Oceanic OC1 User manual
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
OC1
DIVE COMPUTER
OPERATING MANUAL
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
NOTICES
LIMITED TWO-YEAR WARRANTY
For details, refer to the Product Warranty Registration Card provided. Register on-line at www.OceanicWorldwide.com
COPYRIGHT NOTICE
This operating manual is copyrighted, all rights are reserved. It may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to any electronic medium or machine readable form
without prior consent in writing from Oceanic/2002 Design.
OC1 Operating Manual, Doc. No. 12-2761
© 2002 Design, 2009
San Leandro, CA USA 94577
TRADEMARK, TRADE NAME, AND SERVICE MARK NOTICE
Oceanic, the Oceanic logo type, OC1, the OC1 logo, Air Time Remaining (ATR), Diver Replaceable Batteries, Graphic Diver Interface, Tissue Loading Bar Graph (TLBG), Pre Dive Planning Sequence (PDPS),
Set Point, Control Console, Turn Gas Alarm, and OceanLog are all registered and unregistered trademarks, trade names, and service marks of Oceanic. All rights are reserved.
PATENT NOTICE
U.S. Patents have been issued, or applied for, to protect the following design features:
Dive Computer with Free Dive Mode and/or Wireless Data Transmission (U.S. Patent no. 7,797,124), Air Time Remaining (U.S. Patent no. 4,586,136 and 6,543,444) and Data Sensing and Processing
Device (U.S. Patent no. 4,882,678). Set TLBG Alarm and other patents pending. User Setable Display (U.S. Patent no. 5,845,235) is owned by Suunto Oy (Finland).
DECOMPRESSION MODEL
The programs within the OC1 simulate the absorption of nitrogen into the body by using a mathematical model. This model is merely a way to apply a limited set of data to a large range of experiences.
The OC1 dive computer model is based upon the latest research and experiments in decompression theory. Still, using the OC1, just as using the U.S. Navy (or other) No Decompression
Tables, is no guarantee of avoiding decompression sickness, i.e. “the bends.” Every diver’s physiology is different, and can even vary from day to day. No machine can predict how your
body will react to a particular dive profile.
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
Welcome
to
OCEANIC
and
THANK YOU
for choosing the
OC1
5
OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
FEATURES
AND
FUNCTIONS
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
DISPLAY LAYOUT
Descend,
Ascend,
or Stop
TLBG or
O2BG
BG id
VARI
Log
Mode
Depth id
Temp or
Heading
Press id
Low
Battery
FO2
Nitrox
Time
Daily AL or
TMT Link
Dot Matrix
ICONS
DISPLAY ABBREVIATIONS
ACTIV = Activation
AL = Alarm
ALT = Alternate (watch time)
ATR = Air Time Remaining
AUD = Audible
AVAIL = Available
BATT = Battery
CAL = Calibrate (compass)
CDT (CD) = Countdown Timer
CHRONO = Chronograph (stop watch)
CONSERV = Conservative Factor
DD = Descending Depth (alarm)
DECO = Decompression
DFLT = Default
DSAT = Desaturation (or Algorithm type)
DTR = Dive Time Remaining
DURA = Duration (backlight)
E = East (compass)
EDT = Elapsed Dive Time
EL = Elevation (altitude)
FO2 = Fraction of Oxygen (%)
FORM = Format (date, time)
FREE = Free Dive Mode
FT = Feet (depth)
GAUG = Digital Gauge Dive Mode
GLO = Glow (backlight)
HIST = History
LO = Low (battery)
M = Meters (depth)
MIN = Minutes (time)
N = North (compass)
NDC = No Deco DTR
NDL = No Deco Limit
NE = Northeast (compass)
NO = Number
NO-D = No Decompression
NORM = Normal Dive Mode
NW = Northwest (compass)
O2 = Oxygen
OTR = O2 DTR
PO2 = Partial Pressure of O2 (ATA)
PRESS = Pressure
PZ+ = Algorithm type
REF = Reference (compass)
S = South (compass)
SAFE = Safety (stop)
SE = Southeast (compass)
SEC = Seconds (time)
SET A = Set Alarms
SET F = Set FO2 items
SET U = Set Utilities
SN = Serial Number
SURF = Surface
SW = Southwest (compass)
SWCH = Switch (gas)
TAT = Total Ascent Time (deco)
TLBG = Tissue Loading Bar Graph
TMR = Timer
TMT = Transmitter
VIOL = Violation
W = West (compass)
OC1 Watch/Dive Computers are placed in a Deep Sleep mode prior to being shipped from the factory. The intent is to extend storage life of the Battery
for up to 7 years, before the unit is initially placed in service.
In this mode, Date and Time are updated as they normally would be. However, they are not displayed. Upon waking the OC1 up, the correct Date and
USA Pacific Time will be displayed and it will be ready to operate with full functions.
To wake the OC1 up from Deep Sleep mode, simultaneously depress the upper/right (S) and lower/left (A) buttons for 3 seconds until the display comes
full ON displaying the Watch Main Time screen, then release them.
NOTE: Once the OC1 is brought out of the Deep Sleep mode, it can only be placed back into it by the factory.
INITIAL ACTIVATION
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
OVERVIEW
The OC1 is a fully loaded Watch Dive Computer featuring >>
• 4 Control Buttons
• 10 Menus
• 40 Set Selections
• Increase/Decrease Set Values
• 5 Operating Modes
• 3 Nitrox Gas Mixes
• 35 Warnings/Alarms
• Dual Watch Time
• Dual Algorithm
• Gas/TMT Switching
INTERACTIVE CONTROL CONSOLE
The Interactive Control Console utilizes 4 control buttons that allow you to maneuver through the OC1's unique system of menus.
The buttons will be referred to as M, S, L, and A.
