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Zeagle N2iTion3 Owner's Manual

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Dive Computer
N2iTion3
Owner's Manual

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Summary of Contents for Zeagle N2iTion3

  • Page 1 Dive Computer N2iTion3 Owner’s Manual...
  • Page 2 It is not intended for use by persons who lack the qualifications, and thus may not be able to identify, assess, and manage the risks scuba diving entails. Use of the N2iTion3 in conjunction with Enriched Air Nitrox (EANx) further requires that the diver be trained and certified for Nitrox diving.
  • Page 3 Neither the N2iTion3, nor any dive computer or table, can guarantee that you will not suffer decompression illness. Even though you use these items correctly, you may still suffer DCI. Do not rely on the N2iTion3 as your sole means of avoiding decompression sickness.

  • Page 5: Table Of Contents

    Table of Contents Common Sense Warnings Introduction Operating Gas Theory Buttons and Display Icons Device Tolerances and Limits Pre-Dive Functions In-Dive Functions Repetitive Dive Functions Dive Log Mode 10. Dive Profile Mode Dive History Mode 12. PC Transfer Mode 13. Resetting 14.

  • Page 7: Common Sense Warnings

    N2iTion3 . This dive computer is for recreational use and not for professional use. Though the unit will allow use with up to 3...

  • Page 8: Operating Gas Theory

    Operating Gas Theory This dive computer performs decompression diving calculations using 12 compartment algorithms developed by Mr. C. Randy Bohrer based on Swiss-model theory and research. It is intended for use by individuals who have completed a recognized scuba diving course. Persons who have not taken scuba diving training or who are not aware of the risks of scuba div- ing should not use this unit.
  • Page 9 N2iTion3 to your local authorized Zeagle dealer for battery replace- ment, or replace the battery yourself following the procedure outlined later in this manual. Before replacing your N2iTion3 ’s battery, be sure to upload or copy all dive log data to your log book, as the battery replacement pro-...
  • Page 10 Time Mode and Plan Mode (In Dive Log Mode the rank of the dive is displayed.) Altitude Rank Altitude Range 0-900m (0-2952ft) 600-1800m(1968-5904ft) 1500-2600m(4920-8528ft) 2300-6000m(7544-19680ft) Over 6000m(over 19680ft) WARNING N2iTion3 is not intended for use at altitudes above 19680 ft (6000 m). Diving at high altitudes carries an increased risk of decom- pression sickness.
  • Page 11 To access other modes you may need to push one of the three large but- tons on the N2iTion3 ’s face. These are the A (LEFT), B (MODE), and C (RIGHT) buttons. The E (TOP) button is the water sensor.

  • Page 12: Device Tolerances And Limits

    Device Tolerances and Limits Accuracy • Time: average monthly variance ±30 seconds • Depth: ±3%+0.5m (±1%+2ft) • Temperature: ±2.0°C (±4°F) Measurement Range • Depth: 0.0-99.9m(0.0-328ft) (Uses saltwater as standard) Measurement interval of 1 second. • Dive time Dive Mode: 0-599 minutes Gage Mode: 0-1199 minutes •...
  • Page 13 OFF and the N2iTion3 moves to a lock condition. Out of measurement range lock In this mode the N2iTion3 is locked until 48 hours have elapsed. All display segments blink during time mode. The computer can’t move to dive plan mode, dive set mode or time set mode.

  • Page 14: Pre-Dive Functions

    Pre-Dive Functions N2iTion3 you will need to set the date and time. Before diving with your You can also set your FO2 for up to 3 mixes, depth alarm, dive time alarm, safety factor, water type, deep stop option, and profile interval.
  • Page 15 Time Set Mode You should set the correct current date and time before you use your N2iTion3 for the first time. Current Time Current Date Figure 2 Current Year (LEFT): Steps between setting minutes, hour, year, month, day, • 12/24 hour format.
  • Page 16 Dive Set Mode and Gage Dive Set Mode B (MODE) button To enter Dive Set mode from Compass mode press the once. Note: If the surface interval is less than 10 minutes the computer will not enter gage mode. In Set mode the following information is displayed: Dive Set Mode Do Not Fly Icon Maximum Depth of PO...
  • Page 17 • Profiling time: This setting is the sampling time used during the dive, it can be set to either 10 or 30 second intervals. • Maximum Depth Alarm: This alarm will generate a sound when it reaches the set depth. The setting range is 4-328 ft. (2-99 meters), and can be set in 1 foot increments.
  • Page 18 Operation of buttons during Dive Set and Gage Set mode. • :(LEFT) Selects the value you would like to set. • :(MODE) Moves to the next Mode. Hold B :(MODE) Moves to Time Mode. • • :(RIGHT) Changes the value of the current setting. Hold C :(RIGHT) Scrolls through values quickly.
  • Page 19 Setting Dive Time Alarm changes time value. • selects ON/OFF • toggles Time Alarm ON/OFF • continues to set Deep Stops • continues to Plan Mode. • Setting Deep Stops toggles Deep Stops ON/OFF • continues to set Water type •...
  • Page 20 During Gage mode certain functions are not available. The buttons used for the remaining functions are the same as in Dive Mode. The order of the functions is: Depth Alarm, Dive Time Alarm, Water Type, Profile Time. You cannot set MIX1, MIX2, MIX3, Deep Stops, or Safety Factor in Gage Mode.
  • Page 21 Dive Plan Mode To enter Dive plan mode from Time mode press the B (MODE) but- ton three times. Note: This mode cannot be entered while using Gage Mode. Operation of buttons during dive plan mode (LEFT) Decreases the depth rank. •...
  • Page 22 Time Mode Figure 6 Time mode is the N2iTion3’s default mode. In this mode the screen displays a minimum of the current date and time of day. Within 24 hours of surfacing from a dive, the N2iTion3 will display additional information while in Time Mode.

