NEMO WIDE Dive Computer Puck User’s Guide Nemo Wide dive computer • TABLE OF CONTENTS QUICK GUIDE 2 SURFACING - AIR 8 NEMO WIDE DIVE COMPUTER 3 SURFACE MODE - AIR 8 IMPORTANT WARNINGS 3 DIVE - EAN 8 Responsible Diving Practices 3 MONITORING OF THE GENERAL DIVE PARAMETERS 9 HOW THE NEMO WIDE DIVE COMPUTER WORKS 4 PREDIVE - EAN 9 SETTING PARAMETERS FOR THE NEMO WIDE DIVE COMPUTER 4 DIVE – EAN: “NO-DECOMPRESSION” DIVE 9 Adjusting the watch: WATCHSET 4 DIVE – EAN “DECOMPRESSION STOP” DIVE 9 Adjusting dive parameters: SET DIVE 4 SURFACING – EAN 10 SET DIVE - DATA 5 SURFACE MODE – EAN 10 SET DIVE - MODE 5 DIVE - BOTTOM TIME (GAUGE) 10 AIR 5 SURFACE MODE – BOTTOM TIME 10 EAN 6 BOTTOM TIME WITH BEHAVIOR ERROR 10 BOTTOM TIME 6 PLANNING: SCROLLING OF NO DECOMPRESSION LIMITS 11 CONTROLLING THE TIME SETTINGS 6 LOG BOOK 11 DIVING WITH NEMO WIDE 6 PC MODE 11 PREDIVE - AIR 6 OFF MODE 12 DIVE – AIR: “NO-DECOMPRESSION” DIVE 6 FAQ 12 DIVE – AIR: “DECOMPRESSION STOP” DIVE 7 MAINTENANCE 12 TIME TO SURFACE (ASC TIME) 7 TECHNICAL/FUNCTIONAL CHARACTERISTICS 13 DECOMPRESSION STOPS 7 WARRANTY 13 ASCENT 8 DISPOSAL OF THE DEVICE 13 SAFETY STOP 8 • QUICK GUIDE 1 + button 2 - button 3 ESC button 4 ENTER button 5 DIVE - maximum depth 6 DIVE - depth 7 DIVE - DEEP STOP depth DIVE - decompression stop depth DIVE - Minutes remaining for the safety stop 8 DIVE - % CNS 9 DIVE - % oxygen 10 DIVE - no-decompression time remaining DIVE - duration of the decompression stop DIVE - DEEP STOP time remaining 11 No-decompression dive indicator (NO DECO) Decompression-stop diving indicator (DECO) 1 DEEP STOP Indicator 13 Decompression stop indicator 14 Total ascent time 15 Altitude level 16 “No fly” indicator 17 Low battery indicator 18 Personal correction factor 19 Omitted stop indicator 20 Uncontrolled ascent indicator 21 % ascent speed 22 Ascent speed 23 Dive time 24 Display bar: various types of information are displayed based on usage. • NEMO WIDE DIVE COMPUTER Mares recommends scrupulous adherence to WARNING the simple rules of behavior listed below: In addition to the dive computer, also use Congratulations! a depth gauge, a submersible pressure Responsible Diving Practices gauge, a timer or watch, and dive tables. Your new Nemo Wide Dive Computer is the • Always plan your dives in advance. result of the latest Mares technology, and has • Never exceed the limits of your skill and WARNING been designed to guarantee maximum safety, experience. efficiency, reliability and long life. Never dive alone, Nemo Wide cannot • Go to your deepest planned depth at the Simple and easy to use, it is ideal for all types replace a diving buddy. beginning of the dive. of dives. • Check your computer frequently during the This manual contains all the instructions for WARNING dive. its use. • Comply with the ascent rate indicated by the Mares thanks you for your choice and urges Do not dive if the readings on the computer. you to always practice safe and responsible instrument appear irregular or unclear. • Always perform a safety stop between - diving. 6 and -3 meters (-0 and -10 ft) for at least Enjoy! WARNING 3 minutes. • After any decompression stops, ascend very The dive computer cannot ensure against slowly to the surface. No part of this document may be reproduced, possible decompression sickness. The dive • Avoid yo-yo dives (repeatedly ascending and stored in a retrieval system, or transmitted computer cannot take into account the descending underwater). in any form without the written permission of physical conditions of the individual diver, • Avoid strenuous activity during the dive and Mares S.p.A. which may vary from one day to the next. for half an hour after surfacing. Mares adopts a policy of continuing For your safety, have a general medical • When diving in cold water or after intense improvement, and therefore reserves the right check-up before undertaking a dive. exertion, start ascending well before to make changes and enhancements to any of reaching the no-decompression limits. the products described in this manual without • In the case of a decompression dive, prolong WARNING notice. the decompression stop nearest the surface Under no circumstances shall Mares be held Always check the battery power level for safety. responsible for any loss or damage sustained before starting the dive. Do not dive if • Repetitive dives should be separated by a by third parties deriving from the use of this the icon indicates that the battery is low. surface interval of at least hours. instrument. Replace the battery. • Your deepest dive should be the first one of the day. • Avoid diving until the desaturation time WARNING IMPORTANT WARNINGS deriving from the previous dive has elapsed. Do not fly within 4 hours of your last dive, • When doing repetitive dives for several Important: and in any case wait until the Nemo Wide consecutive days, take at least one day Any