Oceanic versa Operating Manual

operating manual

LIMITED TWO-YEAR WARRANTY

For details, refer to the Product Warranty Registration Card provided.
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.
© 2002 Design 2001
San Leandro, Ca. USA 94577
TRADEMARK NOTICE
Oceanic, the Oceanic logo, Versa, the Versa logo, Oceanglo, Smart Glo, OceanLog, Graphic Diver Interface, Pre Dive Planning Sequence, Surface Sequence, Tissue Loading Bar Graph, Variable Ascent Rate Indicator, and color coding of Bar Graphs are all registered and unregistered trademarks of Oceanic. All rights are reserved.
PATENT NOTICE
U.S. Patents have been issued, or applied for, to protect the following design features: Dive Time Remaining (U.S. Patent no. 4,586,136), Data Sensing and Processing Device (U.S. Patent no. 4,882,678), and Variable Ascent Rate Indicator (U.S. Patent no. 5,156,055). User Setable Display (U.S. Patent no. 5,845,235) is
owned by Suunto Oy (Finland).

DECOMPRESSION MODEL

The programs within the Versa 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 Versa dive computer model is based upon the latest research and experiments in decom­pression theory. Still, using the Versa, just as using the U.S. Navy (or other) No Decom-
pression 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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VERSA

CONTENTS

LIMITED TWO-YEAR WARRANTY ................................................................................................................................2
NOTICES ............................................................................................................................... ....................................... 2
DECOMPRESSION MODEL ......................................................................................................................................... 2
FEATURES AND DISPLAYS .............................................................................................. 5
CONTROL BUTTON ..................................................................................................................................................... 6
TISSUE LOADING BAR GRAPH ................................................................................................................................... 7
VARIABLE ASCENT RATE INDICATOR ....................................................................................................................... 7
INFORMATIONAL DISPLAYS ....................................................................................................................................... 8
Depth Displays ............................................................................................................................... .......................... 8
Time Displays ........................................................................................................................................................... 8
POWER SUPPLY .......................................................................................................................................................... 9
Low Battery Condition ............................................................................................................................................... 9
LCD DISPLAY ............................................................................................................................................................. 10
ACTIVATION AND SETUP................................................................................................ 11
ACTIVATION ............................................................................................................................................................... 12
Backup Activation ................................................................................................................................................... 12
SURFACE SEQUENCE .............................................................................................................................................. 13
Time of Day and Surface Mode ................................................................................................................................13
Pre Dive Planning Sequence ................................................................................................................................... 14
SET MODE ................................................................................................................................................................. 14
DIVE MODES ................................................................................................................... 19
DIVE MODE BAR GRAPHS ........................................................................................................................................ 20
CONTROL OF DISPLAYS ........................................................................................................................................... 20
NO DECOMPRESSION DIVE MODE .......................................................................................................................... 21
DECOMPRESSION DIVE MODE ................................................................................................................................22
VIOLATION MODES .................................................................................................................................................... 24
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CONTENTS (continued)
POST DIVE MODES ........................................................................................................ 29
POST DIVE SURFACE MODE .................................................................................................................................... 30
TRANSITION PERIOD ................................................................................................................................................ 30
AFTER THE TRANSITION PERIOD (THE FIRST 2 HOURS)....................................................................................... 31
Time to Fly .............................................................................................................................................................. 31
Pre Dive Planning Sequence ................................................................................................................................... 32
Log Mode ............................................................................................................................................................... 32
AFTER THE FIRST 2 HOURS ..................................................................................................................................... 34
GENERAL ........................................................................................................................ 35
WET CONTACTS ........................................................................................................................................................ 36
CARE AND CLEANING .............................................................................................................................................. 36
INSPECTIONS AND SERVICE ................................................................................................................................... 37
BATTERY REPLACEMENT ........................................................................................................................................ 39
SPECIFICATIONS ............................................................................................................ 45
OCEANIC AFFILIATES/REGIONAL DISTRIBUTORS ...................................................... 48
SERVICE RECORD ......................................................................................................... 49
Pay special attention to items marked with this WARNING symbol.
WARNING: During Activation, Diagnostics, or Operation, if any display or function varies from the information provided herein, DO NOT dive with the Versa. Return it to your Authorized Oceanic Dealer for inspection.
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VERSA
WARNING: Prior to diving with the Versa, you must also read and understand the Oceanic Dive Computer Safety and Reference Manual which pro­vides Important Warnings and Safety Recommen­dations as well as general product information.
FEATURES and DISPLAYS
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WELCOME TO OCEANIC AND THANK YOU FOR CHOOSING THE VERSA !
Your Versa presents the information that you need before, during, and after your Air dives using a combination of easy to read displays and identification icons. This instruc­tional guide is intended to help you become familiar with the functions and features avail­able and show you examples of displays that you could expect to see in the various op­erational modes. Relax and read through the complete operating manual.
Remember that the rules you learned in your basic scuba certification course(s) still apply to the diving you will do while using a dive computer - some will become even more im­portant. Technology is no substitute for common sense, and a dive computer only pro­vides the person using it with data, not the knowledge to use it.

