Cressi NEPTO Instruction Manual
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Cressi NEPTO Instruction Manual

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NEPTO
INSTRUCTION
MANUAL
LONG LIFE
HIGH CONTRAST
WIDE DIAMETER
EASY ACCESS
BATTERY
DISPLAY
MENU

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Summary of Contents for Cressi NEPTO

  • Page 1 NEPTO INSTRUCTION MANUAL LONG LIFE HIGH CONTRAST WIDE DIAMETER EASY ACCESS BATTERY DISPLAY MENU...

  • Page 2: Main Specifications

    ENGLISH Congratulations on your purchase of your NEPTO dive computer, a sophisticated GENERAL WARNINGS AND SAFETY RULES and complete instrument, made to guarantee you the utmost safety, efficiency, IMPORTANT: please read the instructions! Read this instruction manual and reliability. carefully, including the sections on safety rules. Make sure that you have fully MAIN SPECIFICATIONS.
  • Page 3 This device must only be considered a freediving aid for people who IMPORTANT: The NEPTO computer by Cressi is designed for recreational have diligently prepared for the risks that this activity entails. Therefore it must diving only.
  • Page 4 NOTE: when you fly, carry the device in the pressurized cabin with you. Cressi reserves the right to modify the instrument without advance notice in accordance with continuing technological updates to its components.

  • Page 5: Computer Control

    - top menu - chrono mode - free mode COMPUTER CONTROL HOW THE NEPTO COMPUTER-WATCH WORKS Watch function NEPTO features an intuitive circular menu with multiple levels. SCROLL DOWN (short press) • decrease one step Functions of the buttons (long press)
  • Page 6 ENGLISH WATCHFACE POST ACTIVITY 2nd TIME AFTER FREEDIVE DATE AND TIME DISPLAY PRESS (long press) TO CHANGE DISPLAY INFORMATION CHOOSE THIS MODE TO NO FLY TIME 2nd TIME SAVE BATTERY COUNTDOWN MAIN MENU From the TOP menu, use the UP /DOWN buttons to scroll through the screens in the main menu:...
  • Page 7 ENGLISH CHRONO Press to exit the LAP function. Press the DOWN button (when the stopwatch is stopped) to reset the stopwatch. The first line on the display will show the current time, and the stopwatch hours. The central line shows the stopwatch minutes, seconds, and tenths of a second. The tenths are only displayed for the first ten minutes.

  • Page 8: Timer (Countdown)

    ENGLISH TIMER (COUNTDOWN) Setting the Timer From the screen press Press UP /DOWN to move to seconds, minutes, or hours. The unit selected will flash. Press and then UP /DOWN to change the parameter. Press the button until you hear the confirmation beep. Press to exit the function NOTE: If you exit the Timer function while it is running, the countdown will...
  • Page 9 ENGLISH DUAL TIMER (DUAL-T) Press to enter the submenus and use UP /DOWN to adjust their values. This function is specifically for training, such as when performing repetitive exer- Press to exit the Dual Timer settings. cises with rest intervals. It consists of two timers, PHASE 1 and PHASE 2, which alternate.
  • Page 10 ENGLISH MODE SET (MODE-S) This function lets you choose the mode you want to use. To enter this function from the MODE-S menu, press the button. The first line will show the word SET and will show the mode that is currently selected (flashing).

  • Page 11: Session Menu

    The session menu consists of two pages: Page 1 shows: NEPTO's memory can store up to 32 profile hours with a frame rate of two • The total session time, "SESS" (DIVE+SURF min) seconds. • The maximum depth reached during the dive, "MAXDEPTH" (m/FT)
  • Page 12 ENGLISH DIVE MENU Press from the dive menu for the selected session. Press UP /DOWN to scroll through the record of individual dives. The screen will display: • the surface time elapsed between the previous dive and the current one (SURF.T) •...
  • Page 13 Be setting the Taravana protection level, you will change the amount of recovery time suggested to reduce the risk of Taravana. The coefficient can be set to eight different levels, L1-L8. You can also set the coefficient to OFF; in this event the watch will not provide any advice on recovery times. NOTE: NEPTO is set to level L1 in the factory. Press...
  • Page 14 WARNING: It must still be specified that the CRESSI NEPTO watch computer After each dive, the NEPTO watch computer will calculate the recovery time, taking is not intended for professional use, but exclusively for recreation. Freediving...
  • Page 15 ENGLISH Warm-up dives (BLOODSH) ACTIVITY This function is useful when you want to take a dive to a certain depth in order to 1° DIP reduce the risk of pulmonary edema. Many researchers suggest that at the root of freediving hemoptysis is an increase in pressure in the pulmonary capillaries.
  • Page 16 Surface time alarm (SURF-T) By activating this alarm, once the previously set time has elapsed, NEPTO will beep three times to alert the diver that the surface time has been exceeded and the surface time shown on the display will begin to flash.
  • Page 17 ENGLISH Depth alarm (DEPTH) When this alarm is on, NEPTO will beep three times when the diver exceeds the previously set depth. Cressi NEPTO features five different independent alarms: AL1, AL2, AL3, AL4, and AL5. The depth can be set from 10 m. (33 ft.) to 120 m. (394 ft.) in increments of 2 meters (6 ft).
  • Page 18 Dive time alarm (DIVE-T) When this alarm is on, once the time set previously has elapsed, NEPTO will beep three times to alert the diver that they have exceeded the dive time, and the time on the display will begin to flash. The time that can be set ranges from 0’10” to 6’00” in increments of 0’10”.
  • Page 19 Depth interval alarm (STEP) You can enable an alert every time you exceed a given depth interval. When you pass the value set, and its multiples, NEPTO will sound an audible alert. The interval can be set from 2 m. (6 ft.) to 25 m. (82 ft.) in increments of 1 m (3 ft).
  • Page 20 Once the set time has elapsed, NEPTO will beep three times to advise that the dive time has been exceeded, and the time and the HYDRATE icon will begin to flash. Short-press either of the two buttons to switch off the icon and restart the count.
  • Page 21 ENGLISH Water salinity setting (WATR) This function can be used to adjust the depth measurement depending on the salinity of the water. Set Salt for salt water or Fresh for fresh water. Press to enter the function, then UP /DOWN to set the desired depth, and finally to confirm.
  • Page 22 The hours can be split among different sessions. People who don't use an external interface can set the sampling time to OFF. In this case the NEPTO log will be able to show data for up to 90 freediving sessions.

