Suunto Favor User Manual
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Suunto Favor User Manual

Dive computer
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  • Page 3 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, which may arise through the use of this device.

  • Page 4: For Your Safety

    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.
  • Page 5 Decompression sickness can cause serious injury or death. NOT FOR PROFESSIONAL USE! SUUNTO dive computers are intended for recreational use only. The demands of commer- cial or professional diving often expose the diver to depths and prolonged exposures including multiday exposures that tend to increase the risk of decompression sickness.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS QUICK REFERENCE GUIDE ... INTRODUCTION ... 1. FOR YOUR SAFETY ... 2. GETTING ACQUAINTED WITH THE INSTRUMENT ... 2.1 WATER CONTACTS ... 2.2 ACTIVATION ... 3. DIVING WITH THE DIVE COMPUTER ... 3.1 USE OF WATER CONTACTS ... 3.2 LUX/LUX S MODELS: TAP SWITCH AND ELECTROLUMINESCENT BACKLIGHT ...
  • Page 7 3.5 AT SURFACE ... 3.5.1 Surface Interval ... 3.5.2 Flying After Diving ... 3.6 PERSONAL ADJUSTMENT AND HIGH ALTITUDE DIVES ... 3.7 ERROR CONDITIONS ... 4. MENU BASED MODES ... 4.1 LOGBOOK MEMORY ... 4.2 DIVE HISTORY MEMORY ... 4.3 PERSONAL/ALTITUDE ADJUSTMENT SETTING... 4.4 SETTING TIME AND DATE ...
  • Page 8 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.
  • Page 9 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. VERIFY THAT THE UNITS OF MEASURE, WHETHER METRIC OR IMPERIAL, ARE CORRECT BEFORE STARTING TO DIVE! Any confusion resulting from improper selection of units may cause the diver to commit errors that may lead to serious injury.
  • Page 10 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. USE BACK-UP INSTRUMENTS! Make certain that you use back-up instrumentation including a depth gauge, submersible...
  • Page 11 THE DIVE COMPUTER SHOULD NEVER BE TRADED OR SHARED BETWEEN USERS WHILE IT IS IN OPERATION! 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 give inaccurate information for subsequent dives.
  • Page 12 More information about this is given in Section 3.6, “Personal Adjustment and High Altitude Dives”. 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.
  • Page 13 DO NOT USE THIS INSTRUMENT TO CONDUCT DECOMPRESSION DIVES! Suunto does not recommend this instru- ment to be used to conduct decompression dives. However, if through carelessness or emergency a diver is forced to exceed the no-decompression limits on a dive, the instrument will provide decompression information required for ascent. After this the dive computer will continue to provide subsequent interval and repetitive dive information.
  • Page 14 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 concer ned 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.
  • Page 15 DIVE PRACTICES WHICH INCLUDE THE ABOVE DESCRIBED “HIGHER RISK DIVE PROFILES” ARE BELIEVED TO INCREASE THE RISK OF DECOMPRESSION SICKNESS AND AS SUCH CONSIDERED POTENTIALL Y DANGEROUS AND SHOULD BE AVOIDED EVEN IF THEY CONFORM TO THE MATHEMATICAL MODEL! 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).
  • Page 16 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.

