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LONG LIFE

BATTERY

HIGH CONTRAST

DISPLAY

EASY ACCESS

MENU

WIDE DIAMETER

INSTRUCTION

MANUAL

NEPTO

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Summary of Contents for NEPTO

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

Page 2: ...ave fully understood the use functions and limits of your device before using it Do NOT use the device until you have read this instruction manual in its entirety IMPORTANT this device must be considered a aid to your dive and does not replace the use of dive tables I DANGER NO DIVE COMPUTER CAN EVER FULLY PROTECT AGAINST THE RISK OF DECOMPRESSION SICKNESS EMBOLISM IT MUST BE CLEAR THAT AN UNDERWA...

Page 3: ...ssion sickness FREEDIVES WARNING Freediving safety depends on the rational abilities of each person to use their theoretical and practical knowledge sensibly and prudently to avoid accidents This device must only be considered a freediving aid for people who have diligently prepared for the risks that this activity entails Therefore it must only be used by divers who are fully trained in both the ...

Page 4: ...with a buddy who is ready to help if needed WARNING Currently there is no corroborated scientific literature with a full understanding of what causes Taravana This means that it s important to your health to avoid deep freedives at a sustained pace for many hours with only brief surface intervals Do not dive if you are not in perfectly normal health and make sure you stay hydrated and maintain a r...

Page 5: ... through the various menus and adjust increments upward Long press this button to enter the various menus and confirm selections When long pressed in the time stopwatch or dive functions this button turns on the backlight DOWN Button ESC short press this button to scroll through the various menus and adjust increments downward Long press the button to exit the various menus Long pressing this butt...

Page 6: ...FREEDIVE NO FLY TIME COUNTDOWN TOP DATE AND TIME DISPLAY 2nd TIME 2nd TIME CHOOSE THIS MODE TO SAVE BATTERY ECO PRESS long press TO CHANGE DISPLAY INFORMATION ESC From the TOP menu use the UP DOWN buttons to scroll through the screens in the main menu ...

Page 7: ... START STOP LAP RESET TIME HOURS MIN SEC ESC TO RETURN Press ESC 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 The stopwatch will be ...

Page 8: ... Press SEL and then UP DOWN to change the parameter Press the SEL button until you hear the confirmation beep Press ESC to exit the function NOTE If you exit the Timer function while it is running the countdown will continue in the background Starting the Timer Press UP DOWN to start stop the timer When the timer is stopped press DOWN to return the timer to the starting point At the end of the cou...

Page 9: ...unctions with the UP DOWN buttons Timer phase 1 PH 1 seconds Timer phase 1 PH 1 minutes Timer phase 2 PH 2 seconds Timer phase 2 PH 2 minutes Set the number of cycles CL 00 99 Set cycle count direction Press SEL to enter the submenus and use UP DOWN to adjust their values Press ESC to exit the Dual Timer settings After having sent the Dual Timer press the UP DOWN buttons to start or stop the count...

Page 10: ...ver you don t want to record dives to your computer OFF mode also helps extend the life of the battery Confirm the mode you want by pressing SEL until you hear the confirmation beep Press the ESC button to return to the main menu WARNING If your dive computer is in OFF mode we recommend that you unlock it before each dive For safety reasons the computer will remain locked even during the dive and ...

Page 11: ...w the day month and year of the dive The middle line shows the start time Press the SEL button to display data for the freediving session selected SESSION MENU The session menu consists of two pages Page 1 shows The total session time SESS DIVE SURF min The maximum depth reached during the dive MAXDEPTH m FT The number of the page you are viewing P 1 2 The total number of dips in the session D dip...

Page 12: ...ious dive and the current one SURF T the maximum speed of the dive UP DOWN shown alternately as up or down triangle m min or ft min the maximum dive depth MAX DEPTH m ft the dive time DIVE TIME the number of the dive selected D 01 Short press the UP DOWN buttons to scroll through dives in the session Press ESC to return to the sessions menu Press ESC again or long press 3 sec to return to the main...

Page 13: ...ngs are Adjusting the Taravana protection algorithm TARAV setting the warm up dive BLOODSH surface time warning SURF T depth alarms DEPTH AL1 AL2 AL3 AL4 AL5 dive time warning DIVE T depth interval alarm STEP hydration notification HYD water salinity adjustment WATR Logbook sampling frequency LOG SAM Taravana protection level TARAV Be setting the Taravana protection level you will change the amoun...

Page 14: ...epth reached the dive profile and the temperature of the water The bottom line on the display will show a countdown along with the flashing word RECOVERY which tells the freedriver how much recovery time remains on the surface to avoid the risk of Taravana If the freediver should begin diving again before the count is over thus violating the recovery time indicated the TRV Time Ratio Violation ico...

Page 15: ...logical condition The depth that can be set varies from 30m 98 ft to 120m 393 ft in increments of 5 m 16 ft The watch factory setting is OFF As an example if the function is set to 50 m 164 ft the watch will display the BLOODSHIFT icon while at the same time showing a series of three warm up dives the first 1 BLOODSHIFT to 5m 16 ft the second 2 BLOODSHIFT to 10m 33 ft the third 3 BLOODSHIFT to 25m...

Page 16: ...ert the diver that the surface time has been exceeded and the surface time shown on the display will begin to flash The setting can be based on time elapsed from 1 00 a 10 00 in increments of 30 Press SEL to enter the function then UP DOWN to set the desired depth and finally SEL to confirm Press ESC to exit the function SEL ESC SEL ESC ...