• Upper/Left - Mode (M) button
• Upper/Right - Select (S) button
• Lower/Right - Light (L) button
• Lower/Left - Advance (A) button
MENU SYSTEM
The Dot Matrix located in the middle of the LCD viewing area is used to display alpha numeric messages and measured values
as well as Menu type systems for selection of settings and various auxiliary functions. It also serves as the Digital Compass which
can be accessed during operation in any mode.
There are 10 Menus that include the -
• Watch Menu
• Set Time Menu
• NORM Menu
• GAUG Menu
• FREE Menu
• Compass Menu
• Set F Menu
• Set A Menu
• Set U Menu
• Set TMT Menu
Each Menu has a Start (First) selection and a Stop (Last) selection. Upon entering a Menu, movement through it starts at the Start
(First) selection, then continues in a rolling manner down the screen showing selections in groups of 3.
• The sample at the right shows how a menu would look if all of the selections would be displayed on one screen.
Menu button action >>
M (< 2 sec) - to access Menu
A (< 2 sec) - to step down the screen (forward) through selections
M (< 2 sec) - to step up the screen (backward) through selections
S (< 2 sec) - to access selection indicated by Arrow icon ( > )
Right Arrow icon ( > ) at the left indicates the selection.
Down Arrow icon ( v ) at the right indicates that additional selections are available below (after) those shown.
Up Arrow icon ( ^ ) at the right indicates that additional selections are available above (before) those shown.
M
A
S
L
• No Deco Deep Stop
• No Deco Safety Stop
• Gauge Depths to 660 FT/200 M
• Gauge Dive Run Timer
• Digital Compass
• Altitude Compensation
• NDL Conservative Factor
• Variable Ascent Rate
• PC Settings Upload/Data Download
• Audible Alarm with flashing LED
• User Replaceable Battery
• User Upgradeable Firmware
OC1
Sample Menu
(all selections shown)
Selection can
be accessed
There is a selec-
tion above
There is a selec-
tion below
M
A
S
L
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
WATCH MODE STRUCTURE
Pg. 32
MS
AL
2 sec
< 2 sec 2 sec
< 2 sec closure
< 2 sec
Dive Op
Mode
Compass
Op Main
Watch
Menu
Watch
ALT 1
Watch
ALT 2
Light
Pg. 80
Ack
Daily AL
Pg. 37
A
< 2 sec
60 sec
Pg.
153
Pg. 45
Pg. 33
Pg. 32
Pg. 33
Select
> CDT
Chrono
Daily AL
Set Time
2 sec
NORM SURFACE MODE STRUCTURE
Pg. 48
MS
AL
2 sec
2 sec
< 2 sec closure
Watch
Mode
Compass
Op Main
NORM
Menu
SURF
ALT 1
SURF
ALT 2
Light
Pg. 80
A
< 2 sec
60 sec
Pg.
153
Pg. 32
Pg. 50
Pg. 49
Pg. 49
Select
> Fly/Dsat
Plan
Log
Set F
Set A
Set U
Dive Mode
History
SN
Batt/TMT
SURF
ALT 3
A
< 2 sec
Pg. 50
< 2 sec
2 sec
GAUG SURFACE MODE STRUCTURE
Pg. 122
MS
AL
2 sec
2 sec
< 2 sec closure
Watch
Mode
Compass
Op Main
GAUG
Menu
SURF
ALT 1
SURF
ALT 2
Light
Pg. 80
A
< 2 sec
60 sec
Pg.
153
Pg. 32
Pg.
124
Pg.
123
Pg.
123
Select
> Fly
Log
Set A
Set U
Dive Mode
History
SN
Batt/TMT
< 2 sec
2 sec
COMPASS MODE STRUCTURE
Pg. 153
MS
AL
2 sec
2 sec closure
Watch or
DC Main
COMP
Menu
AUTO
HOME Light
Pg. 80
Pg. 32/48/122/130
Pg.
148
Pg.
155
Select
> Calibration
North
Reference
Declination
60 sec
(if REF)
SURFACE
< 2 sec
2 sec
WATCH/NORM/GAUG SET MODE STRUCTURE
NORM or GAUG
Menu
Pg. 50/122
Set F Menu**
> FO2_1
FO2_2
FO2_3
FO2 Default
Pg. 56
Set A Menu
> Aud AL
Depth AL
EDT AL
TLBG AL**
DTR AL**
Turn AL
End AL
PO2 AL**
Pg. 60
Set U Menu
> Wet Activ
Units
Deep Stop**
Safety Stop**
NDL Basis**
Conserv**
Glo Dura
Sampling
TMTs
Pg. 65
S
< 2 sec
S
< 2 sec
S
< 2 sec
** = NORM only
WATCH
Menu
Pg. 33
Set Time Menu
> Date Format
Hour Format
Time
Date
ALT Time
Default Time
Pg. 38
S
< 2 sec
FREE SURF MODE STRUCTURE
Pg. 130
MS
AL
2 sec
2 sec
< 2 sec closure
Watch
Mode
Compass
Op Main
FREE
Menu
SURF
ALT 1
SURF
ALT 2
Light
Pg. 80
A
< 2 sec
60 sec
Pg.
153
Pg. 32
Pg. 132
Pg. 131
Pg. 131
Select
> CDT
Set EDT AL
Set DD1 AL
Set DD2 AL
Set DD3 AL
Dive Mode
< 2 sec
2 sec
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
AUDIBLE ALARM
While operating in NORM or GAUG Mode the Audible will emit 1 beep per second for 10 seconds when alarms strike, unless it is set Off. During that
time, the Audible can be acknowledged and silenced by pressing the S button (less than 2 seconds).
A LED Warning Light, on the lower end of the housing, is synchronized with the Audible and flashes as the Audible sounds. It will turn Off when the Alarm
is silenced. The Audible and LED will not be active if the Audible is Set OFF (a group A setting).
FREE Dive Mode has its own set of Alarms which emit 3 short beeps either 1 or 3 times which cannot be acknowledged or set Off.
