Oceanic ATOM 2.0 User manual

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Beginning with firmware revision 2E, ATOM Watch/Dive Computers are placed
in a Deep leep 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 T ime are updated as they normally would be. However,
they are not displayed. Upon waking the ATOM up, the correct Date and
Pacific T ime will be displayed and it will be ready to operate with full functions.
To wake the ATOM up from Deep leep mode, simultaneously depress the
upper/right ( ) and lower/left (A) buttons for 2 to 3 seconds until the display
comes full ON displaying the MAIN TIME screen, then release them.
NOTE: Once the ATOM is brought out of the Deep Sleep
mode, it can only be placed back in it by the factory
NOTICE
STORAGE and INITIAL ACTIVATION

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CONTENTS
WARRANTY, NOTICES, DECOMPRESSION MODEL ....................................................................................................7
FULL DISPLAY ................................................................................................................................................................. 8
INTRODUCTION AND GENERAL FEATURES AND DISPLAYS .................................................................................... 9
INTERACTIVE CONTROL CONSOLE ..................................................................................................................... 10
OPERATING MODE STRUCTURE ........................................................................................................................... 11
OPERATION AS A DIVE COMPUTER ...................................................................................................................... 12
PC INTERFACE ......................................................................................................................................................... 13
SYMBOLS AND ALPHA NUMERIC GRAPHICS ...................................................................................................... 13
AUDIBLE ALARM ...................................................................................................................................................... 1
BACKLIGHT .............................................................................................................................................................. 16
POWER SUPPLY ...................................................................................................................................................... 16
WATCH FEATURES AND DISPLAYS ............................................................................................................................ 19
LOCAL DEFAULT TIME ............................................................................................................................................ 20
MAIN TIME ................................................................................................................................................................. 21
SET MAIN TIME ......................................................................................................................................................... 22
ALTERNATE TIME ..................................................................................................................................................... 25
SET ALTERNATE TIME ............................................................................................................................................. 26
COUNTDOWN TIMER ............................................................................................................................................... 27
SET COUNTDOWN TIMER ...................................................................................................................................... 28
CHRONOGRAPH ...................................................................................................................................................... 29
DAILY ALARM ........................................................................................................................................................... 31
SET DAILY ALARM .................................................................................................................................................... 32
DIVE COMPUTER FEATURES AND DISPLAYS ........................................................................................................... 33
BAR GRAPH .............................................................................................................................................................. 3
ALPHA / NUMERIC DISPLAYS ................................................................................................................................ 36
Tank Pressure Displa .......................................................................................................................................... 36
Depth Displa s ...................................................................................................................................................... 36
Time and Date Displa s ....................................................................................................................................... 37
Temperature Displa ............................................................................................................................................. 38

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CONTENTS (continued)
DIVE COMPUTER SURFACE SEQUENCE AND OPERATING MODES ...................................................................... 39
SURFACE MODE ...................................................................................................................................................... 0
Normal Surface Main Displa ............................................................................................................................... 41
Normal Surface Main Button Operations ............................................................................................................. 43
ATOM Battery Status ..........................................................................................................................................
Transmitter Status .............................................................................................................................................. 5
Normal Surface Secondar Displa ..................................................................................................................... 45
Normal Surface Alternate Displa ........................................................................................................................ 46
NORMAL AND GAUGE SURFACE SET MODES .................................................................................................... 7
SET F GROUP (FO2) ................................................................................................................................................ 7
Set FO2 for NORM Nitrox Dives .......................................................................................................................... 48
Set FO2 GAS 1 ..................................................................................................................................................... 50
Set FO2 GAS 2 ..................................................................................................................................................... 51
Set FO2 GAS 3 ..................................................................................................................................................... 52
Set FO2 50% Default ........................................................................................................................................... 53
SET A GROUP (NORM/GAUG ALARMS) ................................................................................................................ 5
Set Audible Alarm ................................................................................................................................................. 55
Set Depth Alarm ................................................................................................................................................... 56
Set EDT (Elapsed Dive Time) Alarm ................................................................................................................... 57
Set TLBG (Tissue Loading Bar Graph) Alarm ...................................................................................................... 58
Set DTR (Dive Time Remaining) Alarm ................................................................................................................ 59
Set Turn Pressure Alarm (TMT1) ......................................................................................................................... 60
Set End Pressure Alarm ....................................................................................................................................... 61
Set PO2 Alarm ...................................................................................................................................................... 62
SET U GROUP (UTILITIES) ...................................................................................................................................... 63
Set Wet Activation ................................................................................................................................................ 64
Set Units of Measure ............................................................................................................................................ 65
Set NORM Safet Stop ......................................................................................................................................... 66
Set Conservative Factor ....................................................................................................................................... 67
Set Backlight Duration .......................................................................................................................................... 68
Set Sampling Rate ................................................................................................................................................ 69

