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Cal. DH33
INSTRUCTIONS (P. 2) INSTRUCCIONES (P. 118)
BEDIENUNGSANLEITUNG (S. 30) INSTRUÇÕES (P. 146)
INSTRUCTIONS (P. 58) ! (174)
ISTRUZIONI (P. 86)
You are now the proud owner of a SEIKO Diving Computer Usted es ahora un orgulloso propietario de un Ordenador de
Cal. DH33. For best results, please read the instructions in this Buceo Cal. DH33 SEIKO. Para los mejores resultados, por favor,
booklet carefully before using your SEIKO Diving Computer. lea cuidadosamente la
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WARNING The SEIKO Diving Computer Cal. DH33 is diving unless you are specially qualified to intended for use in an inherently hazardous dive with Nitrox, having full knowledge of the form of recreation. Therefore, it is absolutely potential hazards of Nitrox diving. It is essential that you strictly observe all extremely hazardous to dive using the watch if instructions for the use and maintenance of it is set for the wrong percentage of oxygen the watch set forth in this manual. (FO2). You s
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English WARNING WARNING notes indicate any condition or practice which, if not strictly observed, could result in severe personal injury or possible death. decompression sickness and other hazards, and are not intended to guarantee the safety of the diver. It is necessary to use other CAUTION diving equipment together with the watch for safety’s sake. CAUTION notes indicate any condition or practice which, Also note that the possibility of if not strictly observed, could result in personal inju
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PRECAUTIONS FOR DIVING ● Strictly observe the precautions below to enjoy safe diving with the SEIKO Diving Computer Cal. DH33. ● If the temperature of the watch is much higher than that of the IN GENERAL water, for example, after having been left under direct sunlight before being put in water, the watch may not measure the ● Do not stay underwater beyond the no-decompression limits. depth of water accurately. Soak it in water for approximately ● When you have descended below 15 m (50ft), be su
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English CONTENTS Page WARNING ................................................................... 2 PRECAUTIONS FOR DIVING ..................................... 4 19.4 m x 1.03/1.00 20.0 m (66 ft) FEATURES .................................................................. 6 BUTTONS AND DISPLAY CHANGE .......................... 7 AFTER DIVING HOW TO USE TIME FUNCTIONS .............................. 8 ■ TIME/CALENDAR FUNCTION ................................. 8 ● Be sure to rinse the watch in fre
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FEATURES The SEIKO Diving Computer Cal. DH33 is a digital diver’s watch featuring dive computer functions. An algorithm is programmed into it to calculate multilevel diving. ● The log data includes date of dive, entry/exit time, dive time, DIVE COMPUTER FUNCTIONS maximum depth, FO2 setting (percentage of oxygen in gas mixture), and residual nitrogen/oxygen at the end of dive. ■ Algorithm ● The measurement units of depth and temperature can be ● The watch has an algorithm that calculates multile
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English ➟ ➟ BUTTONS AND DISPLAY CHANGE A ● Other than in the DIVE mode, the display changes in the following order by pressing button . * The display indicator “ ” shows to which display the watch is set. * If the watch is left untouched in any of the displays other than TIME/CALENDAR and DIVE, the display will automatically return to the TIME/CALENDAR in 5 to 6 minutes. A Press button . TIME/CALENDAR function REGULAR ALARM function • Displaying time, • Setting regular calen
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➡ HOW TO USE TIME FUNCTIONS ■ TIME/CALENDAR FUNCTION TIME/CALENDAR SETTING ▼ ● The time/calendar setting cannot be made for 10 minutes Press to set the flashing digits. D after a dive. * The digits move quickly by keeping the button pressed. Press to show TIME/CALENDAR display. A * When both the hour and minute digits are flashing, changeover between 12- and 24-hour indications can be made. * For the 12-hour indication, “AM” or “PM” is shown. There is no mark for the 24-hour indication. Current
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English ➡ ➡ ➡ HOW TO USE TIME FUNCTIONS ■ REGULAR ALARM FUNCTION ● The alarm can be set to ring once a day at a designated time. ● Once the alarm is set, the set time is shown in the TIME/CALENDAR display. ● Alarm can be tested. ● Hourly time signal is provided. REGULAR ALARM SETTING 2. When the digits are adjusted in the REGULAR ALARM SETTING A Press to show REGULAR ALARM display. display, the alarm is engaged automatically, and the regular alarm mark is shown on the display. ▼ 3. When setting
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HOW TO USE TIME FUNCTIONS ■ ILLUMINATING LIGHT ● How to stop the regular alarm Press in the displays other than DIVE PLAN and D The regular alarm rings at the designated time for 20 seconds DIVE LOG to turn on the illuminating light. and stops. While the alarm is ringing, the regular alarm mark flashes. To stop them manually, press button , , A B C D , or in any display. • The display panel is evenly ● Alarm test illuminated for 2 C D Press and hold butt
