Suunto Favor Operation Manual

This instruction manual is copyrighted and all rights are reserved. It may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to any media without prior written consent from SUUNTO.

SUUNTO, FAVOR, FAVOR LUX, FAVOR LUX S, FUSION, FUSION LUX S, OCTOPUS and their logos are all re gistered or unregistered trademarks of SUUNTO. All rights are reserved.

The CE mark is used to mark conformity with the European Union EMC directive 89/336/EEC. The SUUNTO dive instruments fulfill all the required EU directives.

ISO 9001

SUUNTO Oyj's Quality Assurance System is certified by Det Norske Veritas to be according to the ISO 9001 in all SUUNTO Oyj's operations (Quality Certificate No. 96-HEL-AQ-220).

SUUNTO Oyj does not assume any responsibility for losses or claims by third parties, w hich may arise through the use of this device.

Due to continuous product development the dive computer is subject to change without notice.

This instruction manual applies to FAVOR/LUX/LUX S, FUSION/LUX S and OCTOPUS II dive computers. Extra features and differences in operation are noted separately.

PLEASE NOTE: In some countries FAVOR LUX S dive computer is called FUSION or FUSION LUX S.

DEFINITION OF WARNINGS, CAUTIONS AND NOTES

Throughout this manual, special references are made when deemed important. Three classifications are used to separate these references by their order of importance.

WARNING - is used in connection with a procedure or situation that may result in serious injury or death. CAUTION - is used in connection with a procedure or situation that will result in damage to the product.

NOTE - is used to emphasize important information.

WARNING!

READ THIS MANU AL! Carefully read this instruction manual in its entirety, including Section 1, “For Your Safety”. Make sure that you fully understand the use, displays and limitations of this dive computer. Any confusion resulting from improper use of

this device may cause diver to commit errors that may lead to serious injury or death.

WARNING!

ONL Y DIVERS TRAINED IN THE PROPER USE OF SCUBA EQUIPMENT SHOULD USE THIS DIVE COMPUTER! No dive computer can replace the need for proper dive training. Insufficient or improper training may cause diver to commit errors that

may lead to serious injury or death.

WARNING!

PERFORM PRECHECKS! Always check this instrument before diving in order to ensure that all LCD segments are completely displayed, that the dive computer has not r un out of battery power, and that the personal and altitude adjustment mode is correct.

WARNING!

USE BACK-UP INSTRUMENTS! Make certain that you use back-up instrumentation including a depth gauge, submersible pressure gauge, timer or watch, and have access to decompression tables whenever diving with this instrument.

WARNING!

NO DIVE COMPUTER WILL PREVENT THE POSSIBILITY OF DECOMPRESSION SICKNESS (DCS)! All divers must understand and accept that there is no procedure or dive computer that will totally prevent the possibility of a decompres-

sion accident. For example, the individual physiological make up can var y within an individual from day to day. The dive computer cannot account for these variations. As an added measure of safety, you should consult a physician regarding your fitness before diving. Decompression sickness can cause serious injury or death.

WARNING!

NOT FOR PROFESSIONAL USE! SUUNTO dive computers are intended for recreational use only. The demands of commercial or professional diving often expose the diver to depths and prolonged exposures including multiday exposures that

tend to increase the risk of decompression sickness. Therefore, Suunto specifically recommends that this instrument is not used for commercial or other severe diving activity.

TABLE OF CONTENTS

QUICK REFERENCE GUIDE ...................................................................................................... 2

INTRODUCTION .......................................................................................................................... 8

1. FOR YOUR SAFETY................................................................................................................ 10

2. GETTING ACQ UAINTED WITH THE INSTRUMENT ........................................................ 17

2.1 WATER CONTACTS ....................................................................................................................................... 17

2.2 ACT IVATION ................................................................................................................................................... 18

3. DIVI N G WITH T H E D I V E C O M P U T E R ............................................................................... 19

3.1 USE OF WATER CONTACTS ........................................................................................................................ 19

3.2 LUX/LUX S MODELS: TAP SWITCH AND ELECTROLUMINESCENT BACKLIGHT ...................... 21

3.3 B E F O R E D I V ING............................................................................................................................................ 22

3.3.1 Activation, Prechecks and Battery Warning.............................................................................................. 22

3.3.2 Dive Planning............................................................................................................................................ 25

3.3.3 Calendar Clock Function........................................................................................................................... 26

3.4 D I V I N G ............................................................................................................................................................ 27

3.4.1 Basic Dive Data ......................................................................................................................................... 27

3.4.2 Reverse No-Decompression Time Bar Graph ........................................................................................... 28

3.4.3 Ascent Rate Indicator................................................................................................................................ 29