critical information or warnings that might “no fly” warning disappears. off from diving every week. In the case affect the performance or result in the injury of of decompression-stop diving, it is the technician, Nemo Wide Computer owner, recommended to take one day off from or other persons are highlighted with the WARNING diving every three days. following symbols: Recreational divers should not dive deeper • Avoid decompression-stop dives and do not than 40 m (130 ft). Although this computer dive deeper than 40 meters (130 ft) unless will continue to provide information for you have been specifically trained in this caution compressed-air dives deeper than 40 m type of technical diving. • Avoid repetitive “square profile” dives (dives Indicates a potentially hazardous situation (130 ft.), the risk of nitrogen narcosis and to a single depth) deeper than 18 meters which, if not avoided, may result in minor decompression sickness (DCS) is greatly (60 ft). or moderate injury. It may also be used to increased; therefore this information • Always wait at least 1 hours, and preferably alert against unsafe practices. should be treated as only approximate. 4 hours, before flying after a dive, in accordance with the recommendations of WARNING WARNING the Divers’ Alert Network. Indicates a potentially hazardous situation Never dive to depths greater than 40 m which, if not avoided, could result in death (130 ft), and never take decompression or serious injury. dives with Nemo Wide unless you possess the specific license (IANTD, NAUI, PADIDSAT, PSA, SSI, TDI, etc.) for deep DANGER scuba diving to depths of more than 40 m Indicates an imminently hazardous (130 ft) and fully understand the risks and situation which, if not avoided, will result in the skills that this type of dive requires. death or serious injury. This type of dive can entail a greater risk of decompression sickness, even for the Before diving, make sure you have read and most qualified and expert divers, and understood all parts of this manual. regardless of the instrumentation or computer used. Divers attempting these WARNING types of dives must have completed a specialist course and gained the necessary The Nemo Wide dive computer is designed experience. exclusively for recreational sports use and not for professional applications. The safety of a dive can only be increased through adequate preparation and training. Mares therefore recommends using the dive computer only after having completed a specialist diver training course. 3 Nemo Wide dive computer • HOW THE NEMO WIDE DIVE WATCHSET - Key Beep WARNING COMPUTER WORKS Press the ENTER button to access this mode, Temperature can noticeably affect battery where you can use the <+> and <-> buttons to The Nemo Wide has 8 operating modes: voltage. The icon that signals a low battery select whether or not you want to hear a sound 1. DIVE level may appear due to low temperatures, when you press the keys. 2. WATCHSET even if the battery still has sufficient Press the <ENTER> button to accept the 3. TIME capacity. In this case, backlighting is selection: 4. PC disabled. After the changes have been made, the 5. LOGBOOK computer returns to the Key Beep menu. Use 6. PLANNING If backlighting has been disabled due to low <+> and <-> to move to the Contrast menu. 7. SET DIVE temperature, you can repeat the battery 8. OFF status check by entering OFF mode (Fig. ). If WATCHSET – Contrast the battery icon disappears, the backlighting Press any button to turn on Nemo Wide; the Pressing the ENTER button will enter this function has been re-enabled. word “DIVE” will appear. mode, and it will display the current contrast value. This can be changed using the <+> or At this point you can easily navigate through WARNING the computer functions using the four keys <-> keys. (Fig. 1). We advise that you replace the battery if Press the <ENTER> button to accept the you intend to dive in cold water. selection. After the changes have been made, the computer returns to the Contrast menu. AUTOMATIC SWITCH-OFF Pressing the <ESC> button will exit this menu If Nemo Wide is switched on but you don’t and the computer goes back to the main press any buttons for a certain period, it will WATCHSET menu. switch off automatically. The delay before automatic switch-off varies ADJusting dive parameters: depending on the current operating mode. SET DIVE In this menu you can set the general data and • SETTING PARAMETERS FOR THE operational modes for the dive. SET DIVE has Fig. 1 NEMO WIDE DIVE COMPUTER two submenus: Set dive - Data The buttons are used the same way in every Set dive - Mode operating mode: ADJUSTING the watch: In the SET DIVE - DATA mode you can change • the <+> button moves forward WATCHSET the following parameters: • the <-> button moves backward salt / freshwater • the <ENTER> button accepts the selection The WATCHSET menu, (Fig.