  • Page 17: Water Contacts

    READ AND UNDERSTAND THE ENTIRE OWNER’S MANUAL BEFORE DIVING! Failure to complete this step may result in serious personal injury. The purpose of this section is to provide the user with initial information 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.
  • Page 18 CEILING ASC TIME TIME MODE SURF TIME NO DEC TIME DIVE DIVE PLAN TIME PLAN Fig. 2.1 ACTIV ATION Touch the PLAN/ON and COM contacts with moistened fingers. SURF TIME DIVE TIME PLAN Fig. 2.2 READY DISPLAY Fig. 2.3 BATTERY WARNING DIVE TIME The battery symbol indicates that the battery...
  • Page 19 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 diving situation.
  • Page 20 When the TIME/MODE and COM contacts are touched for over three seconds, the display will start to scroll through the following modes. Lift your fingers when the desired mode is displayed: Logbook memory: Dive history memory: Personal/altitude adjustment setting: Time setting: Return: You may sometimes encounter problems in using the contacts, or the instrument may activate on its own.
  • Page 21 The tap switch is used to activate the electroluminescent backlight. The switch is used by pressing or tapping the movement sensitive area with your finger. This area is on the face of the instrument between the ON/PLAN and TIME/MODE water contacts marked with a “¤...
  • Page 22 CEILING ASC TIME SURF TIME NO DEC TIME DIVE DIVE TIME PLAN Fig. 3.3 STARTUP I All segments shown. PLAN PLAN PLAN PLAN PLAN Fig. 3.4 STARTUP II Battery power indicator. When two or less bar graph segments are shown the computer should not be used for diving.
  • Page 23 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 sta- tus. The diver should also use this option to make the calculations more conserva- tive, whenever it is believed that factors which tend to increase the possibility of decompression sickness exist (see Section 3.6).
  • Page 24 The instrument has a unique visual Battery Power Indicator designed to give you an advance notice of impending need to change the battery. The Battery Power Indicator will always be seen during activation. The following table 3.1 shows the various warning levels (see also Fig.
  • Page 25 After activation the Low Battery Warning is indicated by the battery symbol. If the battery symbol is displayed in the surface mode or if the display is faded or weak, the dive computer should not be used (Fig. 3.5). It indicates that the battery is too low to operate the instrument.
  • Page 26 NO DEC TIME DIVE DIVE TIME PLAN Fig. 3.7 DIVE PLANNING The no-decompression time limit at 30.0 m [100 ft] is decreased to 5 minutes in A1 mode after the third dive of the series. PLAN Fig. 3.8 TIME DISPLAY The time is 10:30 [in case of imperial unit, A for a.m.
  • Page 27 The dive computer will remain in the SURFACE mode at depths less than 1.2 m [4 ft] (first generation computers 1.8 m [6 ft]). At depths greater than 1.2 m (1.8 m first generation computers) the instrument will go into the DIVE mode. Each piece of information on the display is clearly marked (Fig.
  • Page 28 60 minutes, the first bar graph segment appears. As your body absorbs more nitrogen, more segments start to appear. As a safety precaution Suunto recommends that divers using the dive computer should maintain the no-decompression bar graph within the green zone.
  • Page 29 The ascent rate is shown graphically with a pointer in the upper left corner, next to the notation ASC RATE, as follows: Ascent rate indicator Ascent speed Below 5 m/min No segments [16 ft/min] 5 - 7 m/min Segment one [16 - 23 ft/min] 7 - 9 m/min Segment two...
  • Page 30 MAINS ACTIVATED! Violation of the maximum ascent rate may invalidate the calculations for the next dive. NOTE: SUUNTO highly recommends a safety stop at the end of every dive in the range of 3 m - 6 m [10 ft - 20 ft] for 3 - 5...
  • Page 31 The standard and LUX models feature visual alarms, and the LUX S visual as well as audible alarms, to alert you when you are approaching dangerous situations. Potential danger situations during a dive, occurs when: • the no-decompression dive tur ns into a decompression dive. One arrow pointing upwards and the ascend warning CEILING/ASC TIME will appear (Fig.
  • Page 32 (d). The ceiling is at 3 m [10 ft] (b). 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 emergency a diver is forced to exceed the no-decompression limits on a dive, the dive computer will provide decompression information required for ascent.
  • Page 33 The ascent time (ASC TIME) is the minimum amount of minutes needed to reach the surface in a decompression dive. It includes: The time needed to ascend to the ceiling at an ascent rate of 10 m/min [33 ft/min] plus The time needed at the ceiling.
  • Page 34 In this case it will be more manageable to maintain an additional distance below to the ceiling, to make sure that the waves do not lift you above the ceiling. SUUNTO recommends that decompression takes place deeper than 4 m [13 ft], even if the indi- cated ceiling is shallower.
