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Scubapro MERIDIAN Manual

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3. Meridian as a dive computer
3. Meridian as a dive computer
41
English
SCUBAPRO MERIDIAN
3.11.3 Entering decompression
Meridian  can  activate  a  warning  when 
the  first  mandatory  decompression  stop 
appears.  This  alerts  the  diver  to  the  fact 
that  a  direct  ascent  to  the  surface  is  no 
longer  possible.  This  warning  applies  to 
dives with the dive computer set to L0 only.
Meridian emits a sequence of audible beeps 
and the DECO STOP symbol flashes, both 
for  12  seconds,  when  the  no-stop  time 
ends and a mandatory (L0) stop is required 
before reaching the surface.
3.11.4 Entering level stops
When diving with a microbubble (MB) level 
different  than  L0,  Meridian  can  warn  you 
when you are no longer in the MB no-stop 
phase.  See  section  3.11.15 Diving with
MB levels for  more  information  on  MB 
level diving.
Meridian  emits  a  sequence  of  audible 
beeps  and  the  STOP  symbol flashs,  both 
for 12 seconds, when the MB no-stop time 
ends and a level stop is required before you 
ascend to the surface.
3.11.5 L0 no stop time = 2 minutes
when diving an MB level
When diving with an  MB  level  higher  than 
L0,  the  underlying  L0  information  is  not 
directly  visible  on  the  display  (though  it 
is  accessible  as  alternate  information). 
You  can  choose  to  have  Meridian  warn 
you  when  the  underlying  L0  no-stop  time 
reaches  2  minutes  while  diving  with  an 
active MB level higher than L0.
Meridian  emits  a  sequence  of  audible 
beeps and the MB LVL symbol flashs, both 
for 12 seconds, when the L0 no-stop time 
reaches  2  minutes  while  diving  with  an 
active MB level higher than L0.
3.11.6 Entering deco when diving
an MB level
When diving with an  MB  level  higher  than 
L0,  the  underlying  L0  information  is  not 
directly  visible  on  the  display  (though  it 
is  accessible  as  alternate  information). 
You  can  choose  to  have  Meridian  warn 
you  when  you  are  about  to  enter  a 
decompression obligation while diving with 
an active MB level higher than L0.
Meridian emits a sequence of audible beeps 
and the DECO STOP symbol flashs, both 
for 12 seconds, when the L0 no-stop time 
ends  while  diving  with  an  active  MB  level 
higher than L0.
Alarms  can  not  be  turned  off  because 
they  represent  situations  that  do  require 
immediate  action  by  the  diver.  There  are 
five different alarms:
WARNING
• When in GAUGE mode, all warnings and all
alarms are OFF aside for the low battery
alarm.
• When Meridian is set to SOUND OFF mode,
all audible alarms and warnings are
switched off.
3.11.7 Ascent rate
As you ascend during a dive, the pressure 
surrounding you diminishes. If you ascend 
too quickly, the ensuing pressure reduction 
could lead to microbubble formation. If you 
ascend too slowly, the continued exposure 
to  high  ambient  pressure means  that  you 
will  continue  loading  some  or  all  of  your 
tissues  with  nitrogen.  Consequently,  there 
is an ideal ascent rate that is slow enough 
to minimize microbubble formation yet fast 
enough to minimize the effect of continued 
loading on your tissues. 
The pressure reduction that the body can 
tolerate  without  significant  microbubble 
formation  is  higher  at  depth  than  it  is  in 
the  shallows:  The  key  factor  is  not  the 
pressure drop by itself, but rather the ratio 
of the pressure drop relative to the ambient 
pressure. This means that the ideal ascent 
rate  at  depth  is  higher  than  it  is  in  the 
shallows.  
… 41 …


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  • Hi. What is error message E37 on the Meridian. Just did a dive and computer would not go into dive mode. When I came out it said E 37 Submitted on 27-4-2024 at 12:45

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