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Oceanic versa Operating Manual
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Oceanic versa Operating Manual

Oceanic versa Operating Manual

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Summary of Contents for Oceanic versa

  • Page 1 operating manual...

  • Page 2: Decompression Model

    DECOMPRESSION MODEL The programs within the Versa simulate the absorption of nitrogen into the body by using a math- ematical model. This model is merely a way to apply a limited set of data to a large range of experi- ences.
  • Page 6 Your Versa presents the information that you need before, during, and after your Air dives using a combination of easy to read displays and identification icons. This instruc- tional guide is intended to help you become familiar with the functions and features avail- able and show you examples of displays that you could expect to see in the various op- erational modes.
  • Page 7 The TLBG (Fig. 2a) represents tissue loading of nitrogen, showing your relative no decompression or decompression status. As your depth and elapsed dive time increase, seg- ments add to the TLBG, and as you ascend to shallower depths, they will begin to recede, indicating that additional no decompression time is allowed for multilevel diving.
  • Page 8 Each numeric and graphic display represents a unique piece of information. It is imperative that you understand the formats, ranges, and values of the information represented to avoid any pos- sible misunderstanding that could result in error. • During a dive, the Current Depth display (Fig. 3a), in- dicates depths from 0 to 330 feet (99.9 meters) in 1 foot (.1 meter) increments.
  • Page 9 (non-blinking) when times are calculated projections (e.g., Time to Fly). The Versa utilizes one (1) type CR 2450 Lithium 3 volt cell that should provide 300 hours of continuous, or 50 activation periods, of operation. If you conduct 1 dive each time the unit is activated, you should obtain approximately 50 dives.
  • Page 12 To Activate the Versa press and release the Button. As a backup, the Versa will also automatically activate by water contact. This is accom- plished by bridging the gap between contacts located on the Button stem and back of the case.
  • Page 13 Immediately after completing its' Diagnostic check, the Versa will automatically scroll through the following Sequence -- • Time of Day (displayed for 3 seconds), then - • Surface Mode (displayed for 3 seconds), then - • Time to Fly (displayed for 3 seconds only after a dive is made, see page 31), then - •...
  • Page 14 The PDPS provides a sequence of theoretical dive times avail- able for depths ranging from 30 feet (9 meters) to 160 feet (48 meters) in 10 foot (3 meter) increments. No decompression times are only displayed for depths where there is at least 3 minutes of theoretical dive time available at the depth, taking into account a descent rate of 120 feet (36 meters) per minute.
  • Page 15 You can set: • Units of Measure (Imperial or Metric) • Hour Format (12 or 24) • Time of Day (Hour and Minute) • Water Activation (On or Off) • External Access (this is for factory use only) To Access Set Mode and enter Settings: While the unit is scrolling through the Surface Sequence - •...
  • Page 16 To change the setting for Hour Format (Fig. 11) - • Press the Button momentarily and release to toggle be- tween 12 and 24. • Press and Hold the Button for 2 seconds to save the set- ting, release when Am (or Pm) and the Time of Day ap- pear with the Hour value flashing.
  • Page 17 To change the setting for Water Activation (Fig. 13) - • Press the Button momentarily and release to toggle be- tween ON and OFF. • Press and Hold the Button for 4 seconds to save the set- ting, release when Am (or Pm) and the Time of Day ap- pear with the colon flashing.
  • Page 18 To access Set Mode from the Surface Sequence, press the Button for 2 seconds. To set Units of Measure - press and release the button to toggle between FEET/METERS. • To save the setting - press the button for 2 seconds. To set Hour Format - press and release the button to toggle between ON/OFF.
  • Page 20 As your depth and elapsed dive time increase, the Tissue Loading Bar Graph (TLBG) will fill with segments (green toward red) to represent the absorption of nitrogen (Fig. 15a). While ascending to shallower depths, the segments that have filled the TLBG will begin to recede, offering a graphic representation of your multilevel diving capability.
  • Page 21 The diver can access another display, but it will automati- cally revert to the Main Display after 3 seconds. The Versa will enter the No Decompression Dive Mode when you descend deeper than 5 feet (1.5 meters). Information includes Current Depth, Dive Time Remaining (and Mode icon), and the Bar Graphs.
  • Page 22 (and Mode icon), Time of Day, and the Bar Graphs. • Press and release the Button to view Display #1. The Versa is designed to help you by providing a representa- tion of how close you are to entering decompression. De- compression Dive Mode activates when theoretical No De- compression time/depth limits are exceeded.
  • Page 23 The amount of decompression credit time that you receive is dependent on Depth, with slightly less credit given the deeper you are. You should stay slightly deeper than the Re- quired Stop Depth indicated until the next shallower Stop Depth appears. Then, you can slowly ascend to, but not shallower than that indicated ceiling Stop Depth.