3.4.4 Alarms ....................................................................................................................................................... 31

3.4.5 Decompression Dives ................................................................................................................................ 32

3.5 AT SURF ACE ................................................................................................................................................... 36

3.5.1 Surface Interval ......................................................................................................................................... 36

3.5.2 Flying After Diving................................................................................................................................... 38

3.6 PERSONAL ADJUSTMENT AND HIGH ALTITUDE DIVES................................................................... 39

3.7 ERROR CONDITIONS ................................................................................................................................... 41

4. MENU BASED M O D E S ........................................................................................................... 43

4.1 LOGBOOK MEMORY .................................................................................................................................... 44

4.2 D I V E H I S TORY ME M O RY ............................................................................................................................ 47

4.3 PERSONAL/ALTITUDE ADJUSTMENT SETTING................................................................................... 48

4.4 SETTING TIME AND DATE .......................................................................................................................... 50

5. CARE AND MAIN TENANCE ................................................................................................. 52

5.1 MAINTENANCE............................................................................................................................................. 53

5.2 BATTERY COMPARTMENT INSPECTION ................................................................................................ 54

6. TECHNICAL DESCRIPTION ................................................................................................ 55

6.1 OPERATING PRINCIPLES ............................................................................................................................ 55

6.2 TECHNICAL SPECIFICA TION..................................................................................................................... 61

7. WARRANTY ............................................................................................................................. 63

8. GLOS S A RY ............................................................................................................................... 64

INTRODUCTION

Congratulations on your choice of the SUUNTO Dive Computer. It is a compact and sophisticated dive instrument that will give you years of trouble free and joyful diving. The dive computer

will provide you with important information that you will need during, between, and after your dives.

KEY FEATURES

The dive computer monitors and reports vital information such as your dive time, current depth, maximum depth, no-decompression time and ascent rate.

The dive computer will also give you information, if through carelessness or emergency you are forced to exceed the nodecompression limits for any dive.

The instrument has a built-in calendar and clock. It features versatile logbook memory capabilities and long-term historical data. The instrument can be adjusted for diving at different altitudes or to add an extra level of conservativeness if desired.

The screen is protected against scratches and damage by a replaceable shield. The dive computer is available either as a wrist unit with an optional protective boot or mounted in two gauge or three gauge

console or in a hose mounted boot. The modular construction allows for the separate compass module to be attached to the two gauge console at a later stage.

METRIC AND IMPERIAL UNITS

All examples in this manual are shown in metric units, including meters and °C. The corresponding imperial units are shown in brackets. The instrument is also available with imperial units, i.e. feet and °F.

WARNING!

VERIFY THAT THE UNITS OF MEASURE, WHETHER METRIC OR IMPERIAL, ARE CORRECT BEFORE STAR TING T O DIVE! Any confusion resulting from improper selection of units may cause the diver to commit errors that may lead to

serious injury.

1. FOR YOUR SAFETY

Always remember that THE DIVER IS RESPONSIBLE FOR HIS OR HER OWN SAFETY! When used properly this div e computer is an outstanding tool for assisting properly trained , certified divers in planning and executing

standard and multi-level sport dives within the described no-decompression limits. It is NOT A SUBSTITUTE FOR CERTIFIED SCUBA INSTRUCTION including training in the principles of decompression.

DO NOT attempt to use this dive computer without reading this entire Instruction Manual. If you have any questions about the manual or the instrument itself, contact your Suunto dealer before diving with the dive computer.

BACK-UP INSTRUMENTS

WARNING!

SHARING THE DIVE COMPUTER

WARNING!

THE DIVE COMPUTER SHOULD NEVER BE TRADED OR SHARED BETWEEN USERS WHILE IT IS IN OPERA TION! Its information will not apply to someone who has not been wearing it throughout a dive or sequence of repetitive dives. Its

dive profiles must match that of the user. If it is left on the surface during any dive, it will giv e inaccurate information for subsequent dives.

No dive computer can tak e into account dives made without the computer. Thus any diving activity 48 hours prior to initial use of the computer may give misleading information and must be avoided.

PERSONAL/HIGH ALTITUDE ADJUSTMENT

More information about this is given in Section 3.6, “Personal Adjustment and High Altitude Dives”.

WARNING!

SET THE CORRECT PERSONAL/ALTITUDE ADJUSTMENT MODE! When diving at altitudes greater than 700 m [2300 ft] the personal/altitude adjustment feature must be correctly selected in order for the computer to calculate no-decompression

status. The di ver should also use this option to make the calculation more conservative, whenever it is believed that f actors w hich tend to increase the possibility of decompression sickness exist (see Section 3.6). Failure to properly select the personal/altitude

adjustment mode correctly will result in erroneous data and can greatly increase the risk of decompression sickness.