Situations that will activate the NORM/GAUG 10 second Alarm include -
** Items activate only in NORM mode.
• Air Time Remaining (ATR) at 5 minutes, then again at 0 minutes.
• Turn Pressure at the Set Point selected (Transmitter 1 only).
• End Pressure at the Set Point selected (active Transmitter).
• Descent deeper than the Depth Alarm Set Point selected.
• Dive Time Remaining at the Set Point selected**.
• Elapsed Dive Time at the Set Point selected.
• PO2 at the Set Point selected**.
• High O2 of 300 OTU (100%)**.
• TLBG at the Set Point selected**.
• Ascent Rate exceeds 60 FPM (18 MPM) when deeper than 60 FT (18 M), or 30 FPM (9 MPM) at 60 FT (18 M) and shallower.
• Loss of the active Transmitter Link signal for more than 15 seconds during a dive.
• Entry into Decompression Mode (Deco)**.
• Conditional Violation (above a required Deco Stop Depth for less than 5 minutes)**.
• Delayed Violation (above a required Deco Stop Depth for more than 5 minutes)**.
• Delayed Violation (a Deco Stop Depth greater than 60 FT/18 M is required)**.
• Delayed Violation (Max Operating Depth of 330 FT/100 M is exceeded).
• A Gas Switch would expose the diver to PO2 => 1.60 ATA**.
• Watch Daily Alarm reaches time set (disabled during Dive Modes).
• Watch Mode Countdown Timer reaches 0:00.
A single short beep (which cannot be disabled) sounds when -
• After 5 minutes on the surface after the Violation dive.
3 short beeps (which cannot be disabled) sound when -
• Ascent Rate is 51 to 60 FPM (15.1 to 18 MPM) when deeper than 60 FT (18 M), or 26 to 30 FPM (7.5 to 9 MPM) at 60 FT (18 M) and shallower.
• FREE Dive Elapsed Dive Time Alarm (3 beeps every 30 seconds if set On).
• FREE Dive Depth Alarms 1, 2, 3 (set sequentially deeper) - each 3 beeps 3 times.
• FREE Dive TLBG Alarm (Caution zone, 4 segments) - 3 beeps 3 times.
• Entry into Deco during a FREE Dive (Violation) - 3 beeps 3 times.
• Free Dive Mode Countdown Timer reaches 0:00 - 3 beeps 3 times.
During the following NORM Dive situations, the 10 second continuous tone will be followed by a 5 second steady beep that will not turn off when acknowl-
edged -
• Ascent above a Deco Stop for more than 5 minutes.
• Deco requires a Stop Depth of 70 FT/21 M or deeper.
• On the Surface for 5 minutes after a Conditional Violation.
PC INTERFACE
Interface with a PC, to allow uploading settings and downloading data, is accomplished by connecting the OC1 to a PC USB Port using the special OC1
USB Interface Cable.
The software program together with the USB Driver required is on the Oceanlog CD, and can be downloaded from the OceanicWorldwide web site. The
program's HELP** serves as the user manual which can be printed for personal use.
** Prior to attempting to Download data from your OC1 or Upload Settings to it, review the HELP section of the Oceanlog program. Recommended is to
print those sections of HELP that you consider appropriate for your Interface activities.
The Settings Upload portion of the Oceanlog program can be used to set/change the Main Time, Date, Set A group (Alarms), and Set U group (Utilities)
using the same Interface System. FO2 and FREE Mode related items must be set using the control buttons.
Information available for retrieval (download) from the OC1 to the PC Download portion of the program includes dive data such as number, surface inter-
val time, maximum depth, elapsed dive time, no deco status, pressure, start date/time, lowest temperature under water, sampling rate, dive profile, and Set
Points.
The Oceanlog program also allows upgrade of select versions of the OC1's firmware (operating system software) after which the OC1 resets all operating
data. Since the upgrades require reset of the OC1, they are blocked during 24 hours after dives.
• Refer to page 58 for more details relating to Oceanlog and PC Interface.
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
POWER SUPPLY
• OC1 (Watch) Battery >> (1) 3 vdc, CR2450, Lithium battery
• Shelf life >> up to 7 years (when shipped from factory in Deep Sleep mode)
• OC1 use life >> 1 year or 300 dive hours if (2) 1 hour dives per dive day
• TMT (Transmitter) Battery >> (1) 3 vdc, CR2, .75 Ahr, Lithium battery
• TMT use life >> 300 dive hours if (2) 1 hour dives per dive day
• Replacement >> user replaceable (annual recommended)
Battery icon (OC1 only):
• Warning >> icon on solid < 2.75 volts, battery change recommended
• Alarm >> icon on flashing < 2.50 volts, change the battery
BATTERY STATUS
To access, while viewing NORM (or GAUG) SURF Main >>
• M (< 2 sec) to access Menu
• A (< 2 sec), repeat until ( > ) is next to BATT/TMT
• S (< 2 sec) activates Receiver, then OC1 Status appears for 3 sec (Fig. 1A), then each TMT Status for 3 sec (Fig. 1B).
OC1 LOW BATTERY WHILE ON THE SURFACE
<= 2.75 volts (warning level)
• Backlight is completely disabled.
• Battery icon (shell with inner bar) appears solid (Fig. 2a).
• If a dive is started, the icon is not displayed on the dive mode screens.
• Watch and DC functions, including Compass Mode, continue to be available.
<=2.50 volts (Too Low - alarm level)
• All DC operations cease and unit operates only as a Watch with Compass (view only).
• Low Battery icon (shell only with no inner bar) flashes for 5 seconds and operation reverts to Watch Time with Compass
allowed (view only) until the Battery is changed or voltage cannot sustain operation, then the graphic CHANGE BATTERY
flashes (Fig. 3) until the Battery is changed or voltage drops to the level at which operation cannot be maintained.