  • Page 24 Time, and the applicable Bar Graphs. • Press the Button to view Display #1. Violation Modes that the Versa can enter are termed - Condi- tional, Delayed, and Immediate. Permanent Violation Mode and Gauge Mode are continuations of these.
  • Page 25 Bar Graphs. If you descend below the required decompression ceiling be- fore 5 minutes have elapsed, the Versa will continue to func- tion in Decompression Dive Mode. In this case, no off-gas- sing credit will be given, and for each minute above the ceil-...
  • Page 26 Required Stop Depth. This is a continua- tion of a Conditional Violation. The Versa cannot calculate decompression times for Stop Depths much greater than 60FT (18M) and offers no indica- tion of how much time spent underwater would result in the need for a greater Stop Depth.
  • Page 27 Gauge Mode during the remainder of that dive and for 24 hours after surfacing. Gauge Mode turns the Versa into a digital instrument with- out any decompression or oxygen monitoring functions. Only Current Depth, Max Depth, Elapsed Dive Time, and the Variable Ascent Rate Indicator will be displayed (Fig.
  • Page 28 • Alternate displays are not available while in Gauge Mode. The Versa will also enter an Immediate Violation Mode 5 minutes after reaching the surface from a dive in which a Delayed Violation occurred. On the surface, Gauge Mode displays the Dive Number, Surface Interval, and the full Tissue Loading Bar Graph flash- ing (Fig.
  • Page 30 When you ascend to 3 feet (1 m) or shallower, the unit will enter Surface Mode and begin counting your surface inter- val. The first 10 minutes is, in affect, a Transition Period during which time the following information is displayed (Fig. 30): •...
  • Page 31 Log Data will not be stored in the unit's memory until the 10 minute Transition Period on the surface is completed. Once 10 minutes have elapsed, the Surface Mode icon and Surface Interval time display colon stop flashing indicating that the Dive and Transition Period are completed, and a subsequent descent will be considered a new dive.
  • Page 32 • If a violation occurred during the dive a single dash ( - ) will appear instead of the letters FLY (Fig. 33). The Time to Fly counter is provided to assist you with decid- ing when enough surface time has elapsed to fly (or travel to higher elevations).
  • Page 33 Dives are displayed in a reverse sequence that starts with the dive most recently recorded, back to the oldest of the dives stored. The most recent dive will always be the first shown in the sequence. Each dive has 2 Log screens - Dive Number/ Time of Day started and Dive Data.
  • Page 34 Dive Data (the second screen) includes (Fig. 36) - • Log Mode icon • Maximum Depth - reached during the dive (and icon) • Surface Interval - prior to that dive (and icon) • Elapsed Dive Time (and icon) • Variable Ascent Rate Indicator - showing the maximum ascent rate maintained for 4 consecutive seconds during the dive.
  • Page 36 2 hours, then automatically reactivate again, repeat- ing the action until cleaned and dried. Protect your Versa from shock, excessive temperatures such as the trunk of a car during a hot day, chemical attack, and tampering. Protect the lens against scratches with a transpar- ent Instrument Lens Protector.
  • Page 37 The costs of annual inspections are not covered under the terms of the 2 year limited warranty. It is possible to damage the depth sensor of the Versa if it is not pressure tested properly. Ensure that your Versa is never...
  • Page 38 Oceanic Regional Service Facility, or to Oceanic. • Prior to returning the Versa to the factory, obtain an Re- turn Authorization (RA) number from Customer Service. • Non-warranty service must also be prepaid (call for an estimate).
  • Page 39 The battery compartment should only be opened in a dry and clean environment with extreme care taken to prevent the entrance of moisture or dust. As an additional precautionary measure to prevent formation of moisture in the battery compartment, it is recommended that the battery be changed in an environment equivalent to the local outdoor temperature and humidity (e.g., do not change the battery in an air conditioned environment then...
  • Page 40 • If there is any sign of moisture in the module, DO NOT use the Versa until it receives proper service by an Autho- rized Oceanic Dealer, or the Oceanic factory. • Locate the Battery Compartment on the back of the Hous- ing.
  • Page 41 • Remove the Retaining Bar located across the lower por- tion of the Battery (Fig. 45a). • Remove the Hatch O-ring. DO NOT use tools • Using care not to damage the Battery Contacts (Fig. 45 b/c), slide the Battery up and out of the right side of the Battery Compartment.
  • Page 42 Battery and carefully push it down into position (Fig. 46). • Replace the Hatch O-ring with new. This O-ring must be a genuine Oceanic part that can be purchased from an Authorized Oceanic Dealer. Use of any other O-ring will void the warranty.
  • Page 43 Ring (Fig. 49). • Activate the Versa and watch carefully as it performs a full diagnostic and battery check, and enters Surface Mode. Observe the LCD display to ensure it is consis-...
  • Page 44 • DO NOT use tools or lubricants, doing so could damage the module or boot. • Hold the Module over the Boot (both facing you). • Slide the lower/front portion of the Module down into the cavity of the Boot (Fig. 51). •...

  • Page 49: Service Record

    SERVICE RECORD...
  • Page 50 2002 Davis Street San Leandro, CA 94577 Phone: 510/562-0500 Fax: 510/569-5404 Web: http://www.OceanicWorldWide.com Doc.no.12-2281-r03 7/10/01...