitt on full power until manually switched OFF by moving the side ARMING switch DOWN & then 
immedaitely back UP until it positively clicks. 

Applies to units fitted with 40 second override function 

only, the instruction label on the rear of your unit will indicate if your unit has this function installed 
or not 
 

                 

 

 
 

Fig. 12 
 
 

Summary of Contents for AU9

Page 1: ...Page 1 of 38 ...

Page 2: ...ty when working on offshore windfarms Yachting The Sea Marshall MOB system is used by a number of the world s superyachts and sport sailors Oil Gas The ATEX Intrinsically Safe version of the Sea Marshall system is used extensively throughout the Oil Gas industry worldwide Helicopter Transit We are pleased to announce the launch of the helicopter specific Sea Marshall AU9 HT high power personal loc...

Page 3: ...OFF Testing the AU9 Battery check change procedure 16 25 Wearing the AU9 How to fit the AU9 into a lifejacket 26 Anti tamper cap AU9 Maintenance Page 27 34 DIVE use 27 AU9 Dive Conversion Kit 28 30 Fitting the pressure cap 31 How often should I re seal my unit Using the AU9 with prtessure cap fitted 32 Initiating an Emergency SOS transmission with AU9 Dive Conversion Kit fitted 33 34 Using your AU...

Page 4: ...e on the frequency 121 5 MHz or the frequencies 121 5 MHz and 243 MHz for homing purposes only Part 2 Harmonized EN under article 3 2 of the R TTE Directive Article 3 2 EN 300 152 3 V1 1 1 Electromagnetic compatibility and Radio spectrum Matters ERM Maritime Emergency Position Indicating Radio Beacons EPIRBs intended for use on the frequency 121 5 MHz or the frequencies 121 5 MHz and 243 MHz for h...

Page 5: ...Locate The AU9 is derived from the well known PLB8 series of Sea Marshall personal locator beacon it utilises the same format of operation so as to retain some consistency of user familiarity and function in the field In all other respects the AU9 unit is a completely new and much more advanced unit The AU9 is available in two power ouptuts 100mW and 500mW by special order The 500mW has approximat...

Page 6: ...tenna has been correctly installed at the recommended height with the AU9 correctly installed in either an SMB for divers or lifejacket with antenna clip for normal use The SMB gave the maximum range listed as achieved during tests the lifejacket AU9 installation gave the lower end of the ranges listed Wearing the AU9 around the neck will reduce the tracking alerting ranges to below the ranges lis...

Page 7: ... Manual Automatic with manual override salt and fresh water NOTE some units have a fail safe over ride function installed to allow the unit to auto activate in the vent the unit has been switched off Diver pressure cap conversion kit available pressure proof to 100m depth Antenna 1m cable with flexible helical spring section adaptable for lifejacket fitting Strobe inbuilt LED strobe on antenna fla...

Page 8: ...tem known as a Maritime Survivor Locating Device utilising one of the two Sea Marshall Base Unit receiver options listed below 1 CREWGUARD GPS PLOT MOB ALARM MOB monitor alarm which automatically plots the GPS position of the vessel at the time the person fell overboard The person in the water can be tracked on the international SAR homing frequency of 121 5MHz by Coast Guard SAR A low cost safety...

Page 9: ...OB monitor alarm homing unit which automatically plots the postion of the vessel at the time the person fell overboard the SARfinder also shows the direction of the SOS signal and the approximate range of the target on it s easy to read compass style display Fig 5 Fig 6 ...

Page 10: ...The unit will BEEP 3 times to let you know it has been armed THE UNIT IS NOW ARMED and the green LED will flash every 3 seconds continuously to show the unit is armed and the battery is engaged it can now be activated for full power transmission by one of two methods 1 Manually by pressing the round rubber activation button on the front 12 on fig 1 2 Automatically after 5 seconds of constant immer...

Page 11: ...vely clicks Fig 9 1 3 2 Alternatively for automatic activation the user enters the water after 5 seconds of continuous immersion the unit will self activate and transmit continuously until switched off by moving the side Arming Switch no 11 UP until it clicks the unit will BEEP and stop transmitting after a few seconds Fig 10 NOTE The unit has two waterpin sensors no 3 9 both these sensors have to...

