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Aeris ATMOS 2, Operating Manual

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Aeris ATMOS 2 Operating Manual Download Page 90

90

CAN BE USED AS

• Air Computer

• Nitrox Computer

• Digital Depth Gauge/Timer

NO DECOMPRESSION MODEL

Basis:

• Modified Haldanean Algorithm

• 12 tissue compartments

Data Base:

• Diving Science and Technology (DSAT) - Rogers/

Powell

Performance:

• Tissue compartment halftimes (mins.) Spencer’s “M”

values

5, 10, 20, 40, 80, 120, 160, 200, 240, 320, 400, 480

• Reciprocal subsurface elimination

• 60 minute surface credit control for compartments

faster than 60 minutes

• Tissue compartments tracked up to 24 hours after

last dive

Decompression Capabilities:

• Decompression stop ceilings at 10, 20, 30, 40, 50, &

60 ft (3, 6, 9, 12, 15, & 18 m)

Altitude Algorithm:

• Based on NOAA tables

Oxygen Exposure Limits:

• Based on NOAA tables

OPERATIONAL MODES

• Activation/Diagnostic

• Surface

• Dive Planner

• Time to Fly Countdown

• Desaturation Countdown

• Dive Log (Date / Time, Nitrogen, & Oxygen)

• Reset (Clear)

• Set Mode 1:

•  FO2 (Air, 21 - 50% O2)

•  Max Depth Alarm (30 - 300 ft /10-99 m)

•  Elapsed Dive Time Alarm (0:10 - 3:00 hr:min)

•  PC Interface (to Download data)

• Set Mode 2:

•  Units of Measure (Imperial / Metric)

•  Hour Format (12 / 24)

•  Time (Hour, Minute)

•  Date (Year, Month, Day)

•  Audible Alarm / LED Warning (On/Off)

•  Max Nitrogen Bar Graph Alarm (1 - 8 segments)

•  Dive Time Remaining Alarm (0:00 - 0:20 min)

•  Max PO2 Alarm (1.20 - 1.60 ATA)

•  FO2 50% Default (On/Off)

•  Backlight Duration (0 / 3 / 7 sec)

•  Sampling Rate (2 / 15 / 30 / 60 sec)

•  Digital Gauge Mode (On / Off)

•  Water Activation (On / Off)

• Simulator (Demo) Mode

SPECIFICATIONS

Summary of Contents for ATMOS 2

Page 1: ...ATMOS 2 DIVE COMPUTER OPERATING MANUAL ...

Page 2: ...owing design features Dive Time Remaining U S Patent no 4 586 136 Data Sensing and Processing Device U S Patent no 4 882 678 and Ascent Rate Indicator U S Patent no 5 156 055 User Setable Display U S Patent no 5 845 235 is owned by Suunto Oy Finland DECOMPRESSION MODEL The programs within the ATMOS 2 simulate the absorption of nitrogen into the body by using a mathematical model This model is mere...

Page 3: ...FORMATIONAL DISPLAYS 11 Depth Displays 11 Time and Date Displays 11 Temperature Display 12 AUDIBLE ALARM 13 LED WARNING INDICATOR 14 BACKLIGHT 14 POWER SUPPLY 15 Battery Indicator 15 Low Battery Condition 16 FO2 MODE 17 FO2 50 Default 18 DIVE TIME REMAINING 19 ACTIVATION AND SETUP 21 ACTIVATION 22 SURFACE MODE 23 SET MODES 24 ENTERING SETTINGS SET MODE 1 25 ENTERING SETTINGS SET MODE 2 29 ...

Page 4: ...nd Gauge Mode 57 HIGH PO2 DIVE MODE 58 HIGH OXYGEN ACCUMULATION 60 USER SET DIGITAL GAUGE MODE 61 POST DIVE MODES 63 POST DIVE SURFACE MODE 64 TRANSITION PERIOD 64 AFTER THE TRANSITION PERIOD THE FIRST 2 HOURS 66 To access the Dive Planner Plan Mode 66 To access the Time to Fly Countdown 67 To access the Time to Desaturate Countdown 68 LOG MODE 68 AFTER THE FIRST 2 HOURS 71 DOWNLOADING DATA TO A P...

Page 5: ... AND CLEANING 82 INSPECTIONS AND SERVICE 83 BATTERY REPLACEMENT 84 ALTITUDE SAMPLING COMPENSATION 89 SPECIFICATIONS 90 SERVICE RECORD 95 CONTENTS continued Pay special attention to items marked with this Warning symbol ...

