User manual SCUBAPRO-UWATEC ALADIN PRIME-TEC

[. . . ] ® ® ® PRIME TEC SWISS MADE BY UWATEC AG Français English Operating Manual Deutsch Safety considerations You must carefully read and understand this entire manual before using your Aladin® PRIME or Aladin® TEC. Even if you follow the instructions of this manual in a careful manner, it is still possible that you may be seriously injured or die from decompression sickness, oxygen toxicity or some other inherent risk of scuba with Nitrox or compressed air. Unless you are fully aware of these risks and are willing to personally accept and assume responsibility for those risks, do not use Aladin® PRIME or Aladin® TEC. WARNING Guidelines for the use of Aladin® PRIME and Aladin® TEC: The following guidelines for using Aladin® PRIME and Aladin® TEC are derived from the latest medical research and the recommendations of the American Academy of Underwater Sciences for diving with diving computers. Following these guidelines will greatly increase your safety while diving, but cannot guarantee that decompression sickness or oxygen toxicity will not occur. [. . . ] Microbubble No-fly time is the time in hours that should pass before a flight and is diswarning played and adjusted until the value becomes 0 hours. NO NO WARNING S L O W Flying while Aladin® displays <do not fly> may lead to serious injury or death from decompression sickness. If the <microbubble warning (NO DIVE)> is visible during the surface interval, the diver should not undertake another dive. Time of day Residual nitrogen bar Ascent to altitude range 4 prohibited WARNING The duration of the microbubble warning is visible by entering the dive planner ->35. To check the elapsed surface interval press . To check the remaining desaturation time and oxygen toxicity press . NO NO DESAT DESA CNS O2% S L O W Desaturation time Residual nitrogen bar Surface interval Oxygen toxicity Desaturation time is determined either by oxygen toxicity, nitrogen saturation or the regression of microbubbles, depending on which requires the longer time. NO Microbubble warning Through repetitive dives microbubbles accumulate in the lungs if the surface interval is not long enough. Ignoring decompression stops or ascending at an excessive rate can also lead to microbubbles in tissues. In order to reduce the risk of decompression sickness for repetitive dives, the surface interval should be planned long enough. If Aladin® calculates that the formation of microbubbles occurs during the surface interval, it will advise a diver to extend the surface interval via the microbubble warning. If the dive is made in spite of the microbubble warning, the diver must cope with a clearly shorter no-stop time or an extension of decompression. Also, the duration of the microbubble warning at the end of the dive can increase considerably. 26 III UWATEC® Aladin® dive computers 6 Diving in mountain lakes 6. 1 Altimeter 6. 2 Altitude ranges Altitude icon Altitude range 2 III The altitude adjustment ->39 does not affect altitude ranges nor any calculations. Aladin® measures the atmospheric pressure every 60 seconds even while the display is switched off. If the computer detects a sufficient increase in altitude, it switches on automatically and indicates the new altitude range (1-4) and the desaturation time. Desaturation time indicated at this moment refers to adaptation time at this altitude. If the dive starts within this adaptation time, Aladin® treats it as a repetitive dive, since the body is offgassing. Altitude is divided into five ranges, which are influenced by barometric pressure. If a mountain lake is reached, the altitude range is indicated at the surface (time of day display), in the logbook and in the dive planner by a stylised mountain and the current altitude range. Sea level to an altitude of approximately 1000m (3300 feet) is not indicated. In the following diagram, you Switching can see the approximate breakdown of the altitude at approx. No deco data ranges: 610 mbar gauge mode 4000 m 13120 ft 3000 m 9840 ft 2000 m 6560 ft 8. 85 psi 725 mbar 10. 51 psi 815 mbar 11. 82 psi 905 mbar 13. 12 psi Altitude ranges 1000 m 3280 ft 0m 6. 3 Prohibited altitude WARNING Ascent to altitude range 3 and 4 prohibited. allowed altitude: 2650 m (8694 ft). Aladin® shows via flashing altitude segments while at the surface to which altitude the diver may not rise. Max. altitude: 850 m 2790 ft 1650 m 5413 ft 2650 m 8694 ft 4000 m 13120 ft The ascent prohibition can also be displayed together with an altitude range: Example: You are at 1200 m (3937 ft) (altitude range 1) and you may ascend to range 2 only (2650 m / 8694 feet). You may not rise to the altitude range 3 or 4. WARNING TEC If an ascent to a prohibited altitude is detected, an audible alarm goes off for 1 minute (patent pending). Descend to a lower altitude. 6. 4 Decompression dives in mountain lakes In order to assure optimal decompression even at higher altitudes, the 3m (10 ft) decompression stage is divided into a 4 m (13 ft) stage and a 2 m (7 ft) stage in altitude ranges 1, 2 and 3. The prescribed decompression stop depths are, in sequence, 2m / 4m / 6m / 9m. . . [. . . ] Do not lubricate the o-ring as the lubricant will chemically attack the battery cap. WARNING 9. Aladin® can be damaged if you do not insert the battery correctly. Insert the new battery, with "+" pointing outwards, into the battery compartment. After battery replacement Aladin® will perform an automatic test (8 sec. ) and gives a short beep when the test is done. WARNING 10. The battery cap can be installed with a ±120° offset. [. . . ]