SUUNTOGEKKOENUSER’S GUIDE
8 3.7. HIGH ALTITUDE DIVES AND PERSONAL ADJUSTMENT ...34 3.7.1.Altitude Adjustment ...
91. INTRODUCTIONCongratulations on your purchase of the SUUNT O GEKKO dive computer. The GEKKO builds on the Suunto tradition of deli vering feature-r
10use, displays and limitations of the instrument. If you have any questions about the manual or the di ve computer, contact your SUUNT O dealer befor
11However, when the gas mix is altered, the oxygen content of the mix is generally increased. This increase exposes the diver to an oxygen toxicity ri
122. GETTING ACQUAINTED2.1. FUNCTIONSThe Suunto GEKKO can be set to function as a re gular air dive computer or as a nitrox dive computer.The GEKKO fe
13Press the SMART (MODE) button• To activate the dive computer.• To change from the Surface Mode to the menu based modes.• To select, confi rm or
142.3. WATER CONTACTSThe water contacts control the automatic activation of the Dive Mode.The water and data transfer contacts are located on bottom o
153. DIVING WITH THE GEKKOThis section contains instructions on how to operate the dive computer and interpret its displays. You will fi nd that this d
16At this time, perform your prechecks making sure that:• the instrument operates in the correct mode and provides a complete display (Air/Ni-trox m
173.1.2. BATTERY INDICATION3.1.2.1. Battery Power IndicatorThis dive computer has a unique graphic Battery Power Indicator designed to give you an a
Quick reference guide GekkoThe Smart Button:- Activation- Mode OperationsCurrent Time DisplaySurface Interval TimeNo Flying TimeNo-Decompression TimeT
183.1.3. Dive Planning [PLAN]To enter Planning Mode, press the PLAN button at any time during Surface Mode. After showing the text “PLAN” (Fig. 3.5.),
193.1.4. User Defi nable Functions and AlarmsThe GEKKO has several user defi nable functions and depth and time related alarms that you can set accordin
20The STOP sign will appear in the display and when you reach the depth zone between 6 m to 3 m [20 ft to 10] also the CEILING label, ceiling depth an
21All information on the display is labeled (Fig. 3.6). During a no-decompression stop dive, the following information will be displayed:- your pre
223.3.3. Consumed Bottom Time (CBT)The available no-decompression stop time is also shown visually in the multi-function bar graph on the left side of
23When the maximum allowed ascent rate is exceeded, the fi fth SLOW warning segment and the STOP sign appear and the depth reading starts to blink, ind
24Rather than requiring you to mak e stops at fi xed depths, th e di ve comput er lets you to decompress within a range of depths (Continuous Decompr
25CEILING, CEILING ZONE, FLOOR AND DECOMPRESSION RANGEWhen in decompression, it is important that you understand the meaning of ceil-ing, fl oor, and d
26DISPLAY ABOVE THE FLOORWhen you ascend abo ve the fl oor, the ASC TIME display stops blinking and the upw ard pointing arrow disappears (Fig. 3.16.).
273.4. DIVING IN NITROX MODE3.4.1. Before DivingThe GEKKO can be set for diving with standard air only (Air mode) or it can be set for diving with Enr
1WARNING is used in connection with a procedure or situation that may result in serious injury or death.CAUTION is used in connection with a proc
28mNO DEC TIME°CMAXDIVE TIMEO2%OLFNOTEAs a s afety pr ecaution t he o xygen c alculations i n the computer are made with an oxygen percentage of 1% +
29In Dive mode, the oxygen percentage labeled with O2% and the current oxygen toxicity exposure shown with an Oxygen Limit Fraction (OLF) bar graph ar
303.5. AT THE SURFACE3.5.1. Surface IntervalAn ascent to an y depth shallower than 1.2 m [4 ft] will cause the DIVING display to be replaced by the SU
31 Symbolon displayIndicationViolated Decompression CeilingDo Not Fly SymbolDiver Attention Symbol - Extend Surface IntervalNOTABLE 3.3. WARNING SYMB
32NOTE! The airplane symbol is not sho wn on the stand-by display. You should always activate the dive computer and check that the airplane symbol is
333.6. AUDIBLE AND VISUAL ALARMSThe dive computer features audible alarms to advise when important limits are approached or to acknowledge preset alar
34- the OLF bar graph reaches 100%. The blinking of the segments exceeding 80% will stop, when the OLF is not loading anymore. At that point the PO
35of dissolved nitrogen in the body . It is recommended that you acclimate to the new altitude by waiting at least three hours before making a dive.3.