Page 6: ...nt Button f Graphic Maximum Depth g Battery Consumption Indicator h Icon Alarm i Icon O2 oxygen j Icon Log Mode k Graphic Demo Mode l Graphic Depth m Graphic Ascent Too Fast n Icon Operating Mode o Icon Time p Icon Ascend Arrow Icon Decompression Ceiling Bar Icon Descend Arrow q Icon Temperature r Alarm Warning Light a b c d e f g h i j k l m n o p q r ...

Page 7: ...G Prior to diving with the Atmos 2 you must also read and understand the AERIS Dive Computer Safety Reference Manual Doc No 12 7203 which provides Important Warnings and Safety Recommendations as well as general product information ...

Page 8: ...lete operating manual Remember that the rules you learned in your basic scuba certification course s still apply to the diving you will do while using a dive computer some will become even more important Tech nology is no substitute for common sense and a dive computer only provides the person using it with data not the knowledge to use it Since the ATMOS 2 can be used when diving with either Air ...

Page 9: ...h and as you Ascend to shallower depths the Bar Graph will begin to recede indicating that additional No Decompression Time is allowed for multilevel diving The Nitrogen Bar Graph monitors 12 different nitrogen compart ments simultaneously and displays the one that is in control of your dive It is divided into a green No Decompression normal zone a yellow Caution zone also No Decompression and a r...

Page 10: ... resentation of Ascent Speed i e an ascent speedometer Green is a normal rate yellow a caution rate and red is Too Fast The segments of the Variable Ascent Rate Indicator represent 2 sets of speeds which change at a reference depth of 60 feet 18 meters Refer to the chart for segment values WARNING At depths greater than 60 feet 18 meters Ascent Rates should not exceed 60 feet per minute 18 mpm At ...

Page 11: ...s a digital depth gauge timer referred to as User Set Gauge Mode the Depth Display range is extended to 399 feet 120 meters At depths greater than 99 9 meters it will indicate metric values in increments of 1 meter During a Decompression Dive the required Ceiling Stop Depth is displayed in the lower window Maximum Depth can then be viewed by pressing the Advance Front button Time and Date Displays...

Page 12: ...or Imperial the Month ap pears to the left of Day When set for Metric the Month ap pears to the right of Day Temperature Display Ambient Temperature is displayed in the lower window Fig 5a while in the Surface Mode and can be viewed as part of an Alter nate Display when the Advance Front button is pressed while in a dive mode If the Temperature exceeds a value of 99 2 dashes will be displayed on t...

Page 13: ...a user setting O2 Accumulation allowable per dive limit or limit for a 24 hour period Ascending above a required Decompression stop depth for 5 min Conditional Violation Ascent rate exceeds 60 fpm 18 mpm if 60 ft 18 m or 30 fpm 9 mpm if 60 ft 18 m During the following situations the 30 second continuous tone will be followed by a 5 second steady beep that will not turn off when acknowledged even i...

Page 14: ...acklight while in the Surface Mode or during a dive press the Select Side button The screens will be illuminated for button depression time plus 0 3 or 7 seconds a user set ting Press the button again to activate as desired The Backlight illuminates both the upper and lower screens The Backlight does not operate during a Low Battery condition NOTE AERIS recommends that you always carry primary and...

Page 15: ...ives If you conduct 3 dives each time the unit is activated you should obtain approximately 150 dives Battery Indicator A Battery Indicator provides an indication of battery condition When power is sufficient for normal unit operation the Indicator icon will be displayed during Surface Mode Fig 7a The Indicator will not be displayed during dive modes When a Low Battery Condition is sensed the Indi...

Page 16: ...r information will be displayed If the unit did not display the Low Battery icon prior to enter ing the Dive Mode and a Low Battery Condition occurs during the dive there will be sufficient battery power to maintain unit operation for the remainder of that dive The Low Battery icon will appear upon surfacing when Surface Mode is displayed When the Battery is removed nitrogen and oxygen calculation...

Page 17: ...ever oxygen related displays warnings and the O2 bar graph will not appear on the display for that dive or subsequent dives unless FO2 is set for a numerical value 21 50 Once a dive is made with the unit set as a nitrox computer FO2 set for a numerical value the unit cannot be programmed to operate as an Air computer until 24 hours after the last dive Air will not be displayed as an option in the ...

Page 18: ...epetitive nitrox dive or the value will automatically default to 50 and the dives will be calculated based on 50 O2 50 nitrogen for oxygen cal culations and 21 O2 79 nitrogen for nitrogen calculations WARNING If you surface for greater than 10 min utes during a dive a subsequent descent will be considered a new dive and FO2 must be reset If the Default is set to OFF the FO2 value for repetitive di...