OC1 LOW BATTERY DURING A DIVE
<= 2.75 volts (warning level)
• Backlight is completely disabled.
• Full DC functions and Compass continue to be available.
• Battery icon is not displayed on the dive mode screens.
• Battery icon (shell with inner bar) appears solid upon entry into Surface Mode.
<= 2.50 volts (Too Low - alarm level)
• Backlight is completely disabled.
• Full DC functions continue to be available during the dive.
• Battery icon is not displayed on the dive mode screens.
• Upon entry into Surface Mode, the Battery icon (shell only with no inner bar) and graphic CHANGE BATTERY flash for
5 seconds (Fig. 4) and operation reverts to Watch Time (Fig. 5), with Compass (view only) allowed, until the Battery is
changed or voltage cannot sustain operation, then the graphic CHANGE BATTERY flashes until the Battery is changed or
voltage drops to the level at which operation cannot be maintained.
TMT (TRANSMITTER) LOW BATTERY
Indication is provided only while on the surface.
<= 2.75 volts (warning level)
• The graphics TMTx BATT and LO appear solid on the Battery Status screen (Fig. 6).
• DC functions continue to be available (surface and dive).
<= 2.50 volts (Too Low - alarm level)
• The graphics TMTx BATT and LO alternate with the graphics DIVE xx and NORM (or GAUG) on the NORM (or GAUG)
SURF Main screen (Fig. 7).
• The graphics TMTx BATT and LO also flash on the Battery Status screen.
• TMT operation continues until Tank Pressure decreases to 50 PSI.
Fig. 1A - OC1 BATTERY
STATUS
Fig. 1B - TMT BATTERY
STATUS
Fig. 2 - OC1 LOW BATT
WARNING
Fig. 3 - OC1 LOW BATT
ALARM
a
Fig. 4 - LOW BATT ALARM
(after surfacing)
Fig. 5 - WATCH MODE
(Low Batt Alarm)
Fig. 6 - TMT BATT STATUS Fig. 7 - NORM SURF MAIN
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OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
WATCH MODE
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© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
WATCH DEFAULT TIME
Default Time is the Time that is displayed on the Watch until changed. It is also the Time viewed during operation in DC (Dive
Computer) Modes.
Main Time is the current Time at your home location and is normally selected as the Watch Default Time.
Alternate Time, set by Hour Differential, is the current Time at a remote travel location. Upon arrival at the location, Alternate
Time can be interchanged with Main Time to make it the Default Time while visiting the travel location.
Setting Time of Day and Alternate Time, and selection of which is to be the Default Time displayed are functions in the Watch Set
Time Menu.
Once Alternate Time is set, by Hour Differential, it will automatically change when Time of Day is set/changed. When Alternate
Time is selected to be the Watch Default Time (while at a travel location), it will change directly when Time of Day is changed
and Main (home) Time will then change by a differential opposite the one set for Alternate Time.
M 2 seconds, or no button action during 2 minutes, while operating in any Watch sub routine, will revert to the Watch Default
Time screen.
Default Time, information includes (Fig. 8):
> Time of Day (hr:min:sec), Home (or Alternate if selected)
> Day of Week graphic MON, TUE, WED, THU, FRI, SAT, or SUN
> Graphic ALT, if Alternate Time is selected as Default
> Month.Day (or Day.Month)
> Battery icon, if a Low Battery
> Alarm (speaker) icon, if Daily Alarm is set On
> TLBG, if any after NORM/FREE dives
• A < 2 sec to access Watch ALTs
• M < 2 sec to access Watch Menu
• M 2 sec to access DC (Dive Computer) Mode
• S < 2 sec to silence Daily Alarm
• S 2 sec to access Compass
• L (on closure) to activate Backlight
Alt 1, information includes (Fig. 9):
> Time of Day (hr:min:sec), Alternate (or Home if selected)
> Day of Week graphic MON, TUE, WED, THU, FRI, SAT, or SUN
> Graphic ALT, blank if Home Time is displayed
> Month.Day (or Day.Month)
> Battery icon, if a Low Battery
> Alarm (speaker) icon, if Daily Alarm is set On
> TLBG, if any after NORM/FREE dives.
• A < 2 sec to access ALT 2
• 5 sec reverts to Watch Default if A is not pressed
• L (on closure) to activate Backlight
Alt 2, information includes (Fig. 10):
> Altitude graphic EL2 (to EL 7), blank if Sea level
> Temperature with ° icon and graphic F (or C)
• 5 sec, or A < 2 sec, revert to Watch Default
• L (on closure) to activate Backlight
WATCH MENU
M (< 2 sec) - to access Menu, while viewing Default Time.
A (< 2 sec) - to step down (forward) through selections.
M (< 2 sec) - to step up (backward) through selections.
S (< 2 sec) - to access selection indicated by Arrow icon ( > ).
CDT (Countdown Timer) STATUS
Upon access, the following is displayed (Fig. 11) -
> Graphics CD TMR solid with OFF (or ON) flashing.
> Countdown Time (hr:min). If OFF, 0:00 or the CDT time if previously set. If ON, the remaining time (hr:min).
• A < 2 sec to step through selections OFF, ON, and SET.
• S < 2 sec to save the selection that is flashing.
>> If OFF is selected, operation reverts to the Menu.
>> If ON is selected, operation reverts to the Menu with the time set starting to countdown.
>> If SET is selected (Fig. 12), Set CDT is accessed.
Fig. 8 - DEFAULT TIME
Fig. 9 - WATCH ALT 1
Fig. 10 - WATCH ALT 2
Fig. 11 - CDT STATUS
(upon access)
Fig. 12 - CDT STATUS
(to access Set, or set/ready)
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Set CDT, information includes (Fig. 13):
> Graphics SEt and CD TMR
> CDT (hr:min) with Hour digits flashing
> Time (clock) icon
• A (hold) to scroll upward through Hour Set Points at a rate of 8 per second from 0: to 23: in increments of 1: (hr).
