Poseidon SE7EN User Manual Chapter 1 Page 1 POSEIDON SE7EN USER MANUAL Poseidon SE7EN User Manual Chapter 1 Page i Table of Contents Table of Contents ...................................................................................................i Part 2 – Assembly Conventions Used in this Guide ............................................................................ iv Preface .................................................................................................................v Assembly ................................................................................................................. 12 Conformance With CE Requirements .................................................................... vi 1. Stabjacket / BCD / Wing. ................................................................................13 2. Cylinder attachment. .......................................................................................14 3. Counter lungs to BCD / Harness. ....................................................................16 Chapter 1 - Preparation & Assembly 4. Rear CC hoses to counter lung. ......................................................................17 5. Rear CC loop hoses. .......................................................................................19 Part 1 – Preparation 6. Attaching the cylinders. ...................................................................................21 7. E-module. .......................................................................................................22 An Overview of the Poseidon SE7EN .....................................................................1 8. 1st stages. ......................................................................................................24 Primary Display ................................................................................................... 1 9. LP hose & HUD to mouthpiece. .......................................................................26 Open-Circuit / Closed-Circuit Mouthpiece.......................................................2 10. Jetstream Octopus ........................................................................................27 Automatic diluent addition valve (ADV) ............................................................2 11. Front CC hoses to counter lung T-section. .....................................................28 Heads-up display (HUD) .................................................................................2 12. Front CC hoses to mouthpiece. .....................................................................29 Breathing loop overview .................................................................................3 13. Cover. ...........................................................................................................31 Carbon dioxide absorbent cartridge ..............................................................4 14. Scrubber .......................................................................................................32 Gas injection module ......................................................................................4 Servicing .............................................................................................................38 Electronics module .........................................................................................4 Smart battery .................................................................................................4 Smart battery care ................................................................................................5 Chapter 2 - Pre-dive procedures Safety ............................................................................................................5 Charging ........................................................................................................6 Initial Pre-dive procedures Long-term storage .........................................................................................7 Gas supply cylinders ....................................................................................39 Decompression data ......................................................................................7 CO2 Absorbent Cartridge .............................................................................39 Dive log data ..................................................................................................8 Intact Breathing Loop Verification .................................................................40 Bluetooth connection ............................................................................................8 Negative-Pressure Loop Test .......................................................................40 O-ring care and maintenance ................................................................................9 Electronics Power-Up ..................................................................................41 Cylinders and regulators ......................................................................................10 Power-up self test (test 1 - 38) .....................................................................42 Filling the cylinders .......................................................................................11 Pre-Dive Tests (test 39 - 55) .........................................................................43 Poseidon SE7EN User Manual Chapter 1 Page ii Closed Circuit mouthpiece position (test 39) .................................................43 Oxygen sensor confidence ...........................................................................56 Tissue tension test (test 40) ..........................................................................44 Mouthpiece position ....................................................................................56 Open circuit mouthpiece position (test 43) ....................................................44 Current depth ..............................................................................................57 Oxygen and diluent cylinder supplies /test 44 & 45) ......................................44 Maximum depth / Ceiling .............................................................................57 Battery power verification (test 48) ................................................................45 Remaining dive time (RDT) ...........................................................................58 Positive pressure loop test (test 49)..............................................................45 Elapsed dive time ........................................................................................58 Closed circuit mouthpiece position (test 50) ..................................................46 Ascend/descend arrow ................................................................................58 Oxygen sensor calibration (test 53) ...............................................................47 Battery life indicator .....................................................................................59 Open circuit regulator function (test 54) ........................................................47 Temperature ................................................................................................59 Service interval check (test 55) .....................................................................48 Cylinder pressure indicators .........................................................................59 Cleared to dive.............................................................................................48 Ascent rate indicator ...................................................................................59 Pre-dive checklist ........................................................................................49 System monitoring ..............................................................................................60 Monitoring the PO2 value .............................................................................60 Monitoring gas supplies ...............................................................................60 Chapter 3 - Dive procedures Monitoring remaining dive time ....................................................................60 Breathing underwater ..........................................................................................61 Monitoring alarms ...............................................................................................50 Counterlung placement ...............................................................................61 HUD vibrator ................................................................................................50 Counterlung strap adjustments ....................................................................61 HUD Light ....................................................................................................50 Tips on breathing ........................................................................................61 Audio alarm .................................................................................................51 Tips on buoyancy control ............................................................................62 Buddy alert light ...........................................................................................51 Venting water from the loop .........................................................................62 Monitoring the primary