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English HOW TO USE TIME FUNCTIONS ■ HOUR CORRECTION FUNCTION ● When you travel around different time zones, the time/calendar of the place you visit can be set easily. ● The time difference can be adjusted in 30 minute increments up to 24 hours. The calendar is also adjusted accordingly. ● When you dive in a different time zone, it is recommended that you use this function to set the time/calendar of the diving site before diving. HOW TO USE THE HOUR CORRECTION FUNCTION Notes: A Press to show H
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HOW TO USE DIVE COMPUTER FUNCTIONS ■ NITROX DIVING FUNCTION ● The percentage of oxygen in the air used for ordinary diving is 21%. The higher percentage of oxygen in the gas mixture means a lower percentage of nitrogen than ordinary air, reducing the risk of decompression sickness. WARNING ● This function should be used only when you dive with ● If you have set FO2 for nitrox diving, be sure to re-check a gas mixture of oxygen and nitrogen other than the FO2 setting before a dive. On the day f
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English HOW TO USE DIVE COMPUTER FUNCTIONS Notes: 1. For 10 minutes after a dive, FO2 setting cannot be made. 2. If the watch is left untouched in the FO2 SETTING display, the display will automatically return to the FO2 in 1 to 2 minutes. When the nitrox mark “Nx” is flashing: ▼ Press once to show “Air” for diving with ordinary C air. C • “Nx” Nitrox mark disappears. ● If FO2 was set for nitrox diving the previous day and the date has changed to the next, a flashing “Nx” is shown on the D displ
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HOW TO USE DIVE COMPUTER FUNCTIONS ■ ALTITUDE COMPENSATION ■ SELECTION OF MEASUREMENT UNITS ● This watch has a built-in pressure sensor to measure the ● The measurement units of depth and temperature can be altitude (above sea level) and indicates the altitude rank selected from “meters (m) and centigrade (° C)” and “feet (ft) graphically in four levels. and Fahrenheit (° F)”. ● Residual nitrogen, no-decompression limits for the next dive and other data are calculated taking into account the cur
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English HOW TO USE DIVE COMPUTER FUNCTIONS ■ DIVE PLAN FUNCTION WARNING ● Before using the dive plan function, be sure to check the gas mixture of your scuba tank, set FO2 accordingly and set the unit of depth as required. ● Use this function for planning a dive before diving. ● No-decompression limits corresponding to each of the 14 ranks of depth of water are displayed. Depth rank : ● In meters : 9 m, 12 m, 15 m, 18 m, 21 m, 24 m, 27 m, 30 m, 33 m, 36 m, 39 m, 42 m, 45 m and 48 m. ● In feet :
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HOW TO USE DIVE COMPUTER FUNCTIONS ■ DIVE FUNCTION ● The auto switch (water contact sensor) senses water and automatically activates the DIVE FUNCTION, showing the DIVE display. There is no need to change the displays manually. ● As you descend to 1.5 m (5 ft) underwater, the watch starts showing the current depth and measuring the diving time. ● During a dive, the watch automatically measures depth, water temperature and dive time, and provides the information necessary for diving including wa
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English English HOW TO USE DIVE COMPUTER FUNCTIONS After no-decompression limit reaches “0” WARNING (during decompression diving): ● Do not make a decompression stop at a depth shallower than the decompression stop depth the watch indicates. It is in violation of the decompression stop warning, and the watch will not count down the ● Never dive beyond the no-decompression limit. decompression stop time and total ascent time even Residual nitrogen indicator if you make a stop during ascent. Dive
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HOW TO USE DIVE COMPUTER FUNCTIONS WARNINGS DURING A DIVE Indication Warning Description If you ascend in water at a rate greater than the specified one, flashing “SLOW” Ascent rate warning appears for 5 seconds and the warning sound beeps for 3 seconds. Three rates are specified depending on the depth level. 0.0 ~ 5.9 m (0 ~ 19 ft) : 8 m (26 ft)/min 6.0 ~ 17.9 m (20 ~ 59 ft) : 12 m (39 ft)/min 18.0 m (60 ft) and deeper : 16 m (52 ft)/min (flashing) * The watch calculates the ascent rate by meas
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English English HOW TO USE DIVE COMPUTER FUNCTIONS DISPLAY AFTER A DIVE When you are less than 1.5 m (5 ft) underwater and When you are less than 1.5m underwater or on the the auto switch senses water: surface and the auto switch does not sense water: C Current depth • TIME/CALENDAR display Surface interval Desaturation ● The watch shows the dive display with the current depth being time time “0.0 m (0 ft)”. Press and hold to show the surface interval time C ● If the watch shows the dive display
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HOW TO USE DIVE COMPUTER FUNCTIONS ■ DIVE LOG FUNCTION ● The log data recorded automatically while diving can be recalled. ● The stored data includes almost all the data necessary for keeping in log books. ● Log No., date of dive, entry time, exit time, dive time, dive No. on that day, percentage of oxygen, average depth, maximum depth and water temperature at maximum depth are displayed in the two separate dive log displays. ● Details of up to 30 dives can be stored in memory. If more than 30
