Oceanic GEO 4.0 Manuel utilisateur

GEO 4.0 OPERATING MANUAL

GEO 4.0

DIVE COMPUTER

OPERATING MANUAL

GEO 4.0 OPERATING MANUAL

CONTENTS

NOTICES 4

GETTING STARTED 6

BASICS 7

ACTIVATION 7

STANDBY (POWER SAVING) MODE 7

BUTTONS 9

WATCH MODE 12

WATCH MAIN SCREEN 13

ALT 13

SHOW DUAL TIME 14

CDT (COUNTDOWN TIMER) 14

CHRONOGRAPH 15

DAILY ALARM 16

SET TIME MENU 16

1. DATE FORMAT 16

2. HOUR FORMAT 17

3. DEFAULT TIME 17

4. ALTERNATE TIME 17

5. TIME OF DAY 17

6. DATE 18

DIVE FEATURES 19

DTR (DIVE TIME REMAINING) 20

NO DECOMPRESSION 20

O2 MIN (OXYGEN TIME REMAINING) 20

BAR GRAPHS 20

VARI BAR GRAPH 21

TLBG (TISSUE LOADING BAR GRAPH) 21

DUAL ALGORITHM®21

CONSERVATIVE FACTOR 21

DEEP STOP 21

SAFETY STOP 22

LOW BATTERY WHILE ON THE SURFACE 22

LOW BATTERY DURING A DIVE 22

AUDIBLE/VISUAL ALARM 23

NORM SURFACE MODE 24

ON THE SURFACE BEFORE A DIVE 25

NORM STANDBY MODE 25

ALT 1 (LAST DIVE) 25

ALT 2 26

ALT 3 26

FLY/DESAT 26

PLAN 26

LOG 27

SET F (GAS MIX) 28

SET ALARMS 29

1. AUDIBLE ALARM 29

2. DEPTH ALARM 29

3. EDT (ELAPSED DIVE TIME) ALARM 29

4. TLBG (TISSUE LOADING BAR GRAPH) ALARM 30

5. DTR (DIVE TIME REMAINING) ALARM 30

SET UTILITIES 30

1. H2O ACTIVATION 31

2. UNITS (IMP/MET) 31

3. DEEP STOP 31

4. SAFETY STOP 32

5. ALGORITHM 32

6. CONSERVATIVE FACTOR 33

7. BLUETOOTH (BLUETOOTH COMMUNICATION) 33

8. GLO (BACKLIGHT) DURATION 33

9. SAMPLING RATE 34

SET MODE (OPERATION MODE) 34

HISTORY 34

SN (SERIAL NUMBER) 35

NORM DIVE MODE 36

INITIATING A DIVE 37

NO DECOMPRESSION DIVE MAIN 37

DIVE ALT 1 37

DIVE ALT 2 37

DEEP STOP PREVIEW 38

DEEP STOP MAIN 38

SAFETY STOP MAIN 38

SURFACING 39

DECOMPRESSION 40

DECOMPRESSION ENTRY 40

DECOMPRESSION STOP MAIN 40

CONDITIONAL VIOLATION (CV) 40

DELAYED VIOLATION 1 (DV 1) 41

DELAYED VIOLATION 2 (DV 2) 41

DELAYED VIOLATION 3 (DV 3) 41

VIOLATION GAUGE MODE DURING A DIVE 42

VIOLATION GAUGE MODE ON THE SURFACE 42

HIGH PO242

ALARM 42

PO2DURING DECOMPRESSION 42

HIGH O2SAT (OXYGEN SATURATION) 43

WARNING 43

ALARM 43

WARNING DURING DECOMPRESSION 43

ALARM DURING DECOMPRESSION 43

ALARM ON SURFACE 44

GAUGE MODE 45

ON THE SURFACE BEFORE A DIVE 46

GAUGE STANDBY MODE 46

INITIATING A DIVE 47

GAUGE DIVE MAIN 47

GAUGE DIVE ALT 1 47

GAUGE DIVE ALT 2 47

RUN TIMER 48

DELAYED VIOLATION 3 (DV3) 48

FREE MODE 49

FREE DIVE MODE DETAILS 50

ON THE SURFACE BEFORE A DIVE 51

FREE STANDBY MODE 51

GEO 4.0 OPERATING MANUAL

ALT 1 51

ALT 2 52

COUNTDOWN TIMER (CDT) 52

SET ALARMS 52

SET MODE (OPERATION MODE) 53

INITIATING A DIVE 53

1. ELAPSED DIVE TIME ALARM 53

2. DEPTH ALARMS 1-3 53

FREE DIVE MAIN 54

FREE DIVE ALT 1 54

FREE DIVE ALT 2 54

HIGH NITROGEN ALARMS 54

REFERENCE 55

UPLOADING/DOWNLOADING DATA 56

CARE AND CLEANING 56

INSPECTIONS AND SERVICE 56

BATTERY REPLACEMENT 56

ALTITUDE SENSING AND ADJUSTMENT 58

TECHNICAL DATA 59

GEO 4.0 OPERATING MANUAL

LIMITED TWO-YEAR WARRANTY

For details, refer to the Product Warranty Registration Card provided. Register on line at www.OceanicWorldwide.com

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 either Oceanic or Pelagic.