• A (< 2 sec) to step upward through Set Points one at a time.
• M (< 2 sec) to step back through Set Points one at a time.
• S (< 2 sec) to save the Hour Set Point and flash the Minute digits.
• A (hold) to scroll upward through Minute Set Points at a rate of 8 per second from :00 to :59 in increments of :01 (min).
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time.
• S (< 2 sec) to save the CDT Set Point and revert to the CDT Status screen with SET flashing (similar to Fig. 12).
The CDT will run in the background, while in Watch mode, until it counts down to 0:00, or it is set OFF, or DC Mode is accessed
or a Dive is started in which case the CD will terminate and revert to OFF.
When a set Countdown Time reaches 0:00, the Audible Alarm will sound during which time the graphic CDT will be displayed
on the watch Default Time screen with 0:00 flashing (Fig. 14).
FREE Dive Mode has a separate (min:sec) CDT.
CHRONOGRAPH (Stop Watch/Lap Timer)
Upon access from the Menu, the Status screen is displayed
> OFF solid and 0:00, if no time was previously set
> ON and the remaining Countdown Time (hr:min), if running
> OFF flashing and the time previously set, if it has ended
Chrono Status, information includes (Fig. 15):
> Graphic CHRONO
> Elapsed time if running, or 0:00:00.00 (hr:min:sec .01 sec)
> Time (clock) icon
• S (< 2 sec) to start Timer counting up from 0:00:00.00 to 9:59:59.99 max (hr:min:sec .01 sec) in increments of .01
(1/100th sec). After first 4.99 seconds, the .01 digits display 2 dashes (. - - ).
• S (< 2 sec) to freeze and display Laps (up to 9), the Timer continues to run in the background
• A (< 2 sec) to stop Timer and recall Lap 1 (Fig. 16), repeat to recall other Laps
• A (2 sec) to reset Timer to 0:00:00.00 and revert to the Chrono Status screen
While the Chronograph is running, it remains on the screen until another screen is accessed, it will then continue to run in the
background while on the surface. Upon descending on a dive, Chrono operation will be terminated and reset to 0:00:00.00.
DAILY ALARM
When set On, the Daily Alarm will -
> be synchronized with the Watch Default Time selected.
> sound the Audible at the Time set every day.
> not sound the Audible while operating in DC Modes.
> run in the background until set Off.
Daily Alarm Status
Upon access, the following is displayed (Fig. 17) -
> Graphics DAILY AL solid with OFF (or ON) flashing.
> Alarm Time (hr:min) set with graphic A (or P) if 12 Hour Format, and Time (clock) and Alarm (speaker) icons.
• A < 2 sec to step through selections OFF, ON, and SET.
• S < 2 sec to save the selection that is flashing.
>> If OFF is selected, operation reverts to the Menu.
>> If ON is selected, operation reverts to the Menu with the Alarm enabled.
>> If SET is selected (Fig. 18), Set Daily Alarm is accessed.
Set Daily Alarm, information includes (Fig. 19):
> Graphics SEt and DAILY AL
> Alarm Time (hr:min) with Hour digits flashing
> Time (clock) and Alarm (speaker) icons
• A (hold) to scroll upward through Hour Set Points at a rate of 8 per second from 0: to 23: in increments of 1: (hr).
• A (< 2 sec) to step upward through Set Points one at a time.
• M (< 2 sec) to step back through Set Points one at a time.
• S (< 2 sec) to save the Hour Set Point and flash the Minute digits.
• A (hold) to scroll upward through Minute Set Points at a rate of 8 per second from :00 to :59 in increments of :01 (min).
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time.
• S (< 2 sec) to save the Set Point and revert to the Daily Alarm Status screen with SET flashing (similar to Fig. 18).
Fig. 13 - SET CDT
Fig. 14 - WATCH MAIN
(during CDT Alarm)
Fig. 15 - CHRONO
(started, running)
Fig. 16 - CHRONO
(started, frozen or recalled)
Fig. 17 - DAILY ALARM
STATUS (upon access)
Fig. 19 - SET ALARM TIME
Fig. 18 - DAILY AL STATUS
(to access Set or set/ready)
14
OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
SET TIME MENU
• S (< 2 sec) to access Set Time Menu, while the selection Arrow icon ( > ) is next to Set Time on the Watch Menu
• A (< 2 sec) to step down (forward) through selections
• M (< 2 sec) to step up (back) through selections
• S (< 2 sec) to access selection indicated by Arrow icon ( > )
Set Date Format, information includes (Fig. 20):
Date Format establishes the location that the Month (M) digits are displayed relative to the Day (D) digits, on the left or right.
> Graphic DATE FORMAT
> Set Point graphics MNTH.DAY and DAY.MNTH; Arrow ( > ) icon next to the one previously saved flashing
• A (< 2 sec) to toggle Set Points
• S (< 2 sec) to save Set Point and revert to Set Time Menu
Set Hour Format, information includes (Fig. 21):
> Graphic HOUR FORMAT
> Set Point graphics 12 and 24; Arrow ( > ) icon next to the one previously saved flashing
• A (< 2 sec) to toggle Set Points
• S (< 2 sec) to save Set Point and revert to Set Time Menu
Set Time of Day, information includes (Fig. 22):
This setting directly changes the Time of Day that is selected to be the Watch Default Time, whether it is Main (home) Time or
Alternate (travel location) Time. The other will be changed by the Time Differential set.
> Graphic TIME
> Time of Day (hr:min), Hour digits flashing, with graphic A (or P) if 12 Hour Format
> Graphic ALT, if Alternate is Default Time (at travel location)
• A (hold) to scroll upward through Hour Set Points at a rate of 8 per second from 12: A to 11: P, or 0: to 23: if 24 Hour
Format, in increments of 1: (hr)
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time
• S (< 2 sec) to save the Hour Set Point and flash the Minute digits
• A (hold) to scroll upward through Minute Set Points at a rate of 8 per second from :00 to :59 in increments of :01 (min)
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time
• S (< 2 sec) to save the Time Set Point and revert to the Set Time Menu.