Page 19: ...t No 4 586 136 No Decompression Dive Time Remaining No Decompression Dive Time Remaining is the maximum amount of time that you can stay at your present depth before entering a de compression situation It is calculated based on the amount of ni trogen absorbed by hypothetical tissue compartments The rates each of these compartments absorb and release nitrogen is math ematically modeled and compare...

Page 20: ... DSAT a corporate af filiate of PADI commissioned these experiments Oxygen Accumulation Time Remaining Oxygen accumulation exposure during a dive or 24 hour period appears graphically as the Oxygen Accumulation O2 Bar Graph Fig 14a As time remaining before reaching the oxygen expo sure limit decreases segments are added to the O2 Bar Graph When the amount of time remaining before reaching the oxyg...

Page 21: ...G Prior to diving with the Atmos 2 you must also read and understand the AERIS Dive Computer Safety Reference Manual Doc No 12 7203 which provides Important Warnings and Safety Recommendations as well as general product information ...

Page 22: ... 2 meters depth Upon manual activation the unit will enter Diagnostic Mode Fig 15 displaying all segments of the LCD as 8 s followed by dashes then a countdown from 9 to 0 The Backlight will be on Diagnostic Mode checks the display and battery voltage to en sure that everything is within tolerance and functioning prop erly The Battery icon will not be displayed during Diagnostic Mode When the Adva...

Page 23: ...ivation the unit will automatically deactivate If the wet contacts are still bridged the unit will then reactivate and display the H2O graphic SURFACE MODE Surface Mode identified by the Surface Time icon Fig 17Aa follows Diagnostic Mode after Activation Information includes Dive Number 0 no dive made yet the Battery Consumption In dicator Surface Time with flashing colon Temperature and icon and ...

Page 24: ...in Set Mode 1 or by bypassing Set Mode 1 After gaining access to Set Mode 1 or Set Mode 2 settings can be made in sequence one after the other or you can access a specific item that you want to set bypassing others The descriptions that follow describe access to each setting from Surface Mode Set Mode Access Timing While in Surface Mode press Both buttons simultaneously and hold after 2 seconds SE...

Page 25: ...tting when ever the ATMOS 2 shuts off Press Both buttons simultaneously release when SET 1 ap pears Press and release the Advance Front button FO2 appears with the value flashing Fig 20 Press and release the Select Side button to increase the FO2 value 1 per second from 21 to 50 then display Air again or Press and hold the Select Side button to scroll from Air to 32 then press and hold again to sc...

Page 26: ...ultaneously release when SET 1 ap pears Press and release the Advance Front button FO2 appears with the value flashing Press the Advance Front button 1 more time The graphics MAX FEET and dEEP and Alarm icon appear with the Max Depth value flashing Fig 22 Press and release the Select Side button until the desired Alarm value appears or press and hold the button to scroll through the Set Points Pre...

Page 27: ...e Advance Front button 2 more times The graphic EdT and Alarm and Dive Time icons appear with the Elapsed Dive Time value flashing Fig 23 Press and release the Select Side button until the desired Alarm value appears or press and hold the button to scroll through the Set Points Press the Advance Front button to accept the setting and ad vance to PC Interface or press and hold Both buttons for 2 se...

Page 28: ...ng Press the Advance Front button 3 more times The graphic PC appears with a 120 second countdown Fig 24 Download must be initiated before the countdown reaches 00 Download is initiated by the external device requesting data transfer i e the PC download program Press the Advance Front button to revert to Surface Mode The unit reverts to Surface Mode after completion of the Down load operation or a...

Page 29: ...can also be set for Met ric Press Both buttons simultaneously release when SET 2 ap pears Press and release the Advance Front button the Units screen appears with the graphics F or M and the Temperature icon and letter F or C appear with flashing Fig 25 Press the Select Side button to toggle between Imperial F and Metric M and C units Press the Advance Front button to accept the setting and ad van...

Page 30: ... Advance Front button the Units screen appears with the set point flashing Press the Advance Front button 1 more time The graphic Hour appears with 12 or 24 flashing Fig 26 Press and release the Select Side button to toggle between 12 and 24 Press the Advance Front button to accept the setting and ad vance to Set Time of Day or press and hold Both buttons for 2 seconds to revert to Surface Mode Fi...

Page 31: ...Hour value flashing Fig 27 Press and release the Select Side button to advance the Hour value in increments of one hour or press and hold the button to scroll through the Set Points Press the Advance Front button to accept the setting The Minute value flashes Fig 28 Press and release the Select Side button to advance the Minute value in increments of one minute or press and hold the button to scro...

Page 32: ...gh the Set Points Press the Advance Front button to accept the setting The Month value flashes Fig 30 Press and release the Select Side button to advance the Month value in increments of one month or press and hold the button to scroll through the Set Points Press the Advance Front button to accept the setting The Day value flashes Fig 31 Press and release the Select Side button to advance the Day...