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CONTENTS (continued)
Set TMT1 (Transmitter 1 Link Code) .................................................................................................................... 70
Set TMT (Transmitter) 2-3 Use ............................................................................................................................ 72
Set TMT2 (Transmitter 2 Link Code) ................................................................................................................... 73
Set TMT3 (Transmitter 3 Link Code) ................................................................................................................... 75
SERIAL NUMBER (ATOM) ........................................................................................................................................ 77
NORM (Normal Dive) PLAN MODE ......................................................................................................................... 78
FLY MODE ................................................................................................................................................................. 81
SAT MODE (NORM) .................................................................................................................................................. 82
NORM/GAUG LOG MODE ........................................................................................................................................ 83
HISTORY MODE (NORM/GAUG) ............................................................................................................................ 87
OVERVIEW OF DIVE MODE INFORMATION ............................................................................................................... 91
POSITIONING OF THE ATOM .................................................................................................................................. 93
Link Interruption Underwater ................................................................................................................................ 93
DIVE TIME REMAINING (DTR) ................................................................................................................................. 9
No Decompression Dive Time Remaining (NDC) ................................................................................................ 95
Ox gen Accumulation Time Remaining (OTR) .................................................................................................... 96
Air Time Remaining (ATR) .................................................................................................................................... 96
Air Time Remaining Alarm .................................................................................................................................... 97
VARIABLE ASCENT RATE ....................................................................................................................................... 98
ELAPSED DIVE TIME ............................................................................................................................................... 99
CONTROL OF DISPLAYS ......................................................................................................................................... 99
NORM TYPE DIVE MODES (AIR/NITROX) ................................................................................................................. 101
WET CONTACTS ..................................................................................................................................................... 102
NORM NO DECOMPRESSION DIVE MODE ......................................................................................................... 103
NORM Dive No Deco Safet Stop ..................................................................................................................... 106
DECOMPRESSION DIVE MODE ............................................................................................................................ 107
VIOLATION MODES ................................................................................................................................................ 111
HIGH PO2 ................................................................................................................................................................ 116
HIGH OXYGEN ACCUMULATION .......................................................................................................................... 117
SUMMARY OF WARNING AND ALARM MESSAGES .......................................................................................... 118

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CONTENTS (continued)
SWITCHING GAS MIXES AND BUDDY PRESSURE CHECK ....................................................................................119
SWITCHING GAS MIXES (NORM ONLY) .............................................................................................................. 120
BUDDY PRESSURE CHECK (NORM ONLY) ......................................................................................................... 125
NORM POST DIVE MODES ......................................................................................................................................... 129
TRANSITION PERIOD ............................................................................................................................................ 130
AFTER THE TRANSITION PERIOD ....................................................................................................................... 131
GAUGE OPERATING MODE ....................................................................................................................................... 133
GAUG SURFACE DISPLAYS .................................................................................................................................. 13
GAUG DIVE DISPLAYS .......................................................................................................................................... 135
FREE DIVE OPERATING MODE ................................................................................................................................. 137
FREE SURFACE DISPLAYS ................................................................................................................................... 138
FREE COUNTDOWN TIMER (CDT) ....................................................................................................................... 1 0
SET FREE CDT ....................................................................................................................................................... 1 2
SET FREE ALARMS (EDT, FDA) ............................................................................................................................ 1 3
FREE DIVE DISPLAYS ............................................................................................................................................ 1 8
REFERENCE ................................................................................................................................................................. 153
UPLOADING SETTINGS AND DOWNLOADING DATA ........................................................................................ 15
CARE AND CLEANING ........................................................................................................................................... 156
INSPECTIONS AND SERVICE ............................................................................................................................... 156
BATTERY REPLACEMENT .................................................................................................................................... 158
INSTALLING A TRANSMITTER ON A REGULATOR ............................................................................................ 16
TRANSMITTER COMPATIBILITY WITH NITROX .................................................................................................. 16
ALTITUDE SENSING AND ADJUSTMENT ............................................................................................................ 165
CHARTS OF NO DECOMPRESSION LIMITS AT ALTITUDE ................................................................................ 166
CHART OF OXYGEN EXPOSURE LIMITS ............................................................................................................ 167
SPECIFICATIONS ................................................................................................................................................... 168
INSPECTION/ SERVICE RECORD ......................................................................................................................... 17
OCEANIC WORLD WIDE ....................................................................................................................................... 175