Set Date, information includes (Fig. 23):
The sequence for setting date is Year, then Month, then Day, regardless of the Date Format set.
> Graphic DATE
> Graphics YEAR MNTH.DAY (or (DAY.MNTH)
> Date with Year digits flashing
• A (hold) to scroll upward through Year Set Points at a rate of 8 per second from 2008 to 2051, in increments of 1
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time
• S (< 2 sec) to save the Year Set Point and flash the Month digits
• A (hold) to scroll upward through Month Set Points at a rate of 8 per second from 1 to 12 in increments of 1
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time
• S (< 2 sec) to save the Month Set Point and flash the Day digits
• A (hold) to scroll upward through Day Set Points at a rate of 8 per second from 1 to 31 (max) in increments of 1
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time
• S (< 2 sec) to save the Date Set Point and revert to the Set Time Menu.
Set Alternate Time, information includes (Fig. 24):
This feature sets an Hour based numeric time Differential ranging from - 23 through 0 to + 23 (hours). Once the Differential is
selected/saved, Alternate Time/Date values are based on the Time of Day Set Points unless changed while at a travel location
with ALT Time selected as the Watch Default Time in which case Main (home) Time would change by a differential opposite to the
one previously set for ALT Time.
> Graphics SEt and ALT TIME solid
> Set Point graphic OFF, or the +/ - numeric Hour Differential with graphic HR, all flashing
• A (hold) to scroll upward through Set Points at a rate of 8 per second from - 23 through 0 to + 23 in increments of 1
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time
• S (< 2 sec) to save the Differential Set Point and revert to the Set Time Menu.
Fig. 20 - SET DATE FORMAT
Fig. 21 - SET HOUR FORMAT
Fig. 22 - SET TIME
Fig. 23 - SET DATE
Day of the week is set
automatically based on the
Date set.
Fig. 24 - SET ALTERNATE
TIME
15
OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
Select Default Time, information includes (Fig. 25):
This feature selects whether Main (home) Time or Alternate (travel location) Time will be displayed as the Watch Default Time.
The other will be displayed on the Watch ALT 1 screen.
> Graphics SEL and DFLT TIME solid
> Set Point graphics MAIN (home) and ALT (travel location, by Differential set); Arrow ( > ) icon next to the one previously
saved flashing
• A (< 2 sec) to toggle Set Points
• S (< 2 sec) to save Set Point and revert to Set Time Menu Fig. 25 - SET DEFAULT TIME
SUMMARY OF
WATCH MODE OPERATIONS
closure
M
2 sec
S
2 sec
A
< 2 sec
A
< 2 sec
A
< 2 sec
S
< 2 sec
S
< 2 sec
S
< 2 sec
S
< 2 sec
S
< 2 sec
A
S
< 2 sec
S
< 2 sec
S
< 2 sec
S
< 2 sec
S
< 2 sec
S
< 2 sec
M
< 2 sec
A
< 2 sec
A < 2 sec to toggle, step up
A hold to scroll up
M < 2 sec to step back
S < 2 sec to save
back to
Watch
back to
Status
back to
Status
back to
Menu
Date Format
Hour Format
Time
Date
ALT Time
Default Time
others similar
< 2 sec to Stop, Recall Laps
2 sec to Reset, back to Status
M
< 2 sec
M
2 sec
16
OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
NORM
SURFACE MODES
17
OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
NORM SURFACE FUNCTIONS
L
closure
M
2 sec
S
2 sec
A
< 2 sec
S
< 2 sec
S
< 2 sec
M
2 sec
M
< 2 sec
A
< 2 sec
Shown is access to NORM from Watch,
then to GAUG from NORM.
Access from NORM to FREE, GAUG to
FREE, GAUG to NORM, FREE to NORM ,
and FREE to GAUG are similar.
M
< 2 sec
M
2 sec
DIVE COMPUTER OPERATING MODES
NORM Mode >> for Air and Nitrox SCUBA activity with up to 3 Gases/3 TMTs
GAUG Mode >> for SCUBA activity with up to 3 TMTs
FREE Mode >> for breath hold diving activity with Depth/Time indication
If no previous dive has been taken within the past 24 hours, NORM is the default upon access from Watch Default Time. Others accessed as indicated at
the left.
At any time while operating in Surface Modes, operation will enter the Dive Mode selected upon descent to 5 FT (1.5 M) for 5 seconds.
• When Wet Activation is set Off, Dive Mode will only be activated during operation in a DC Mode. It will not activate while in Watch Mode.
• When Wet Activation is set On, the selected Dive Mode will activate upon descent regardless of what mode it is operating in at the time.
Operation will revert from Dive Mode to Surface Mode upon ascent to 4 FT (1.2 M) for 1 second. The Surface Interval Time colon will flash during the first
10 minutes after a NORM/GAUG dive (Fig. 34), or 1 minute after a FREE dive.
A descent during the first 10 minutes after surfacing from a NORM or GAUG dive, or the first 1 minute after surfacing from a FREE dive, is a continuation
of that dive. After the 10 minute (or 1 minute) interval has elapsed, a descent is then considered a new dive.
18
OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
NORM SURF MAIN, information includes (Fig. 26A/B):
> Graphic NORM
> Graphic DIVE and number of dives completed during that operating period, up to 24 (0 if no dive made yet)
> Graphic SURF and SI (hr:min) with Time (clock) icon; if no dive yet, this is time since access to NORM
> Graphic GAS 1, default surface Gas, pre dive and 10 minutes after a dive
> Nx icon, if any Gas is set for Nitrox
> Tank Pressure with PSI (or BAR) icon, if the Receiver is successfully Linked with an active TMT (Transmitter), 000 flashing after
15 seconds of lost Link
> Link icon, if the Receiver is successfully Linked with a TMT, flashing after 15 seconds of lost Link. (Note that this is the same
icon used in Watch Mode to signify that the Daily Alarm is set On.)
