POSEIDON SE7EN+ - Page 3

Poseidon SE7EN+ User Manual Chapter 1 Page ii
Tissue tension test (test 40) .......................................................................... 43
Open circuit mouthpiece position (test 43) ....................................................43
Oxygen and diluent cylinder supplies /test 44 & 45) ......................................43
Battery power verication (test 48) ................................................................44
Positive pressure loop test (test 49) .....................................................................44
Closed circuit mouthpiece position (test 50) .................................................. 45
Oxygen sensor calibration (test 53) ...............................................................46
Open circuit regulator function (test 54) ........................................................46
Service interval check (test 55) .....................................................................47
Cleared to dive.............................................................................................47
Pre-dive checklist ........................................................................................48
Chapter 3 - Dive procedures
Monitoring alarms ...............................................................................................49
HUD vibrator ................................................................................................49
HUD Light ....................................................................................................49
Audio alarm .................................................................................................50
Buddy alert light ...........................................................................................50
Monitoring the primary display ............................................................................50
Units of measure ..........................................................................................52
Alarm signal area .........................................................................................52
Abort! and open circuit alerts ........................................................................52
DO NOT DIVE alert .......................................................................................52
General alert ................................................................................................53
Electronics alert ...........................................................................................53
Decompression ceiling alert .......................................................................... 53
Stop alert .....................................................................................................53
PO
2
value ..................................................................................................... 53
PO
2
setpoint ................................................................................................54
Hyperoxic linearity test .................................................................................54
Oxygen sensor condence ...........................................................................55
Mouthpiece position ....................................................................................55
Current depth ..............................................................................................56
Maximum depth / Ceiling .............................................................................56
Remaining dive time (RDT) ...........................................................................57
Elapsed dive time .........................................................................................57
Ascend/descend arrow ................................................................................57
Battery life indicator .....................................................................................58
Temperature ................................................................................................58
Cylinder pressure indicators ......................................................................... 58
Ascent rate indicator ....................................................................................58
Invalid cylinder pressure ...............................................................................59
System monitoring ..............................................................................................60
Monitoring the PO
2
value .............................................................................60
Monitoring gas supplies ...............................................................................60
Monitoring remaining dive time ....................................................................60
Breathing underwater ..........................................................................................61
Counterlung placement ...............................................................................61
Counterlung strap adjustments ....................................................................61
Tips on breathing ........................................................................................61
Tips on buoyancy control ............................................................................62
Venting water from the loop .........................................................................62
Managing ascents ...............................................................................................63
Ending the dive ...................................................................................................63
Safe diving with the Poseidon SE7EN+ ................................................................64
Chapter 4 - Post-dive procedures
After each dive ....................................................................................................65
Power down ................................................................................................65
Replacing the oxygen and CO
2
absorbent cartridge ......................................65
Removing the electronics module .................................................................65
Replacing the water trap sponges ................................................................66
After each day of diving .......................................................................................66
Open the breathing loop...............................................................................66