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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, e copied, photocopied,
reproduced, translated, or reduced to any electronic medium or machine reada le form without prior consent in writing
from Oceanic / 2002 Design.
ATOM 2.0 Operating Manual, Doc. No. 12-2698
© 2002 Design, 2005
San Leandro, CA USA 94577
TRADEMARK, TRADE NAME, AND SERVICE MARK NOTICE
Oceanic, the Oceanic logotype, the Oceanic 'O' sym ol, ATOM, the ATOM 2.0 logo, Air Time Remaining (ATR), Diver
Replacea le 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 een issued, or applied for, to protect the following design features:
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 Seta le Display (U.S. Patent no. 5,845,235) is
owned y Suunto Oy (Finland).
DECOMPRESSION MODEL
The programs within the ATOM simulate the a sorption of nitrogen into the ody y using a mathematical model. This
model is merely a way to apply a limited set of data to a large range of experiences. The ATOM dive computer model
is ased upon the latest research and experiments in decompression theory. Still, using the ATOM, just s using
the U.S. N vy (or other) No Decompression T bles, is no gu r ntee of voiding 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 ody will react to a particular dive profile.

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ATOM 2.0 FULL LCD
Components:
a. Mode (M) Button
b. Select (S) Button
c. Light (L) Button
d. Advance (A) Button
e. LED Warning Light
f. Bar Graph
g. Icon - indicates O2BG
h. Icon - Ascend Arrow
i. S mbol - STOP TIME
DIVE TIME
j. S mbol - NITROX (Mode)
k. S mbol - FT or M (Depth)
l. S mbol - MAX
m. Icons - Tank 1, 2, 3
n. S mbol - FO2
o. S mbols - AIR TIME
TIME NDC
TIME O2
TIME TAT
TIME SURF
p. Icon - degrees (Temperature)
q. Icon - Dail Alarm, or -
Transmitter Link
r. S mbol - PSI or BAR (Pressure)
s. Icon - Descend Arrow
t. Icon - Low Batter
rb
c
d
e
t
s
g
h
j
k
l
q
o
m
i
Pay special attention to items marked
with this Warning symbol
p
a
f
n

9
WARNING: Prior to diving with the ATOM 2 0,
you must also read and understand the Oce-
anic Dive Computer Safety and Reference
Manual, Doc No 12-2262, which provides
Important Warnings and Safety Recommenda-
tions as well as general product information
INTRODUCTION
AND
GENERAL FEATURES AND DISPLAYS

10
INTRODUCTION
Welcome to OCEANIC and thank you for choosing the ATOM 2.0 !
It is extremely important that you read this Operating Manual in sequence and understand
it completely before attempting to use the ATOM 2.0 as a dive computer.
It is equally important that you read the Oceanic Dive Computer afety and Reference
Manual (Doc. No. 12-2262) provided with your ATOM 2.0. It contains information that
you must become familiar with prior to diving with your ATOM 2.0.
Remember that 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.
INTERACTIVE CONTROL CONSOLE
The Interactive Control Console consists of four Control Buttons that allow you to select
mode options and access specific information. They are also used to link the
Transmitter(s), enter ettings, activate the Backlight, and acknowledge the Audible Alarm.
Throughout this manual they will be referred to as the M, , L, and A buttons.
 Upper/Left - Mode (M) button
 Upper/Right - elect ( ) button
 Lower/Right - Light (L) button
 Lower/Left - Advance (A) button
M
A
S
L