User manual SUUNTO COBRA 2

[. . . ] WARNINGS, CAUTIONS, AND NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SUUNTO Cobra2 AT A GLANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Navigating in the menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Button symbols and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] NOTE With Deep Stops on, the Recommended Safety Stops will still be activated at the end of the dive. 25 6. DIVING This section contains instructions on how to operate the dive computer and interpret its displays. Each display shows only the data relevant to that specific diving mode. Diving in AIR mode (DIVEair) In this section, we look at how to make the most of the dive computer when diving with standard air. Accessing DIVE mode. DIVE HAS JUST BEGUN AND AVAILABLE NO-DECOMPRESSION TIME IS OVER 99 MINUTES SO NO VALUE IS DISPLAYED. NOTE The dive computer will remain in the Surface mode at depths less than 1. 2 m/4 ft. At depths greater than 1. 2 m/4 ft the instrument will go into the DIVE mode automatically. However, it is recommended that you activate the DIVE Mode manually in order to perform the necessary dive pre-checks. 6. 1. 1. Basic dive data During a No-decompression dive, the following information is displayed: · your present depth in meters/feet · the available no-decompression time in minutes as NO DEC TIME · the ascent rate presented as a bar graph on the right side · the Diver Attention Symbol if surface interval should be prolonged (see Table 7. 1, Alarms) DIVE DISPLAY - PRESENT DEPTH IS 15 M, NO-DECOMPRESSION STOP TIME LIMIT IS 38 MIN. 99 MINUTES OF REMAINING AIR TIME AND 202 BAR TANK PRESSURE. Alternative displays, by pressing the UP/DOWN buttons, show: · the elapsed dive time in minutes, shown as DIVE TIME · the water temperature in °C/°F · the maximum depth during this dive in meters/feet, indicated as MAX · the current time, shown as TIME DOWN BUTTON TOGGLES BETWEEN MAXIMUM DEPTH AND CURRENT TIME. 26 UP BUTTON TOGGLES BETWEEN DIVE TIME AND WATER TEMPERATURE. 6. 1. 2. Bookmark It is possible to record bookmarks in the profile memory during a dive. These bookmarks are displayed when scrolling the profile memory on the display. The bookmarks will also be shown as annotations in the downloadable Suunto Dive Manager PC software. The bookmark logs the depth, time, and water temperature, as well as compass heading (if the compass has been enabled). To make a bookmark in the profile memory during a dive, press the SELECT button. A brief confirmation will be given. A BOOKMARK IS PLACED IN THE PROFILE MEMORY DURING A DIVE BY PRESSING THE SELECT BUTTON. 6. 1. 3. Tank pressure data The pressure of your scuba cylinder in bars (or psi) is shown digitally in the lower left corner of the alternative display. After 30 - 60 seconds (sometimes more, depending on your air consumption), the first estimation of remaining air time will be shown in the left center window of the display. The calculation is always based on the actual pressure drop in your cylinder and will automatically adapt to your cylinder size and current air consumption. The change in your air consumption will be based on constant one second interval pressure measurements over 30 - 60 second periods. An increase in air consumption will influence the remaining air time rapidly, while a drop in air consumption will increase the air time slowly. In this way, an over optimistic air time estimation, caused by a temporary drop in air consumption, is avoided. The remaining air time calculation includes a 35 bar/500 psi safety reserve. This means that when the instrument shows the air time to be zero, there is still about 35 bar/500 psi of pressure left in your cylinder, depending on your air consumption rate. [. . . ] A group of repetitive dives between which the dive computer indicates some nitrogen loading is present. Elapsed time between leaving the surface to descend, and returning to the surface at the end of a dive. Delta P, describing the Cylinder Pressure drop during the dive; the difference in cylinder pressure between the beginning and end of a dive. Standard mixes are EAN32 (NOAA Nitrox I = NN I) and EAN36 (NOAA Nitrox II = NN II). [. . . ]