  • Page 35 If you ascend above the ceiling, a downward pointing arrow will appear (Fig 3.17). In addition a blinking error warning Er reminds you that you have only three minutes to correct the situation. You must immediately descend to or below the ceiling. If you continue to violate the decompression requirements, the dive computer goes into a permanent ERROR MODE.
  • Page 36 SURF TIME DIVE TIME PLAN Fig. 3.19 SURFACE MODE AFTER A DIVE, DISPLAY I You have surf aced with the SLOW warning on (d) 35 minutes ago (b) from a 46 minute dive (f) that reached a maximum depth of 29.8 m [98 ft] (a).
  • Page 37 • The present depth in meters [ft] (Fig. 3.20, a). • The desaturation/ no-flying time in hours and minutes is shown next to the non-blinking airplane in the center window of the display (Fig. 3.20, b). If you start a new dive after less than 10 minutes at the surface, the instrument interprets this as a continuation of the previous dive.
  • Page 38 Divers who plan to make daily, multiple dives for several days, or make dives that require decompression stops, should take special precautions and wait for an extended interval beyond 12 hours before flight. Suunto recommends that flying be avoided until both the DAN guidelines and the dive computer wait to fly conditions are satisfied.
  • Page 39 The instrument can be adjusted for increasing the conservatism of the mathematical model or for diving at altitude. 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.
  • Page 40 When programming the instr ument for the correct altitude, the diver needs to select the correct altitude mode according to Table 3.2. As a result the dive computer adjusts its mathematical model according to the entered altitude, giving shorter no- decompression times at higher altitudes (Tables 6.1 and 6.2).
  • Page 41 A1 or A2). The no-decompression limits are then shortened accordingly (Tables 6.1 and 6.2). DO NOT USE THIS INSTRUMENT TO CONDUCT DECOMPRESSION DIVES! Suunto does not recommend this instru- ment to be used to conduct decompression dives. However, if through carelessness or emergency a diver is forced to exceed the no-decompression limits on a dive, the instrument will provide decompression information required for ascent.
  • Page 42 The most common ERROR MODE results from omitted decompression, when the diver stays above the ceiling for more than three minutes. During this three-minute period the Er warning will blink alternating with the CEILING/ASC TIME display. The instrument will continue to function normally, if the diver descends below the ceiling within three minutes. After this the dive computer will enter a permanent ERROR MODE.
  • Page 43 The menu based functions include the logbook and history memories, the personal/altitude adjustment setting, and the date and time setting. The menu based functions are activated using the water contacts. Keep your fingers on the TIME/MODE and COM contacts while the dive computer scrolls through the menu (Fig. 4.1). The desired mode is selected by breaking the finger contact when the desired mode appears on the display: •LOG: Logbook Memory.
  • Page 44 NO DEC TIME DIVE DIVE TIME PLAN Fig 4.2 LOGBOOK, DISPLAY I This display will alternate between DISPLAYS II and III. The maximum depth (a) of the second recent dive (c) was 28.6 m [94 ft] and the total dive time 29 min (e). The personal/altitude adjustment mode was set to A1 (d) and the minimum no-decompression time during the dive was 3 minutes (b).
  • Page 45 • average depth (a) • surface interval time before dive (b) • temperature at the maximum depth (c) • dive time • dive entry time and date The data of the most recent dive is shown first as DIVE 1 (the first dive in the memory). Preceding dives are recalled by touching the TIME/MODE and COM contacts.
  • Page 46 CEILING ASC TIME DIVE DIVE TIME PLAN Fig 4.5 VIOLATION DISPLAYS IN THE LOGBOOK, DISPLAY I Display I shows SLOW warning (a) for surfacing with the SLOW warning on, a downward pointing arrow for a violated ceiling (b), CEILING/ ASC TIME symbol (c) for decompression dive.
  • Page 47 The Dive History is activated by touching the TIME/MODE and COM contacts until HIS appears. This mode will show (Fig. 4.6): • the maximum depth ever reached (a) • the total number of dives (b) • the total accumulated dive time in hours (c) 999 dives and 999 hours of diving can be registered.
  • Page 48 TIME MODE PLAN PLAN Fig. 4.8 PERSONAL/ALTITUDE ADJUSTMENT SETTING, STEP 2 The cur rent mode A1 is blinking. Lift your fingers. TIME MODE PLAN PLAN Fig. 4.9 PERSONAL/ALTITUDE ADJUSTMENT SETTING, STEP 3 Release your fingers when the desired mode is blinking. The current personal/altitude adjustment mode is shown when diving as well as on the surface display.
  • Page 49 4. Connect the TIME/MODE and COM contacts to confirm this new personal/altitude adjustment mode (Fig. 4.10). The blinking will stop and the other mode indicators will disappear. 5. The process is ended by the RETURN command, i.e. by connecting all three contacts at the same time (Fig.