Page 12: ... slide the side switch no 11 UP until it clicks The unit will stop transmitting within a few seconds the unit will BEEP once to indicate it has been switched OFF 1 4 2 SWITCHING THE UNIT OFF FROM AUTOMATIC OVER RIDE ACTIVATION The unit will continue to transmitt on full power until manually switched OFF by moving the side ARMING switch DOWN then immedaitely back UP until it positively clicks Appli...

Page 13: ... low power signal will radiate to approx 30m around you tx 30m on the label 1 5 2 Low battery indicator As well as the above manual check the unit has an automated battery status indicator In the idle state when the unit is not transmitting the unit will automatically indicate it has a low powered battery through the medium of a short infrequent BEEP nominally every 15 seconds also a flashing RED ...

Page 14: ...Page 14 of 38 Fig 14 A Fig 14 B Both battery types are available from the manufacturer or from your local stockist ...

Page 15: ...For 500mW versions only use the sealed battery pack with connector cable 1 6 0 BASE CAP SCREW INSERTED INDICATOR The unit is programmed with a BASE CAP SCREW NOT INSERTED indicator which through a series of continuous BEEPS shows 1 6 1 The base cap has been closed battery connection made but the screw has not been inserted The bleeping can be cancelled by pressing the round manual activation butto...

Page 16: ...an be worn the larger the tick greater the tracking range SOS signal transmission The manufacturer recomends fitting the AU9 to lifejacket with the antenna clip in place for the following reasons 1 ENSURES YOUR ALERTING UNIT PLB IS ALWAYS WITH YOU 2 PROTECTS YOUR PLB DURING DAY TO DAY USE 3 INCREASES TRACKING RANGE OF AU9 MAKING YOU MORE VISIBLE Wearing a lifejacket is a very good thing but if the...

Page 17: ...E the tracking alarm activation range of the sytem is reduced when the transmitter is worn around the neck due to absorption of signal by the body and the reduced height of the antenna above the water line Fig 16 1 7 3 AU9 unit fitted into a lifejacket with service window Lifejacket model shown Mullion Mariner SOS 275N SOLAS twin chamber self righting Fig 17 ...

Page 18: ...Page 18 of 38 Fig 18 ...

Page 19: ...ge 19 of 38 Fig 19 1 7 4 AU9 with Antenna Clip fitted By fitting the antenna clip the SOS signal of the AU9 is broadcast over a greater distance making it easier for SAR crews to quickly locate you Fig 20 ...

Page 20: ...wo points on the side of the bladder You will need to very carefully make two small holes in the spare fabric between the two halves of the bladder ideally using a fabric hole punch refer to Pages 20 23 To fit the clip follow stages 1 2 3 4 on this and the following page Fig 22 2 Bend the antenna near the point where it connects to the LED Strobe put the clip around the antenna as shown Fig 23 3 P...

Page 21: ...p as shown THIS ENSURES THE ANTENNA REMAINS VERTICAL WHEN THE LIFEJACKET IS INFLATED 1 7 5 Fitting the AU9 to a lifejacket without using the antenna clip Fig 25 The AU9 can be fitted to a lifejacket without using the antenna clip the tracking range of the unit will be reduced as compared to fitting the antenna clip putting the antenna into a vertical position When the AU9 is fitted in this manner ...

Page 22: ...s for holding the antenna you can still fit your AU9 unit by making use of the neoprene PLB pouch available from your local stockist Fig 26 AU9 model shown is a GREEN test frequency unit 1 7 7 To fit the AU9 into an existing lifejacket you will need the following 1 3 of small to medium sized cable ties 2 Neoprene pouch product code 07 006 S available through your local Sea Marshall stockist ...

Page 23: ... Fig 28 1 Fit the Neoprene pouch onto the wiastband you can add a stitch to hold the pouch in place if required Create a hole in the back of your lifejacekt to feed the AU9 antenna through This can be done either with a soldering iron or by cutting a shape into the fabric ...

Page 24: ...bladder Using a fabric hole cutter make 4 holes at these points not too close to the edge to avoid a tear Using Cable Zip ties affix the antenna in place as shown To achieve optimum tracking ranges use the antenna clip shown in Fig 20 21 and 22 For fitting the antenna clip refer to sections 1 7 4 and 1 7 5 ...

Page 25: ... 30 Fig 31 3 Fold the bladder and antenna into the cover taking care not to crease the antenna and close the cover fully IMPORTANT ARM your PLB ready for MOB use when inside the jacket Check the battery status regularly ...