CONTROL BUTTON (Fig. 1)

• The Control Button is first used to Activate the Versa.
• Once activated (and while on the surface), pressing it momentarily provides you access to the Log Mode.
• Pressing it for several seconds provides access to the Set Mode which allows you to set Units of measure, Hour Format, Time of Day, and Water Activation, which are described later.
Fig. 1 - Control Button
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TISSUE LOADING BAR GRAPH (TLBG)
The TLBG (Fig. 2a) represents tissue loading of nitrogen, showing your relative no decompression or decompression status. As your depth and elapsed dive time increase, seg­ments add to the TLBG, and as you ascend to shallower depths, they will begin to recede, indicating that additional no decompression time is allowed for multilevel diving.
The TLBG monitors 12 different nitrogen compartments simul­taneously and displays the one that is in control of your dive. It is divided into a green No Decompression (normal) zone, a yellow Caution zone (also No Decompression), and a red Decompression (danger) zone.
VARIABLE ASCENT RATE INDICATOR (VARI)
The VARI (Fig. 2b) provides a visual representation of ascent speed (i.e., an ascent speedometer).
• Green is a 'normal' rate, yellow a 'caution' rate, and red is 'Too Fast'.
• The segments of the VARI represent two sets of speeds which change at a reference depth of 60 feet (18 meters). Refer to the chart for segment values.
• At depths greater than 60 feet (18 meters), the VARI will flash as a warning when an ascent exceeds 60 fpm (18 mpm). At depths of 60 feet (18 meters) and shallower, it will flash if the ascent rate exceeds 30 fpm (9mpm).
VERSA
a
b
Fig. 2 - Bar Graphs
Deeper than 60 feet (18 m)
Segments Ascent Rate = Displayed FPM MPM 0 0-20 0 - 6 1 21-30 6.5-9 2 31-40 9.5-12 3 41-50 12.5-15 4 51-60 15.5-18 5 >60 >18
60 feet (18 m) & Shallower
Segments Ascent Rate = Displayed FPM MPM 0 0-10 0 - 3 1 11-15 3.5-4.5 2 16-20 5-6 3 21-25 6.5-7.5 4 26-30 8-9 5 >30 >9

Variable Ascent Rate Indicator

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a
b
Fig. 3 - Depth Displays
b
a
Fig. 4 - Time Displays
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INFORMATIONAL DISPLAYS

Each numeric and graphic display represents a unique piece of information. It is imperative that you understand the formats, ranges, and values of the information represented to avoid any pos­sible misunderstanding that could result in error.

Depth Displays

• During a dive, the Current Depth display (Fig. 3a), in-
dicates depths from 0 to 330 feet (99.9 meters) in 1 foot (.1 meter) increments.
• By pressing the Button, the Maximum Depth reached
during that dive will also be displayed (Fig. 3b).
• During a Decompression Dive, the required Ceiling Stop Depth is displayed in place of Maximum Depth which can be viewed by pressing the Button.
c

Time Displays

• The Main Time display located in the lower portion of the screen (Fig. 4a) is configured with large segments.
• A Secondary Time display is located in the center/ right portion of the display (Fig. 4b).
• Both displays are identified by clock icons (Fig. 4c).
Time displays are shown in hour:minute format (i.e., 1:45 represents one hour and
VERSA
forty five minutes, not 145 minutes!). The colon that separates hours and minutes blinks once per second when the display is indicating real time (e.g., Elapsed Dive Time), and is solid (non-blinking) when times are calculated projections (e.g., Time to Fly).

POWER SUPPLY

The Versa utilizes one (1) type CR 2450 Lithium 3 volt cell that should provide 300 hours of continuous, or 50 activation periods, of operation. If you conduct 1 dive each time the unit is activated, you should obtain approximately 50 dives. If you conduct 3 dives each time the unit is activated, you should obtain approximately 150 dives.

Low Battery Condition

Voltage level is checked upon activation and every 10 minutes during operation.
• If a Low Battery Condition exists when the unit is activated, it will perform a diagnos­tic check then the Battery icon will flash once per second for 5 seconds (Fig. 5) fol­lowed by shutdown of the unit.
• If the button is not pressed to activate the unit prior to a dive, and a Low Battery Condition exists, the Low Battery icon will appear flashing as a warning upon descent past 5 feet (1.5 m). No other information will be displayed.
• If the unit did not display the Low Battery icon 'prior to' entering the Dive Mode, and a Low Battery Condition oc­curs during the dive, the Low Battery icon appears after the dive when the unit enters Surface Mode. There will be sufficient battery power to maintain unit operation for the remainder of 'that dive'.
Fig. 5 - Low Battery Condition
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LCD DISPLAY
a. Tissue Loading Bar Graph
g
h
f
a
b. Variable Ascent Rate Indicator c. Icon - Low Battery Condition d. Icon - Maximum Depth e. Icon - Decompression Ceiling f. Icon - Log Mode g. Icon - Dive Number h. Icon - Depth i. Icon - Time j. Icon - Operating Mode k. Operating Button
e
b
i
10
d
j
c
k
VERSA
WARNING: Prior to diving with the Versa, you must also read and understand the Oceanic Dive Computer Safety and Reference Manual which pro­vides Important Warnings and Safety Recommen­dations as well as general product information.
ACTIVATION and SETUP
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ACTIVATION