WARNING!

THE INSTR UMENT IS NOT INTENDED FOR USE AT AL TITUDES GREATER THAN 2400 m [8000 ft]! Diving at altitudes above this limit may significantly increase the risk of decompression sickness.

When diving at higher altitudes (above 700 m / 2300 ft), it is essential that the entered altitude mode, i.e. maximum altitude limit of the dive computer, exceeds or is equal to the altitude of the dive site. The altitude mode indicator must show either A1 or A2, depending on the altitude. More information about this is given in Section 3.6, “Personal Adjustment and High Altitude Dives”.

DECOMPRESSION DIVES

WARNING!

DO NOT USE THIS INSTRUMENT TO CONDUCT DECOMPRESSION DIVES! Suunto does not recommend this instrument to be used to conduct decompression dives. However, if through carelessness or emer gency a diver is forced to exceed

the no-decompression limits on a dive, the instrument will provide decompression infor mation required for ascent. After this the dive computer will continue to provide subsequent interval and repetitive dive information.

EMERGENCY ASCENTS

In the unlikely event that the instrument malfunctions during a dive, follow the emergency procedures provided by your certified dive training agency or, alternativel y, immediately ascend at a rate slower than 10 m/min [33 ft/min] to a depth between

3 and 6 meters [10 to 20 ft] and stay there as long as your air supply will safely allow.

HIGHER RISK DIVE PROFILES

The user must understand that all decompression devices (decompression tables and/or dive computers) are based on mathematical models and that many experts are currently concerned that these models may not under certain conditions adequately describe the physiological phenomena. These conditions are presently identified as dives which incorporate the

following (Fig. 1.1):

• SAWTOOTH PROFILES where the diver alternates between greater and shallower depths repeatedly throughout the dive.

• REVERSE PROFILES where the diver spends most of the dive at shallow depths and then descends to the maximum depth shortly before surfacing.

• CONSECUTIVE DIVES where the diver performs repetitive dives to approximately the same maximum depth with only short surface intervals between dives. The risk of decompres sion sickness increases when depth and the number of repetitive dives

increase and when the surface intervals are decreased.

• MULTIDAY DIVES repetitive dives performed for several consecutive days.

• DECOMPRESSION DIVES any dive during which the no-decompression limit has been exceeded or the diver is advised by the computer that he may not return directly to the surface.

WARNING!

DIVE PRACTICES WHICH INCLUDE THE ABOVE DESCRIBED “HIGHER RISK DIVE PR OFILES” ARE BELIEVED T O INCREASE THE RISK OF DECOMPRESSION SICKNESS AND AS SUCH CONSIDERED POTENTIALLY DANGER OUS

AND SHOULD BE AVOIDED EVEN IF THEY CONFORM TO THE MATHEMATICAL MODEL!

WARNING!

DO NOT USE THE DIVE COMPUTER WITH NITROX MIX! The mathematical tissue calculation model of the instrument has been designed for use with standard breathing air only (approximately 21% oxygen and 79% nitrogen by volume).

Therefore, the dive computer must not be used for diving with “Nitrox” or other mixed gases.

Sawtooth profiles

time

depth

Fig. 1.1 HIGHER RISK DIVE PROFILES

Reverse profiles

depth

time

Consecutive dives Multiday dives

time

depth

time

depth

Fig. 1.2 RECOMMENDED PROFILE

DIVE COMPUTER LIMITATIONS

While the instrument is based on cur rent decompression research and technology, the user/ diver must realize that the computer cannot monitor the actual physiological functions of an individual diver. All decompression schedules currently known to the authors, including the U.S. Navy Tables, are based on a theoretical mathematical model which is intended to ser ve

as a guide to reduce the probability of decompression sickness. The mathematical model uses an ascent rate of 10 m/min [33 ft/min]. Therefore it is critical that a proper ascent rate is always

used. The reader/diver is forewarned that individual physiological differences, severe environmental conditions and predive activi-

ties, especially those which tend to increase dehydration, may increase the risk of decompression sickness. As a safety precaution Suunto recommends that divers using this instrument should maintain no less than 10 minutes no-

decompression time remaining at all times during the dive. This is especially important for divers in poor physical condition, in cold water or other arduous conditions.

Historically divers have been advised to always include a margin of safety in their diving activities. Suunto supports these practices and strongly recommends that the diver make the deepest portion of the dive near the beginning of the dive and

gradually progress into shallower depth, allowing time for a 3 to 5 minutes “safety stop” at a depth range of 3 to 6 meters (10 to 20 ft). This is believed to be effective in further reducing the risk of decompression sickness.