Page 26: ...press the manual activation button or there is a risk of the button being pressed by leaning on a sharp object Fig 32 1 9 0 MAINTENANCE Check your unit regularly for signs of wear and tear state of waterproof seals battery status etc Do not use if any of these shows signs of wear and tear If you damage your unit return it to the manufacturer or your local supplier Check the battery status before a...

Page 27: ...70m max depth rated which can be used for both MOB alerting and for diving NOTE AU9 units with 40 second override function cannot be used for diving The diver conversion kit consists of the following items can be purcahsed from your local stockist For battery replacement procedure refer to page 11 2 1 1 AU9 Dive Pressure Proofing Kit 2 Pressure cap with O ring fitted 2 O ring base cap seal 1 Tube ...

Page 28: ...on on the front of the PLB and prevents the water pressure from pushing directly against the unit s test manual activation button When the cap is fitted the AU9 becomes AUTO or water activation only 2 1 3 To start SOS transmission with pressure cap fitted simply ARM the unit by sliding the side switch down and immerse the body of the AU9 in water continuoulsy for 5 10 seconds the water sensors wil...

Page 29: ...Page 29 of 38 2 1 4 Fitting the cap is an easy process 1 Apply a thin film of silicone grease under the edge lip of the cap and over all of the O ring seal all the way around Fig 38 Fig 39 ...

Page 30: ...ove into the recess push it very firmly all the way in use a hard flat surface to press against if necessary Fig 40 Fig 41 3 To test your AU9 for battery status and low power transmission carefully remove the cap and test in accordance with the instructions laid out in section 1 5 0 of this manual and replace the cap ...

Page 31: ...TTED With the diver conversion kit fitted an AU9 plb can be used for both Man Overboard Alert Locate and Lost Diver Alert Locate 2 2 1 For Man Overboard Alert Locate SURFACE USE When using the AU9 with the diver pressure conversion kit fitted for MOB safety cover move the side switch down into the ARMED READY position your unit will now automatically activate 5 seconds after you fall overboard Swi...

Page 32: ... SOS EMERGENCY TRANSMISSION WITH PRESSURE CAP FITTED 1 Arm the unit by lifting the grab tag out and pushing the side switch down 2 Click the side switch down firmly into place 3 Immerse the unit continuously in water for not less than 5 to 10 seconds The unit will start transmitting LEDS will flash RED until switched OFF ...

Page 33: ...e the alarm from the sea bed in the event of difficulties 2 2 4 How to use the AU9 when fitted to a surface market bouy 1 Diver descends 2 Diver gets into difficulties at depth Activate AU9 by sliding side switch DOWN attach SMB to line and send AU9 SMB to surface 3 AU9 will arrive on surface already transmitting pull line tight to ensure SMB remains vertical 4 SARfinder on dive boat within range ...

Page 34: ... of a search Using the AU9 without the SMB will restrict the tracking range 2 2 5 To test your unit refer to section 1 5 0 of this manual 2 2 6 Your AU9 can be used on it s own to provide an SOS homing signal for the Coastguard SAR to home into once they have been notified you are missing or it can be used as part of a self managed lost diver locating system which utilises a dedicated monitor dire...

Page 35: ...r AU9 should be positioned out of the water i e above the water line as much as possible The AU9 will not transmit a trackable signal with the antenna completely submerged Fig 13 indicates how the strongest SOS signal can be achieved Fig 49 2 4 0 MAINTENANCE Wash your AU9 with fresh water after each dive Keep your AU9 clean at all times use a gentle hand wash to clean your unit Check functionality...

Page 36: ...period which results in a much longer transmission monitoring area range making it ideal for applications such as diving in areas with exceptionally strong currents or providing safety cover in areas where there is no Coast Guard or other emergency back up close by This unit operates in exactly the same way as the standard 100mW unit which is described in this booklet except that it uses a sealed ...

Page 37: ...Page 37 of 38 500mw AU9 rECOMMENDED FOR DIVERS long range offshore workers Fig 51 ...

Page 38: ... Sea Marshall products are an aid to recovery only it is the repsonsibility of the user operator to ensure they are fully conversant with the operation of the equipment and the equipment is kept in full working order at all times combined with functionality and damage checks before and after each use MRT Ltd does not accept liability for loss of life or injury caused during any accident during whi...

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