To Activate the Versa press and release the Button.
Backup Activation (only if Water Activation is set ON)
As a backup, the Versa will also automatically activate by water contact. This is accom­plished by bridging the gap between contacts located on the Button stem and back of the case. The graphic H2O that will be displayed as an indication is described later.
• Upon activation, the unit will enter Diagnostic Mode (Fig. 6), displaying all segments of the LCD (as 8's), followed by dashes (- -), then a countdown from 9 to 0. Diagnos­tic Mode checks the display functions and battery voltage to ensure that everything is within tolerance and functioning properly.
• After manual activation, it will also check the ambient barometric pressure, and cali­brate its present depth as zero. At elevations of 2,000 feet (610 m) or higher, it will
recalibrate itself to measure depth in feet of fresh water instead of feet of sea water.
WARNING: If the unit is activated at elevations higher than 14,000 feet (4,267 meters), it will perform a diagnos­tic check followed by immediate shutdown.
If no dive is made within 2 hours after initial activation, the unit will automatically deactivate. If the wet contacts are still bridged, the unit will reactivate and display the
Fig. 6 - Diagnostic Mode
H2O graphic.
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SURFACE SEQUENCE

Immediately after completing its' Diagnostic check, the Versa will automatically scroll through the following Sequence --
• Time of Day (displayed for 3 seconds), then -
• Surface Mode (displayed for 3 seconds), then -
• Time to Fly (displayed for 3 seconds only after a dive is
made, see page 31), then -
• Pre Dive Planning Sequence (each depth/time is dis-
played for 3 seconds), then -
• The Surface Sequence repeats for 2 hours, or until a dive
is made.
• Log and Set Modes can be accessed during the Surface
Sequence with the Control Button. This is described later.

Time of Day and Surface Mode (F i g. 7 )

Displayed are -
• Dive Number ('0' if no dive made yet)
• Time of Day (for 3 seconds), then -
• Elapsed Surface Time (with flashing colon) and icon (for
3 seconds)
• Tissue Loading Bar Graph (only after a dive is made)
NOTE: If the wet contacts are bridged, the graphic 'H2O' will appear in place of the dive number '0' (Fig.
8). After the unit is rinsed and dried, '0' will replace 'H2O'.
VERSA
Fig. 7 - Time of Day then
Surface Mode
Fig. 8 - Surface Mode
(rinse and dry the Versa)
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Depth NDL feet (meters) hours:mins 30 (9 ) 4:20 (4:43) 40 (12) 2:17 (2:24) 50 (15) 1:21 (1:25) 60 (18) :57 (:59) 70 (21) :40 (:42) 80 (24) :30 (:32) 90 (27) :24 (:25) 100 (30) :19 (:20) 110 (33) :15 (:16) 120 (36) :13 (:13) 130 (39) :10 (:11) 140 (42) :09 (:09) 150 (45) :08 (:08) 160 (48) :07 (:07)
No Decompression Limits
(no dive made yet)
Fig. 9 - Pre Dive Planning Sequence
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Pre Dive Planning Sequence (PDPS) (Fig. 9)
The PDPS provides a sequence of theoretical dive times avail­able for depths ranging from 30 feet (9 meters) to 160 feet (48 meters) in 10 foot (3 meter) increments.
No decompression times are only displayed for depths where there is at least 3 minutes of theoretical dive time available at the depth, taking into account a descent rate of 120 feet (36 meters) per minute.
The PDPS should be reviewed prior to every dive to help you plan your dive as required to avoid exceeding no decom­pression limits. For repetitive dives, it indicates adjusted dive times that are available for the next dive, based on re­sidual nitrogen following the last dive and surface interval.
WARNING: The available dive times provided by the PDPS are only predictions. Depending on cylinder size and breathing gas consumption you may have less time available than indicated because of breath­ing gas quantity or other limitations.

SET MODE

After gaining access to Set Mode, settings can be made in sequence one after the other, or you can access a specific item that you want to set, bypassing others.
You can set:
• Units of Measure (Imperial or Metric)
• Hour Format (12 or 24)
• Time of Day (Hour and Minute)
• Water Activation (On or Off)
• External Access (this is for factory use only)
To Access Set Mode and enter Settings:
While the unit is scrolling through the Surface Sequence -
• Press and hold the Button for 2 seconds, release when SET
FEET (or M) appears with FEET (or M) flashing.
• HINT: To bypass a parameter that you do not
want to set, keep the Button depressed until the item you do want to set appears, then release it.
To change the setting for Units of Measure (Fig. 10) -
• Press the Button momentarily and release to toggle be-
tween FEET and M.
• Press and Hold the Button for 2 seconds to save the set-
ting, release when Hr and 12 (or 24) appear with 12 (or
24) flashing.
VERSA
Fig. 10 - Set Units of Measure
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