  • Page 23: In-Dive Functions

    The N2iTion3 will switch back to TIME mode after 48 hours. This information is recorded in the dive log. The N2iTion3 can only switch to log, profile, or PC transfer mode while the calculations have stopped.
  • Page 24 Dive Mode: The N2iTion3 will automatically enter Dive Mode when the E (TOP) buttons come in contact with water. Hold A (LEFT) To switch to Demand A or Demand B screens. • Hold B (MODE) To move to MIX Change.
  • Page 25 Default Mode warning: If the unit enters the water and no FO2 values have been set, the default mode alarm will sound and the display will blink. Remove the computer from the water and set at least one MIX value to clear default mode.
  • Page 26 Changing MIX during dive: Hold B • (MODE) key to change between MIX settings. The screen will display current MIX num- ber, FO2 setting, PO2 setting and non- decompression limit. NDL warning When the No-Decompression Limit time remaining reaches 3 minutes the alarm will sound and the NDL time will blink.
  • Page 27 If the PO2 equals or exceeds 1.6 ATA, the entire OLI graph blinks as well. Decompression Mode The N2iTion3 will automatically enter Decompression Mode if No- Decompression Limits are exceeded. Decompression Stop Warning: If the No-Decompression Limit is exceeded, the unit will enter decompres- sion mode.
  • Page 28 stops, when deeper than the deepest Deco Stop. The Deep Stop before the deepest Deco Stop takes effect at the next higher User Safety Factor. Deep Stops count as part of total dive time. The computer requires an ascent rate of 33ft (10m) per minute during deep stops. The top of the display will indicate the planned stop depth and time.
  • Page 29 Dive Compass mode: C (RIGHT) to move to Dive Compass mode. • Press The screen will display current heading, along with the dive time, PGT graph, OLI graph, dive time and depth alarm icons. Hold A (LEFT) to save or clear a heading in navigation mode.

  • Page 30: Repetitive Dive Functions

    Repetitive Dive Functions The N2iTion3 can calculate repetitive dives, tracking gas saturation and desaturation across all dives, and allowing you to use Plan Mode to plan your next dive based on your current pressure group and remaining de- saturation time. Because of this, never lend the computer to another diver after diving, until the Do Not Fly icon disappears and there is no Desat time displayed.
  • Page 31 • PGT (Pressure Gas in Tissue) graph: This indicates the level of Nitrogen with nine level indicators. • OLI (Oxygen Limited Indicator) graph: This indicates the level of Oxygen limit with eight level indicators. • Nitrox Icon: This Icon is ON when FO2 has been set to other than AIR (21%).

  • Page 32: Dive Log Mode

    Dive Log Mode Saved data from dives longer than 3 minutes can be displayed in this mode. Data is recorded during each successive dive, the log data storage capacity is about 59 hours of dive time (when the profile’s sampling time is set at 30 seconds).

  • Page 33: Dive Profile Mode

    • Average depth: based on number of profile entries. • Maximum depth: deepest point reached during dive. • Water temperature: temperature at maximum depth. from 23F to 104F (-5C to 40C). Display will read ‘Lo’ or ‘Hi’ if out of range. •...

  • Page 34: Pc Transfer Mode

    PC Transfer Mode PC Transfer mode allows you to copy the saved information in the N2iTion3 to a PC, using an additional connector and software. PC Transfer Mode cannot be entered if surface time is less than 10 minutes, if there is no Log data, or if an EEPROM error has occurred.

  • Page 35: Care And Cleaning

    If impaired, it may cause the display of incorrect altitude or depth data. The N2iTion3’s Liquid Crystal Display (LCD) may darken if left in a hot environment (such as a car dashboard). It will return to normal once cooled;...

  • Page 36: Battery Replacement

    Remove the battery and inspect the compartment for signs of corrosion or water. If you find signs of corrosion return the computer to your au- thorized ZEAGLE dealer. Replace the old battery with a new one, taking care that the polarity is correct.

  • Page 37: Accessories

    Accessories TheN2ition3 can work with any gear configuration using these N2ition accessories. N2ition3 SPG Console Do you prefer your computer mounted to your console? The N2ition easily detaches from the included wrist strap and inserts to a traditional hose mounted console.
  • Page 38 Works well with both wet suits and dry suits. N2iTion3 PC Download Kit Used to download dives to a PC running Windows Vista, XP, or 2000.
  • Page 39 N2iTion3 Screen Protector The Zeagle N2iTion3 Screen Protector clips over the face of the computer protecting the screen from getting scratched or nicked. The screen protec- tor allows for a small space between the computer face and the screen protector, which facilitates adequate rinsing.

  • Page 40: Warranty

    This limited warranty shall be void if the product has been modified, or if repairs are performed by anyone other than an authorized ZEAGLE dealer (except in the event of a battery change, as outlined in this manual).
  • Page 41 Zeagle expressly limits any and all dive computer warranties, expressed or implied, to the two year term as set forth above. All remedies are waived unless claim is made within the applicable twenty- four (24) month period.
  • Page 42 Notes: The date of purchase, dive store and contact information at the store should be written on this page. A copy of the receipt could also be stapled to this page for future records.
  • Page 44 © 2009 Zeagle Systems, Inc. Rev. E 04/2009...

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