Seiko DH33 Instructions Manual
Seiko DH33 Instructions Manual

Seiko DH33 Instructions Manual

Diving computer

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INSTRUCTIONS
(P.
BEDIENUNGSANLEITUNG
(S. 30)
INSTRUCTIONS
(P. 58)
ISTRUZIONI
(P. 86)
You are now the proud owner of a SEIKO Diving Computer
Cal. DH33. For best results, please read the instructions in this
booklet carefully before using your SEIKO Diving Computer.
Please keep this manual handy for ready reference.
Sie sind jetzt stolzer Besitzer eines SEIKO Tauchcomputers Kal.
DH33. Lesen Sie diese Bedienungsanleitung vor der Verwendung
Ihres SEIKO Tauchcomputers aufmerksam durch, um seine
optimale Nutzung zu gewährleisten. Heben Sie diese
Bedienungsanleitung gut auf, um jederzeit wieder nachlesen zu
können.
Vous voici l'heureux propriétaire d'un Ordinateur de Plongée
SEIKO Cal. DH33. Pour en obtenir d'excellentes performances,
veuillez lire attentivement les explications de ce livret avant d'utiliser
cet appareil SEIKO. Conservez cette brochure de manière à pouvoir
la consulter au besoin.
Grazie per aver acquistato questo orologio computer per
immersioni, SEIKO Cal. DH33. Per ottenere i migliori risultati
leggere attentamente le istruzioni di questo libretto prima di
passare all'uso del computer stesso. Tenere poi il manuale a
portata di mano, per ogni eventuale futura, ulteriore consultazione.
Cal. DH33
2)
INSTRUCCIONES
INSTRUÇÕES
!
Usted es ahora un orgulloso propietario de un Ordenador de
Buceo Cal. DH33 SEIKO. Para los mejores resultados, por favor,
lea cuidadosamente las instrucciones de este librillo antes de
utilizar su Ordenador de Buceo Cal. DH33 SEIKO. Le rogamos que
guarde este conveniente manual para pronta referencia.
Você pode sentir-se orgulhoso de ter adquirido um SEIKO
Computador de Mergulho Cal. DH33. Para obter dele os resultados
máximos, solicitamos-lhe que, antes de usar o seu SEIKO
Computador de Mergulho, leia atentamente as instruções contidas
neste opúsculo. E guarde este manual para referências futuras.
(P. 118)
(P. 146)
(174
)

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Summary of Contents for Seiko DH33

  • Page 1 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.
  • Page 2: Warning

    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...
  • Page 3 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.
  • Page 4: Precautions For Diving

    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 ●...
  • Page 5: Table Of Contents

    CONTENTS Page WARNING ..............PRECAUTIONS FOR DIVING ........19.4 m x 1.03/1.00 20.0 m (66 ft) FEATURES ..............BUTTONS AND DISPLAY CHANGE ......AFTER DIVING HOW TO USE TIME FUNCTIONS ......■ TIME/CALENDAR FUNCTION ......... ● Be sure to rinse the watch in fresh water, and wash out all TIME/CALENDAR SETTING ..........
  • Page 6: Features

    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...
  • Page 7: Buttons And Display Change

    BUTTONS AND DISPLAY CHANGE ● 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. Press button TIME/CALENDAR function REGULAR ALARM function...
  • Page 8: How To Use Time Functions

    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. after a dive. * The digits move quickly by keeping the button pressed. Press to show TIME/CALENDAR display.
  • Page 9: Regular Alarm Function

    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.
  • Page 10: Illuminating Light

    HOW TO USE TIME FUNCTIONS ■ ILLUMINATING LIGHT ● How to stop the regular alarm Press in the displays other than DIVE PLAN and The regular alarm rings at the designated time for 20 seconds DIVE LOG to turn on the illuminating light. and stops.
  • Page 11: Hour Correction Function

    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. ●...
  • Page 12: How To Use Dive Computer Functions

    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 ●...
  • Page 13 HOW TO USE DIVE COMPUTER FUNCTIONS Notes: 1. For 10 minutes after a dive, FO setting cannot be made. 2. If the watch is left untouched in the FO SETTING display, the display will automatically return to the FO in 1 to 2 minutes. When the nitrox mark “Nx”...
  • Page 14: Altitude Compensation

    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 (°...
  • Page 15: Dive Plan Function

    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 FO accordingly and set the unit of depth as required. ●...
  • Page 16: Dive Function

    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. ●...
  • Page 17 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 ●...
  • Page 18 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.
  • Page 19: Display After A Dive

    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: Current depth •...
  • Page 20: Dive Log Function

    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.
  • Page 21 HOW TO USE DIVE COMPUTER FUNCTIONS WARNINGS SHOWN IN DIVE LOG DISPLAY Indication Warning Description Ascent rate warning It appears if the rate of ascent has exceeded the specified value two times in a row. (flashing) Decompression It appears if you have exceeded no-decompression limit and have made a decompression stop.
  • Page 22 HOW TO USE DIVE COMPUTER FUNCTIONS When more than 30 dives are made: ● If a new dive is made when log data of 30 dives are stored ▼ in memory, the log data for the oldest dive is erased from memory and the data for the new one is recorded in Press and hold at the same time.
  • Page 23: Use Of Terms In This Manual

    USE OF TERMS IN THIS MANUAL DEFINITION OF THE TERMS AND BASIC DESIGN OF THE WATCH Terms Definition and basic design of the watch Terms Definition and basic design of the watch Depth The watch measures the depth of water Surface The watch measures the time spent on the from 1.5 m (5 ft) up to 99.9 m (328 ft) in 0.1 m...
  • Page 24: Explanation Of The Terms

    EXPLANATION OF THE TERMS Terms Explanation Terms Explanation The pressure sensor measures the The maximum time during which the diver Altitude No-de- atmospheric pressure at regular intervals, can stay at the current depth or in the selected rank compression and the watch indicates the altitude rank in depth rank without decompression limit (NDL) four levels from 0 to 3.
  • Page 25 EXPLANATION OF THE TERMS Terms Explanation Terms Explanation The time period during which the diver Current The watch measures the water temperature every minute in 0.1° C (1° F) increments from should stay at the decompression stop depth. water compression -5.0°...
  • Page 26: Battery Change

    The work of replacing the battery is conducted at a cost. For battery replacement, we recommend SEIKO SERVICE CENTER. For safety’s sake, the watch will also that you contact an AUTHORIZED SEIKO DEALER undergo a strict check on its water resistant quality and depth measurement function in addition to battery replacement.
  • Page 27: To Preserve The Quality Of Your Watch

    2 to 3 years. Have your watch checked by 2 - 3 Temperatures over 60° C (140° F) or below –10° an AUTHORIZED SEIKO DEALER or SERVICE -10°C Years C (+14° F) may cause a slight time loss or gain or CENTER to ensure that the case, buttons, gasket battery leakage or shorten the battery life.
  • Page 28: Troubleshooting

    TROUBLESHOOTING Problem Possible cause Solution The display became blank. The battery has run down. Take the watch to the retailer from whom it was purchased immediately for battery replacement. ** The battery life indicator is shown. The battery is nearing its end. The battery life indicator is flashing.
  • Page 29: Specifications

    5 Display medium ......Nematic Liquid Crystal, FEM (Field Effect Mode) 4 Display system 6 Battery ........SEIKO CR2032, 1 piece TIME/CALENDAR display ..Hour, minutes, seconds, month, date, and day [surface interval time 7 Battery life ......... Approx. 3 years and desaturation time] 8 Illuminating light ......

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