Page 17: ... 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 Press SEL to enter the function then UP DOWN to set the desired depth and finally SEL to confirm Press ESC to exit the function SEL ESC SEL ESC ...

Page 18: ...es 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 Press SEL to enter the function then UP DOWN to set the desired depth and finally SEL to confirm Press ESC to exit the function SEL ESC SEL ESC ...

Page 19: ...al 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 Press SEL to enter the function then UP DOWN to set the desired depth and finally SEL to confirm Press ESC to exit the function SEL ESC SEL ESC ...

Page 20: ...ing of the freedive 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 Press SEL to enter the function then UP DOWN to set the desired depth and finally SEL to confirm Press ESC to exit the function SEL ESC SE...

Page 21: ...d to adjust the depth measurement depending on the salinity of the water Set Salt for salt water or Fresh for fresh water Press SEL to enter the function then UP DOWN to set the desired depth and finally SEL to confirm Press ESC to exit the function SEL ESC SEL ESC ...

Page 22: ...t fewer sessions can be displayed You can set a sampling time of 2 1 or 0 5 seconds If sampling every 2 seconds up to 32 hours of diving can be saved If sampling every second up to 16 hours can be saved If sampling every 0 5 seconds up to 8 hours can be saved 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...

Page 23: ... Press UP DOWN to move to the hours or minutes The unit selected will flash Press SEL and then UP DOWN to change the parameter To confirm press and hold SEL until you hear the confirmation beep Press ESC to exit the function Date time setting From the AL OFF screen press UP DOWN until the unit you want to change begins to flash Press SEL to view the individual unit and then use the UP DOWN buttons...

Page 24: ...nterface to a USB port on the PC MAC available on the site Access NEPTO s PC function by pressing SEL from the SYSTEM menu Place the interface on NEPTO making sure that you can see the letters PC in the window as shown here NEPTO can interface with a mobile device with the following specifications Operating system iOS Android Follow this procedure to connect the two computers Install the Cressi so...

Page 25: ...he dive history which cannot be reset The first line shows the total number of hours used diving Hxxx The second line show the maximum depth reached over the life of the watch INFO DIVE HISTORY MEMORY The INFO screen provides system information The first line shows the serial number Sn xxxxx The second line shows the firmware version xxx and the number of battery changes by the user The watch come...

Page 26: ...en The TIDE screen also shows whether the tide is rising or falling Tide indicator setting From the TIDE screen press SEL OFF will flash on the display Press UP DOWN to move to ON and press SEL to enter the tide settings Then set the time for the next high tide hours and minutes using the UP DOWN buttons and then press SEL to confirm Press ESC to exit the TIDE screen SEL ESC TIDE SET ESC TO RETURN...

Page 27: ...th SURE below it Press UP DOWN to move from NO to YES and then immediately long press SEL for five seconds A countdown from five will begin When it reaches zero the display will turn off To exit SLEEP mode simply press one of the two buttons briefly NOTE Cressi NEPTO keeps time in SLEEP mode WARNING Do not begin a freedive session when NEPTO is set to SLEEP mode SLEEP MODE SEL ESC SWITCH TO YES AN...

Page 28: ...N IS TO SHOW DIVE TIME AND SURFACE TIMES DEPTHS AND THE RELATIONSHIP AMONG THESE THE INFORMATION PROVIDED TO THE DIVER IS MERELY DATA AND IT BECOMES SAFETY INFORMATION ONLY ONCE IT HAS BEEN EX AMINED AND PROCESSED BY THE HUMAN MIND THEREFORE SOL ID AND THOROUGH THEORETICAL PREPARATION IS RECOMMENDED WHILE DIVING Once you pass 1 2 meters in depth Cressi NEPTO enters dive monitoring mode showing the...

Page 29: ...u can press SEL and then UP DOWN to consult the data on dips taken in the session Press ESC to exit the SURFACE LOG function The fifth page SET offers a DIVE SET menu for the session in which you can set the following alarms surface time warning SURF T depth alarms DEPTH AL1 AL2 AL3 AL4 AL5 dive time warning DIVE T and depth interval alarm STEP Refer to the DIVE SET section for these settings To e...

Page 30: ... use of a high contrast display CARE AND MAINTENANCE Cressi NEPTO has been designed and manufactured to operate in de manding conditions with intensive diving use You should remem ber that it is a precision instrument and deserves appropriate care It is good practice to avoid strong blows shield it from excessive heat al ways rinse it in fresh water after use dry it carefully and never put it away...

Page 31: ...ition of the battery and its compartment If you see any traces of corrosion resulting from leaks con tact an authorized Cressi center to have the device overhauled If everything appears in good condition remove the battery from its housing by holding the computer face down Replace the battery checking the correct polarity incorrect polarity may damage the device Before closing the cover check that...

Page 32: ...rized service center ac cording to their exclusive judgment will remove any defect in terms of material design and workmanship free of charge by means of repair or replacement of the product according to this limited warranty This limited warranty is valid and effective exclusively in the country where the product was purchased provided that Cressi has offered the product for sale in that country ...

Page 33: ...ubject to notification to Cressi or to a Cressi authorized service center of the alleged defect within a reasonable time from its observation but not beyond the expiry of the warranty period Based on this limited warranty any claim must include the buyer s name and address the proof of purchase which shall clearly indicate the name and address of the seller the date and place of purchase and the t...

Page 34: ...ENGLISH 34 Notes ...

Page 35: ...ENGLISH 35 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 REV 01_2021_P P 1975 ...

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