Furthermore, the reader/diver is advised that any dive carries some risk of decompression sickness and neither the authors, nor SUUNTO Oyj will assume any responsibility or liability for accidents or injuries which might occur for any reason.

2. GETTING ACQUAINTED WITH THE DIVE COMPUTER

WARNING!

READ AND UNDERST AND THE ENTIRE OWNER’S MANUAL BEFORE DIVING! Failure to complete this step may result in serious personal injur y.

The purpose of this section is to provide the user with initial infor mation to preview the operation of the computer. Since this information is limited, it is imperative that you read and understand the entire owner’s manual before attempting to dive.

2.1 WATER CONTACTS

The dive computer has three water contacts on the face of the instrument:

• COM: common contact

• PLAN/ON: activation and dive planning contact

• TIME/MODE: time display and mode selection contact

On the surface the instrument is operated by simultaneously touching the COM contact and one or two of the other contacts. When doing this, your finger tips should be wet or moist to establish the necessary electric contact. When submerged these

contacts are automatically connected by the conductivity of the water.

COM

A S

MAX

C R A T

CEILING

SURF TIME

MAX

LOG HIS ALT SET PLAN

ASC TIME

A0 A1

TIME

MODE

NO DEC TIME

DIVE

PLAN

TIME

Fig. 2.1 ACTIVATION

Touch the PLAN/ON and COM contacts with moistened fingers.

A S

MAX

C R

A T E

SURF TIME

LOG HIS ALT SET PLAN

DIVE TIME

Fig. 2.2 READY DISPLAY

Fig. 2.3 BATTERY WARNING

DIVE TIME

The battery symbol indicates that the battery is too low for diving.

ALT SET PLAN

2.2 ACTIVATION

The calendar clock is always shown on the display, when the dive computer is deactivated. In this mode the power consumption is minimal.

The instrument is activated by touching the PLAN/ON and COM contacts (Fig 2.1). The f irst display, the STARTUP, shows all av ailable elements and immediately after this

the battery power indicator. A few seconds later the READY display will appear, showing zero values (Fig. 2.2).

At this time, perform a precheck making sure that the dive computer operates correctly, that the low battery indicator is not on and that the personal/altitude adjustment

setting is correct. If the battery symbol is displayed the dive computer should not be used (Fig. 2.3).

3. DIVING WITH THE DIVE COMPUTER

This section contains instructions on how to operate the dive computer and interpret its displays. Each display has been carefully designed to provide important information

you will need to plan your dive or dive series. You will find that the ínstrument is easy to use and read. Each display shows only the data

relevant to that specific di ving situation. For example, w hile you are on a dive, surface interval data is irrelevant and therefore not shown. On the other hand, while you are on the

surface after a div e, remaining no-decompression time for that di ve is irrelevant and therefore replaced with information for your next dive.

3.1 USE OF WATER CONTACTS

As described in Section 2.1, “Water Contacts”, the dive computer is controlled with the COM (common), PLAN/ON, and TIME/MODE contacts (Fig 3.1), as follows:

Activation: touch the PLAN/ON and COM contacts. Dive planning: once the instrument has been activated, touch

the PLAN/ON and COM contacts.

Clock: once the instrument has been activated, touch the

TIME/MODE and COM contacts for two seconds. The time is then displayed for four seconds.

COM

A S C R A T E

LOG HIS ALT SET PLAN

A S C R A T E

LOG HIS ALT SET PLAN

A S C R A T E

LOG HIS ALT SET PLAN

TIME MODE

PLAN ON

TIME MODE

PLAN ON

TIME MODE

PLAN ON

Fig. 3.1 USING THE WATER CONTACTS

a) Activation and dive planning b) Time display and menu based modes c) Exit the modes

When the TIME/MODE and COM contacts are touched for over three seconds, the display will start to scroll through the follo wing modes. Lift your fingers when the desired mode is displayed:

Logbook memory: at LOG the logbook memory is accessed. Dive history memory: at HIS the history memory is accessed.

Personal/altitude adjustment setting: at Alt the personal and/or altitude adjustment can be set. Time setting: at Set the time and date can be adjusted. Return: you can at any time exit the above modes by touching all three contacts at the

same time. First make contact between the PLAN/ON and TIME/MODE contacts, e.g. by covering both contacts with your right thumb. Without

lifting your right thumb, touch the COM contact with your left thumb. Alternatively, you can exit the modes simply by submerging the dive computer in water.

You may sometimes encounter problems in using the contacts, or the instrument may activate on its own. The reason for this is probably contamination or invisible marine growth that may create an unwanted electric current between the water contacts.

It is therefore impor tant that the dive computer be carefully washed in fresh w ater after the day’s diving is completed. The contacts can be cleaned with a soft pencil eraser.

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