> TLBG with NI icon, if any after a NORM or FREE dive
> Battery icon, if voltage is low
• A < 2 sec to access ALT 1 (ALT 2 if no dive yet)
• M < 2 sec to access NORM Menu
• M 2 sec to access Watch Mode
• S 2 sec to access Compass**
• L (on closure) to activate Backlight,
** Compass can only be accessed from Main.
NORM SURF ALT 1, information includes (Fig. 27):
> Max Depth with MAX and FT (or M) icons, 2 dashes ( - - ) if no previous dive
> Elapsed Dive Time (hr:min) with graphic EDT, 3 dashes ( - : - - ) if no previous dive
> Graphic LAST DIVE, indicating that data is from the dive previously conducted while in NORM mode
• A < 2 sec to access ALT 2
• 10 sec, revert to Main if A is not pressed
• L (on closure) to activate Backlight
NORM SURF ALT 2, information includes (Fig. 28):
> Time of Day (hr: min sec) with A (or P)
> Altitude graphic, if EL2 (to EL7), blank if Sea level
> Temperature with ° icon and graphic F (or C)
• A < 2 sec to access ALT 3 (if set for Nitrox), or revert to Main (if set for Air)
• 5 sec, revert to Main if A is not pressed
• L (on closure) to activate Backlight
NORM SURF ALT 3, information includes (Fig. 29):
> Graphic O2
> Graphics FO2 and GAS 1 with FO2 Set Point
> Nx icon
> O2BG with O2 icon, current O2
• 5 sec or A < 2 sec, revert to Main
• L (on closure) to activate Backlight
NORM MENU
M (< 2 sec) - to access Menu, while viewing Surface Main
A (< 2 sec) - to step down (forward) through selections
M (< 2 sec) - to step up (backward) through selections
S (< 2 sec) - to access selection indicated by Arrow icon ( > )
M (2 sec) any time - to revert to Surface Main
2 min (no button action) - will revert to Surface Main
FLY/DSAT TIME
Fly Time is a count down timer that begins counting down 10 minutes after surfacing from a dive from 23:50 to 0:00 (hr:min).
Dsat Time, also a count down timer, provides calculated time for tissue desaturation at sea level taking into consideration the
Conservation Factor setting.
Dsat Time also begins counting down 10 minutes after surfacing from a dive, counting down from 23:50 (max) to 0:00 (hr:min).
When the Dsat count down reaches 0:00, which will generally occur prior to the Fly count down reaching 0:00, it will remain on
the display until the Fly count down reaches 0:00.
> Dsat is not displayed after a Gauge or Violation dive.
> Desaturation requiring Times greater than 24 hours will display 23: - - .
> In the event that Time to Desaturate still remains at the end of 24 hours, the added time will be zeroed.
> When other screens are accessed, the Fly and Sat countdowns continue in the background.
Fig. 26B - NORM SURF MAIN
(after dive 1)
Fig. 26A - NORM SURF MAIN
(no dive yet)
Fig. 28 - NORM SURF ALT 2
Fig. 27 - NORM SURF ALT 1
(Last dive's data)
Fig. 29 - NORM SURF ALT 3
19
OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
Fly/Dsat, information includes (Fig. 30A/B):
> Time to Fly (hr:min), 0:00 if no dive yet, with graphic FLY
> Time to Desat (hr:min), 0:00 if no dive yet, with graphic DSAT
> Time (clock) icon
• S < 2 sec, revert to Menu
• L (on closure) to activate Backlight
NORM PLAN MODE
No Deco Dive Times (NDLs) in NORM Plan Mode are based on the Algorithm selected (DSAT or PZ+) and only on the FO2 set
for Gas 1. FO2 set for Gas 2 and 3 are not used.
NORM Menu >> Plan Lead-in >> PDPS
Plan Lead-in, information includes (Fig. 31A/B):
> Graphic PLAN
> Graphic FO2_1 (Gas 1)
> Graphic Air or numeric % value (21 to 50), indicating the FO2 set for Gas 1
> Graphic PO2 with PO2 Alarm value set (1.20 to 1.60), if Nitrox, blank if Air
> Nx icon, if Nitrox
• S < 2 sec to access PDPS
• L (on closure) to activate Backlight
PDPS (Pre Dive Planning Sequence)
The PDPS displays Depths and allowable No Deco Dive Times. It will sequence through Depths from 30 to 190 FT (9 to 57 M),
or the Max Depth that will allow theoretical No Deco Dive Time of at least 1 minute based upon the previous dive profiles in a
series of repetitive dives and taking into account descent and ascent rates of 60 FPM (18 MPM).
When the Conservative Factor is set On, No Deco Dive times are reduced to the values of the next 3000 foot (915 meter) higher
Altitude. Refer to tables in back.
PDPS, information includes (Fig. 32A/B):
> Max Depth with MAX and FT (or M) icons, if Nitrox, blank if set for Air
> Plan Depth value with graphic FT (or M)
> Graphic NDC (or OTR) with Dive Time allowed (hr:min) with Time (clock) icon, no OTR if Air
> Graphic PO2 with PO2 Alarm value set (1.20 to 1.60), if Nitrox, blank if set for Air
> Nx icon, if Nitrox
• A (hold) to scroll upward through screens at a rate of 8 per second increasing planned Depth from 30 to 190 FT (9 to 57 M)
in increments of 10 FT (3 M)
• A (< 2 sec) to step upward through screens one at a time
• M (< 2 sec) to step back through screens one at a time
• S (< 2 sec) to revert to the Plan Lead-in screen
• L (on closure) to activate Backlight
NORM/GAUG LOG MODE
Information from the latest 24 NORM and/or GAUG dives is stored for viewing. After exceeding 24 dives, the most recent dive
is stored while the oldest is deleted.