363.8. ERROR CONDITIONSThe dive computer has w arning indicators that alert the user to react to certain situations that would signifi cantly increase
374. MENU BASED MODESTo make yourself familiar with the menu based functions, please use your Quick Reference Guide supplied with the GEKKO together w
2ISO 9001SUUNTO Oy’s Quality Assurance System is certifi ed by Det Norske Veritas to be according to the ISO 9001 in all SUUNT O Oy’s operations (Quali
38THE LIST OF THE MENU BASED MODES1. MEMORY FUNCTIONS [1 MEMORY] 1. Logbook and Dive Profi le Memory [1 LOGBOOK] 2. Dive History Memory [2 HISTORY
39DIVETIMEDIVEpage 4QUIT4.1.1. Logbook and Dive Profi le Memory [1 LOGBOOK]This instrument has a v ery sophisticated high ca-pacity Logbook and Profi l
40Page II (Fig. 4.7.)• dive number in the dive series• maximum depth (NOTE! Due to lower resolution, the reading may differ from the maximum dep
41Fig. 4.10. Logbook, page I. Press SMART (Select) but-ton once to be able to scroll between different dives.Fig. 4.11. Logbook, end of the memory. EN
424.1.2. Dive History Memory [2 HISTORY]The Di ve History is a su mmary of al l the d ives recorded b y t he d ive c omputer. To enter t he D ive Hist
434.2. SET MODES [2 SET]The Set Mode (Fig. 4.15.) is di vided into four sub-modes: dive computer model setting, alarm settings, time setting and pers
444.2.2.1. Dive Time Alarm SettingThe instrument has one Di ve Time Alarm Setting, which can be used for several purposes to add to your diving safety
45Fig. 4.22. Adjusting TimeFig. 4.23. Adjusting Date.Fig. 4.24. Adjustment Set-ting ModeFig. 4.27. Setting Metric/Imperial units.Fig. 4.26. Setting Pe
465. CARE AND MAINTENANCEThis SUUNTO dive computer is a sophisticated precision instrument. Though designed to withstand the rigors of scuba diving y
47like scuba cylinders, nor chemicals like gasoline, cleaning solvents, aerosol sprays, adhesive agents, paint, acetone, alcohol etc. Chemical reactio
3WARNING!READ THIS MANUAL! Carefully read this instruction manual in its entirety paying close attention to all warnings listed below, including secti
48In case of a leak, immediately take the dive computer to an authorized SUUNTO dealer or distributor.5.5. BATTERY REPLACEMENTNOTE! It is advisable
49follow the procedure below:1. Remove the computer from the console or boot.Wrist model:• Disassemble the shorter part of the strap with a fl at 1.5
5012. Check that the new lubricated O-ring is in good condition. Put it in the right position on the battery compartment. Be very careful not to get a
51Complete Strap (V5841)Short Strap with buckle (V5836)Spring Bar (K5588)Long Strap (K5592) Fig. 5.2 Opening of the securing ring.Securing Ring (V5844
526. TECHNICAL DESCRIPTION6.1. OPERATING PRINCIPLESNO-DECOMPRESSION LIMITSThe no-decompression limits displayed by the dive computer for the fi rst di
53TABLE 6.2. NO-DECOMPRESSION TIME LIMITS (MIN) FOR VARIOUS DEPTHS [FT] FOR THE FIRST DIVE OF A SERIESALTITUDE DIVINGThe atmospheric pressure is lower
546.2. SUUNTO REDUCED GRADIENT BUBBLE MODEL (RGBM)The Suunto Reduced Gradient Bubble Model (RGBM) is a modern algorithm for predicting both dissolved
556.3. OXYGEN EXPOSUREThe oxygen exposure calculations are based on currently accepted exposure time limit tables and principles. In addition to this
56- Maximum depth of operation: 80 m [262 ft] (complying with EN 13319).- Accuracy: ± 1% of full scale or better from 0 to 80 m [262 ft] at 20°C [68
57Operating Conditions- Normal altitude range: 0 to 3000 m [10000 ft] above sea level.- Operating temperature: 0°C to 40°C [32°F to 104°F].- Storag
4WARNING!SUUNTO STRONGLY RECOMMENDS THAT SPORT DIVERS LIMIT THEIR MAXIMUM DEPTH TO 40 M [130 FT] OR TO THE DEPTH CAL-CULATED BY THE COMPUTER BASED ON
58- The quality of the battery (some lithium batteries may exhaust unexpect-edly, which cannot be tested in advance).- The time the dive computer ha
597. WARRANTYNOTE! The warranty arrangements are different in different countries. The dive computer packaging contains information re garding the w a
608. SUUNTOSPORTS.COMSuuntoSports.com is an international free web community where you can refi ne and share the data that you have measured with your
61displayed in your personal information. Here you can also manage them and decide if they can be presented to all other community users or just to l
629. GLOSSARYAltitude dive A dive made at an elevation greater than 300 m [1000 ft] above sea level.Ascent rate The speed at which the diver ascends
63Dive series A group of repetitive dives between which the dive computer indicates some nitrogen loading is present. When nitrogen loading reaches z
64Oxygen Limit Fraction A term used by SUUNTO for the values displayed in the Oxygen Toxicity bargraph. The value is either the CNS% or the OTU%.O2%
°C TIMEDIVEmmNO DEC TIMETCB°CMAXDIVE TIMEMENU BASEDMAIN MODEMENU BASED SUBMODEMODES ANDOPERATIONSActivate the timekeeping displayLCD &batterycheck
Printed in Finland 03.2009 / Esa Print Oy / 195396COPYRIGHTThis publication and its contents are proprietary to Suunto Oy.Suunto, Wristop Computer, Su
Suunto’s div e computer s and wristopcomputers can be r egistered online a twww.suunto.com.
5in chapter 3.5.3. “Flying After Diving”. There can never be a fl ying after diving rule that is guaranteed to completely prevent decompression illness
www.suunto.comMade in Finland© Suunto Oy 06 / 2003, 03 / 2009
6WARNING!SET THE CORRECT PERSONAL ADJUSTMENT MODE! Whenever it is believed that factors that tend to increase the possibility of DCI e xist, it is rec
7TABLE OF CONTENTSWARNINGS .....................31. INTRODUCTION ......
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