Geo 4.0 Operating Manual, Doc. No. 12-5670

San Leandro, CA USA 94577

TRADEMARK, TRADE NAME, AND SERVICE MARK NOTICE

Oceanic, the Oceanic logo type, Geo 4.0, and the Geo 4.0 logo are registered and unregistered trademarks, trade names, and service marks of

Oceanic. The Graphic Diver Interface, Tissue Loading Bar Graph (TLBG), Pre-Dive Planning Sequence (PDPS), OceanLog, and Dual Algorithm are

all registered and unregistered trademarks, trade names, and service marks of Pelagic. All rights are reserved.

PATENT NOTICE

U.S. patents have been issued to protect design features of our products. The list of patents issued and pending are available at dive-patent.com.

DECOMPRESSION MODEL

The programs within the Geo 4.0 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 Geo 4.0 dive computer model is based upon the latest research and experiments

in decompression theory. Still, using the Geo 4.0, 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 prole.

NOTICES

GEO 4.0 OPERATING MANUAL

Welcome

OCEANIC

and

THANK YOU

for choosing the

Geo 4.0

GEO 4.0 OPERATING MANUAL

GETTING STARTED

GEO 4.0 OPERATING MANUAL

BASICS

Welcome to your new Geo 4.0. The Geo 4.0 is an easy to use dive computer utilizing a four button interface. Divers may choose between four

modes of functionality consisting of Watch, Dive, Gauge, and Free Mode. Though the Geo 4.0 is easy to use, you will get the most out of your new

Geo 4.0 if you take some time to familiarize yourself with its displays and operation. Information has been organized into easy to follow sections to

aid you in learning all you need to know. There is also a glossary at the end of this guide for any terms that may sound unfamiliar.

ACTIVATION

Geo 4.0 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 into service.

In this mode, Date and Time are updated as they normally would be. However, they are not displayed. Upon waking the Geo 4.0 up, the correct

Date and USA Pacic Time will be displayed and it will be ready to operate with full functions.

To wake the Geo 4.0 up from Deep Sleep mode, simultaneously depress the upper/right (SELECT) and lower/left (ADV) buttons for 3 seconds until

the display comes on displaying the Watch Main Time screen, then release them.

NOTE: Once the Geo 4.0 is brought out of the Deep Sleep mode, it can only be placed back into it by the factory.

STANDBY (POWER SAVING) MODE

The Geo 4 shall enter Standby mode 10 minutes after Norm, Gauge, or Free Surface Modes have been activated (or 10 minutes after the post dive

transition period has ended) and no button presses or dives have been initiated.

NOTE: Bluetooth function shuts down during Standby Mode to save battery life.

GEO 4.0 OPERATING MANUAL

DISPLAY ICONS

1 Tissue Loading Bar Graph

2 Conservative Factor

3 Daily Alarm Set

4 Nitrox

5 Time ID

6 Logbook

7 Surface

8 Depth ID (units)

9 Time ID

10 Variable Ascent Rate

11 Descend, Ascend, or Stop

12 Dive Time or #

13 Fraction of Oxygen

14 Low Battery

15 Gas #

16 Value is Max Depth

17 Bluetooth on

18 Deep Stop

19 Temperature

20 Partial Pressure of Oxygen

GEO 4.0 OPERATING MANUAL

BUTTONS

The Geo 4.0 utilizes 4 control buttons called the MODE, SELECT, ADV. (Advance) and, LIGHT buttons. They allow you

to select mode options and access specic information. They are also used to enter settings, activate the backlight, and

acknowledge the audible alarm.

Pressing different combinations of these buttons will navigate through different menus and options of the Geo 4.0. The

symbols in the table below will illustrate how to proceed through the menus.

SYMBOL MEANING

PRESS BUTTON LESS THAN 2 SECONDS

HOLD BUTTON GREATER THAN 2 SECONDS

SELECT

ADV.

LIGHT

MODE

GEO 4.0 OPERATING MANUAL

BUTTON FUNCTIONS

ACTION FUNCTION

SELECT

ADV.

LIGHT

MODE

•to move backward through the Main Menu

•to decrease a setting

SELECT

ADV.

LIGHT

MODE

•to select/save an option or setting

SELECT

ADV.

LIGHT

MODE

•to access Alt screens

•to advance through selections

•to toggle or change setpoints

•to increase a setting

SELECT

ADV.

LIGHT

MODE

•to activate the backlight

SELECT

ADV.

LIGHT

MODE

•to switch between Watch Mode and the active diving

mode, while on the Main screen

•to exit a menu directly to the Main screen

SELECT

ADV.

LIGHT

MODE

•to exit or step back to the previous screen or setting

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