  • Page 23: Alarm Clock Setting

    ENGLISH TIME SET (TIME-S) correcting the time and date Setting the second W (world) time From this screen, press to access the function for From the T2 screen, press correcting the time, date, alarm clock, and a second time zone if used. OFF will flash on the display.
  • Page 24 SYSTEM menu menu • Place the interface on NEPTO, making sure that you can see the letters • Place the interface on NEPTO, making sure that you can see the letters PC in the window, as shown here:...
  • Page 25 UNITS - SETTING METRIC/IMPERIAL UNITS OF MEASURE INFO - DIVE HISTORY MEMORY The NEPTO computer can make its calculations using either metric units (depths The INFO screen provides system information: expressed in meters and temperatures in °C), or Imperial units (feet and °F). To The first line shows the serial number, Sn xxxxx.
  • Page 26 ENGLISH TIDE (INDICATION OF TIDE LEVEL) TIDE-SET The TIDE screen indicates the tide level, using a wave-shaped icon with 4 levels Low tide will be shown with one wave, and high tide with four. When the tide indicator is active, the icon is visible on the main screen as well as the dive screen.

  • Page 27: Sleep Mode

    ENGLISH SLEEP MODE POWER SAVER MODE (SLEEP) Cressi NEPTO offers a power saver mode that's helpful for example when you're not using the watch for long periods. In this mode the display and the pressure sensor are disabled, significantly ex- tending the life of the battery.

  • Page 28: While Diving

    PRE-DIVE (FREE) WHILE DIVING The Cressi NEPTO watch is always ready for a dive, since it checks pressure every Once you pass 1.2 meters in depth, Cressi NEPTO enters dive monitoring 20 seconds. However, we strongly recommend that you enter PRE-DIVE mode mode, showing the following information: before you begin your dive.
  • Page 29 ENGLISH On the fourth page (LOG) you can press and then UP /DOWN SURFACE/POSTDIVE consult the data on dips taken in the session. When you return to the surface, the watch will enter surface time. Press to exit the SURFACE/LOG function. Surface mode offers...

  • Page 30: Use Of The Computer With Poor Visibility

    Cressi NEPTO has been designed and manufactured to operate in de- manding conditions with intensive diving use. You should remem- WARNING: After a freedive, the NEPTO watch will advise you not to fly for ber that it is a precision instrument and deserves appropriate care. It is 24 hours.

  • Page 31: Battery Replacement

    The time and date must be reset. To replace the If the NEPTO shows a steady battery icon, it is able to deliver all functions. Nev- battery, use a screwdriver to unscrew the two screws on the cover on the back ertheless, and especially if the watch computer will be used in a cold location, we of the device.

  • Page 32: Warranty

    European Union or in Iceland, Norway, Switzerland, or Turkey, and - 24-hour display. if Cressi originally intended the product to be sold in one of these countries, this BATTERY: limited warranty is valid and effective in all these countries.

  • Page 33: Warranty Period

    ENGLISH Warranty period for repair under warranty will be satisfied free of charge by Cressi or by a Cressi authorized service center, according to their exclusive judgment, and the product The warranty period starts from the retail purchase date by the first purchaser.
  • Page 34 ENGLISH Notes...
  • Page 35 ENGLISH Notes...
  • Page 36 Via G. Adamoli, 501 - 16165 GENOVA - ITALY TEL. +39 010 830.79.1 - FAX +39 010 830.79.220 info@cressi-sub.it - www.cressi.com...

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