  • Page 50: Calendar Clock Function

    CHANGE DISPLAY TIME MODE PLAN CHANGE PLAN VALUE Fig. 4.12 TIME SETTING Ready to adjust the hour reading (blinking). TIME MODE PLAN PLAN Fig. 4.13 TIME SETTING Adjusting the hour reading, PLAN/ON & COM. The current date and time is read by connecting the TIME/MODE and COM contacts for about two second, as described in Section 3.3.3, “Calendar Clock Function”.
  • Page 51 NOTE: In case of the minutes and date, the change is made separately for both digits, as shown by the blinking digit. In case of the hours and month, the complete number is changed simultaneously. 4. Repeat steps 2 and 3 to change any additional values. 5.

  • Page 52: Diving

    The service requires special tools and training. Therefore, it is advisable to contact an authorized Suunto dealer for biennial service. Do not attempt to do any servicing that you are not trained for.
  • Page 53 If left without care for an extended period, a thin film (often invisible to the eye) will cover the unit. Much like the buildup on the glass of an aquarium, this film is the result of organic contaminates found in both salt and fresh water. Suntan oil, silicone spray and grease will speed up this process.
  • Page 54 A leak must be corrected without delay, as moisture will seriously damage the computer, even beyond repair. Suunto does not take any responsibility for damage caused by moisture in the battery compartment, if the instructions of this manual are not carefully followed.
  • Page 55 The Suunto dive computer is a multi-functional sport diving instrument, which provides information on depths, times and decompression requirements. Its electronic microprocessor mathematically models the absorption and release of nitrogen during all phases of diving, including ascents, surface intervals and repetitive dives.
  • Page 56 Personal/high altitude adjustment mode Depth [m] —...

  • Page 57: Decompression Dives

    Unlike the U.S. Navy tables, the instrument interpolates between depths, giving a diver “credit” for time spent in shallower water, rather than calculating no-decompression limits based on the maximum depth of a dive. As a result, multi-level no- decompression dive times permitted by the dive computer are often longer than those that would be allowed by the U.S. Navy tables.

  • Page 58: Surface Interval

    THE USER SHOULD BE AWARE THAT ANY DIVE, INCLUDING ONES WITHIN THE U.S. NAVY TABLES OR DIVE COMPUTER LIMITS, DOES CARRY SOME RISK OF DECOMPRESSION SICKNESS. When you dive with the instrument, it measures and displays depths and times as your dive progresses. It shows you available no-decompression time and possible decompression required based upon the following five factors: 1.
  • Page 59 The no-decompression limits in the U.S. Navy tables are based upon six theoretical compartments for single dives, and one compartment for surface intervals and repetitive dives. If you are familiar with table theory, you may know that they are characterized by half times (i.e.
  • Page 60 U.S. Navy tables. SUUNTO STRONGLY RECOMMENDS THAT SPORT DIVERS LIMIT THEIR MAXIMUM DEPTH TO 40 m [130 ft]! However, the dive computer will calculate below that depth to provide a wide margin of flexibility if, through carelessness or...
  • Page 61 • Diameter: 61.5 mm [2.42 in] • Depth: 29 mm [1.14 in] • Weight: 105 g [0.23 lb] • Temperature compensated pressure sensor • Salt water calibrated (in fresh water the readings are about 3% smaller) • Depth display range: 0 to 90 m [295 ft] •...
  • Page 62 • Dive time: 0 to 199 min (999 dive hours in the history memory) • Surface time: 0 to 39 h 59 min • Dive counter: 0 to 255 dives (999 dives in the history memory) • No-decompression time: 0 to 199 min (- - after 199) •...

  • Page 63: Maintenance

    All implied warranties, including but not limited to the implied warranties of merchantability and fitness for a particular purpose, are limited from date of purchase and in scope to the warranties expressed herein. Suunto shall not be liable for loss of use of the product or other incidental or consequential costs, expenses or damage incurred by the purchase.
  • Page 64 Altitude dive A dive made at an elevation above 700 m [2300 ft] above sea-level. Ascent rate The speed at which the diver ascends toward the surface. ASC RATE Abbreviation for ascent rate. Ascent time The minimum amount of time needed to reach the surface in a decompression dive. ASC TIME Abbreviation for ascent time.
  • Page 65 Dive time Elapsed time between leaving the surface to descend, and returning to the surface at the end of a dive. Half-time After a change in ambient pressure, the amount of time required for the partial pressure of nitrogen in a theoretical compartment to go half-way from its previous value to saturation at the new ambient pressure.

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