> Dives are numbered from 1 to 24 starting each time NORM (or GAUG) Dive Mode is activated. After the post dive 24 hour
period has elapsed, the first dive of the next operation period is #1.
> During the first 10 minutes after a dive (Transition Period), that dive’s Log screens can be viewed. After 10 minutes, the Log
screens for all dives stored can be viewed.
> In the event that a dive’s elapsed time (EDT) exceeds 9:59 (hr:min), the data at the 9:59 interval is recorded in the Log upon
surfacing of the unit.
NORM Menu >> Log Preview >> Log Data 1 >> Log Data 2
Log Preview, information includes (Fig. 33):
> Log Mode (book) icon
> Graphic NO-D (or DECO or GAUG or VIOL)
> Graphic DIVE and dive number (1 to 24, 0 if no dive yet).
> Time dive began (hr:min) with Time (clock) icon and A (or P), and the graphic ALT if Alternate Time
> Date, the dive was conducted
> Nx icon, if Nitrox
• A (hold) to scroll upward through Preview screens at a rate of 8 per second
• A (< 2 sec) to step upward through screens one at a time
• M (< 2 sec) to step back through screens one at a time
• S (< 2 sec) to access the dive's Log Data 1 screen
• L (on closure) to activate Backlight
Fig. 30A - FLY/SAT
(10 min after dive)
Fig. 30B - FLY/SAT
(< 10 min after dive)
Fig. 31A - PLAN LEAD-IN
(Gas 1 set for Air)
Fig. 31B - PLAN LEAD-IN
(Gas 1 set for Nitrox)
Fig. 32A - PDPS
(nitrogen control)
Fig. 32B - PDPS
(oxygen control)
Fig. 33 - LOG PREVIEW
20
OC1 OPERATING MANUAL
© 2002 Design, 2009 Doc. No. 12-2761-r04 (9/6/11)
Log Data 1, information includes (Fig. 34):
> Log Mode (book) icon
> Max Depth** with MAX and FT (or M) icons
> Graphic DSAT (or PZ+), the NDL Basis (algorithm selected)
> Graphic EDT with Dive Time (hr:min)
> Graphic SURF and pre dive SI (hr:min), 0:00 if Dive # 1, 9: - - if > 9:59, with Time (clock) icon
> Temperature (minimum that dive) with ° icon and graphic F (or C)
> TLBG with the max segment flashing, others fixed up to end of dive accumulation. All segments flashing if a Violation.
Blank if GAUG.
> VARI, max Ascent Rate sustained for 4 sec
> Nx icon, if Nitrox
** Max Depth for NORM dives is 330 FT (100 M), and for GAUG dives it is 660 FT (200 M).
• S (< 2 sec) to access the dive's Log Data 2 screen if Nitrox, or revert to the Preview screen if not
• L (on closure) to activate Backlight
Log Data 2 (Nitrox only), information includes (Fig. 35):
> Log Mode (book) icon
> Graphic GAS 1 (or 2 or 3), in use when dive ended
> Graphic FO2 with FO2 Set Point (or graphic Air) for Gas in used when dive ended
> Graphic PO2 with value of Max PO2 achieved
> Nx icon
> O2BG with O2 icon, accumulated when dive ended
• S (< 2 sec) to revert to the Preview screen
• L (on closure) to activate Backlight
SET F (FO2) MENU
S (< 2 sec) - to access Set F Menu while the selection Arrow icon ( > ) is next to Set F on the NORM Menu
A (< 2 sec) - to step down (forward) through selections
M (< 2 sec) - to step up (back) through selections
S (< 2 sec) - to access selection indicated by Arrow icon ( > )
The last setting saved is displayed next to each Menu item.
Refer to page 29 for an overview of FO2 settings and the 50% Default feature.
Set FO2 Gas 1, information includes (Fig. 36A/B):
> Max Depth with MAX and FT (or M) icons, allowed for PO2 Alarm Set, blank if Air
> Graphic GAS1
> Graphic FO2 with FO2 Set Point value, flashing
> Graphic PO2 with alarm value set
> Nx icon, blank if Air
• A (hold) to scroll upward through Set Points at a rate of 8 per second from Air (default) to 21 through 50 (%) in increments
of 1%.
> The scroll will stop when A is released, or pause at 32% if A is held depressed.
> Depress A, or keep it depressed, to resume the scroll from 32 through 50, then stop at Air (or 21%).
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time
• S (< 2 sec) to save the setting and revert to the Set F Menu
Gas 1 is the default gas on the surface prior to a new dive and 10 minutes after surfacing from dives.
Set FO2 Gas 2, information includes (Fig. 37):
> Max Depth with MAX and FT (or M) icons, allowed for PO2 Alarm Set, blank if Air
> Graphic GAS2
> Graphic FO2 with FO2 Set Point value, flashing
> Graphic PO2 with alarm value set
> Nx icon, blank if Air
• A (hold) to scroll upward through Set Points at a rate of 8 per second from Air** to 21 through 100 (%) in increments of
1%.
> The scroll will start at the FO2 Gas 1 Set Point** and stop when A is released, or pause at 50 then again at 80% if A is
held depressed.
> Depress A, or keep it depressed, to resume the scroll up through 100, then stop at the Gas 1 Set Point.
• A (< 2 sec) to step upward through Set Points one at a time
• M (< 2 sec) to step back through Set Points one at a time
• S (< 2 sec) to save the setting and revert to the Set F Menu
**Gas 2 cannot be set at a value less that set for Gas 1.
Fig. 34 - LOG DATA 1
Fig. 35 - LOG DATA 2
Fig. 36A - SET FO2 GAS 1
Fig. 36B - SET FO2 GAS 1
Fig. 37 - SET FO2 GAS 2
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