User manual CASIO QW-676

[. . . ] is used to emphasize important information. COPYRIGHT, TRADEMARK AND PATENT NOTICE This instruction manual is copyrighted and all rights are reserved. It may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to any media without prior written consent from CASIO. CASIO, QW-676, Consumed Bottom Time (CBT), Oxygen Limit Fraction (OLF), CASIO Reduced Gradient Bubble Model (RGBM), Continuous Decompression and their logos are all registered or unregistered trademarks of CASIO. Patents have been issued or applied for one or several features of this product. CE The CE mark is used to mark conformity with the European Union EMC directive 89/336/EEC. [. . . ] Following any dive that required a decompression stop, flying should be delayed for at least 24 hours, and if possible, for 48 hours. Suunto recommends that flying is avoided until all the DAN and UHMS guidelines and the dive computer wait to fly conditions are satisfied. · · · · 34 3. 7. AUDIBLE AND VISUAL ALARMS The dive computer features audible and visual alarms to advise when important limits are approached or to acknowledge preset alarms. A short single beep occurs, when: · · the dive computer is activated. when the dive computer automatically returns to the TIME mode. Three double beeps occur, when: · · · the cylinder pressure reaches 50 bar [725 psi]. The cylinder pressure display will start to blink (Fig. the cylinder pressure reaches 35 bar [500 psi]. the calculated remaining air time reaches zero. Three single beeps with a two second interval and the backlight activated for 5 seconds occur, when: · the no-decompression dive turns into a decompression stop dive. An arrow pointing upwards and the blinking ascent warning ASC TIME will appear (Fig. 3. 16. ). Continuous beeps and the backlight activated for 5 seconds occur, when: · · · the maximum allowed ascent rate, 10 m/min [33 ft/min], is exceeded. SLOW and STOP warnings will appear (Fig. When the backlight is turned OFF, it does not illuminate when an alarm is activated. 36 WARNING! WHEN THE OXYGEN LIMIT FRACTION INDICATES THAT THE MAXIMUM LIMIT IS REACHED, YOU MUST IMMEDIATELY ASCEND UNTIL THE WARNING STOPS BLINKING!Failure to take action to reduce oxygen exposure after the warning is given can rapidly increase the risk of oxygen toxicity and the risk of injury or death. 3. 8. HIGH ALTITUDE DIVES AND PERSONAL ADJUSTMENT The dive computer can be adjusted both for diving at altitude and also to increase the conservatism of the mathematical nitrogen model. 3. 8. 1. ALTITUDE ADJUSTMENT When programming the instrument for the correct altitude, you need to select the correct Altitude Mode according to Table 3. 3. The dive computer will adjust its mathematical model according to the entered altitude mode, giving shorter nodecompression times at higher altitudes (see Section 6. 1. "Operating Principles", Table 6. 1. ALTITUDE ADJUSTMENT RANGES The entered Altitude Adjustment Mode is indicated by mountain symbols (A0, A1 = one mountain, or A2 = two mountains). "Altitude Adjustment and Personal Adjustment Setting" describes how the Altitude Mode is adjusted. Traveling to a higher elevation can temporarily cause a change in the equilibrium of 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. 37 3. 8. 2. PERSONAL ADJUSTMENT There are adverse personal factors for DCI which divers can predict in advance and input into the decompression model. [. . . ] Abbreviation for high pressure (= cylinder pressure). A single or repetitive dive that includes time spent at various depths and whose no-decompression limits are therefore not determined solely by the maximum depth attained. In sports diving refers to any mix with a higher fraction of oxygen than standard air. United States National Oceanic and Atmospheric Administration. [. . . ]