Page 33: ...neously release when SET 2 ap pears Press and release the Advance Front button the Units screen appears with the set point flashing Press the Advance Front button 7 more times The graphic ALM and Alarm speaker icon appear with ON or OFF flashing Fig 32 Press the Select Side button to toggle between ON and OFF Press the Advance Front button to accept the setting and ad vance to Set Max Nitrogen Bar...

Page 34: ...ppears with the set point flashing Press the Advance Front button 8 more times The graphic ndc and Alarm icon appear with the full Nitrogen Bar Graph flashing Fig 33 Press and release the Select Side button to decrease the num ber of segments one at a time or press and hold the button to scroll through the Set Points Press the Advance Front button to accept the setting and ad vance to Set Dive Tim...

Page 35: ...with the set point flashing Press the Advance Front button 9 more times The graphic dtr and Alarm and Dive Mode icons appear with the Dive Time Remaining value flashing Fig 34 Press and release the Select Side button to advance the Alarm value in increments of one minute or press and hold the button to scroll through the Set Points Press the Advance Front button to accept the setting and ad vance ...

Page 36: ...ars with the set point flashing Press the Advance Front button 10 more times The graphics PO2 and MAX and Alarm icon appear with the PO2 value flashing Fig 35 Press and release the Select Side button to advance the Alarm value in increments of 10 ATA or press and hold the button to scroll through the Set Points Press the Advance Front button to accept the setting and ad vance to Set FO2 50 Default...

Page 37: ...s and release the Advance Front button the Units screen appears with the set point flashing Press the Advance Front button 11 more times The graphics FO2 and 50 appear with the ON or OFF flash ing Fig 36 Press the Select Side button to toggle between ON and OFF Press the Advance Front button to accept the setting and ad vance to Set Units of Measure or press and hold Both buttons for 2 seconds to ...

Page 38: ...e Units screen appears with the set point flashing Press the Advance Front button 12 more times The graphic GLO and Time icon appear with the Duration value flashing Fig 37 Press and release the Select Side button to advance the Dura tion from 00 to 03 to 07 seconds Press the Advance Front button to accept the setting and ad vance to Set Sampling Rate or press and hold Both buttons for 2 seconds t...

Page 39: ...ously release when SET 2 ap pears Press and release the Advance Front button the Units screen appears with the set point flashing Press the Advance Front button 13 more times The graphic SR and SECS or FEET appear with the Sampling Rate value flashing Fig 38 Press and release the Select Side button to advance the Rate one selection at a time or press and hold the button to scroll through the Set P...

Page 40: ...24 hours after the dive Press Both buttons simultaneously release when SET 2 ap pears Press and release the Advance Front button the Units screen appears with the set point flashing Press the Advance Front button 14 more times The graphic GAU appears with OFF or ON flashing Fig 39 Press and release the Select Side button to toggle between ON and OFF Press the Advance Front button to accept the set...

Page 41: ...d prior to commencing a dive Press Both buttons simultaneously release when SET 2 ap pears Press and release the Advance Front button the Units screen appears with the set point flashing Press the Advance Front button 15 more times 14 more times if a dive was made with Digital Gauge Mode set ON The graphics ACT and H2O appear with ON or OFF flash ing Fig 40 Press and release the Select Side button...

Page 42: ...42 This page intentionally left blank ...

Page 43: ...rior to diving with the Atmos 2 you must also read and understand the AERIS Dive Computer Safety Reference Manual Doc No 12 7203 which provides Important Warnings and Safety Recommendations as well as general product information ...

Page 44: ... the last dive and surface interval To access the Dive Planner while in Surface Mode Press the Advance Front button 1 time Press and release the Select Side button to advance through the depths times available one screen at a time Press the Advance Front button to access Fly Mode The unit will revert to Surface Mode after 2 minutes if no button is pressed The Dive Planner provides a sequence of th...

Page 45: ...ulation of oxygen if calcu lated to be oxygen controlled If the Nitrogen Bar Graph is displayed Fig 41 that next dive is calculated to be controlled by Nitrogen loading If the O2 Bar Graph and O2 symbol are displayed Fig 42 it is calculated to be controlled by Oxygen loading NOTE The ATMOS 2 will store oxygen accumulation cal culations for up to 10 dives conducted during a 24 hour period If the ma...

Page 46: ...o will result in an error equal to the difference in barometric pressure and possibly a false dive mode with er roneous data To provide proper altitude compensation the ATMOS 2 must manually activated at the new altitude Dive computers such as the ATMOS 2 cannot sense changes in barometric pressure if activated by immersion in water at higher alti tudes Use the Yellow Caution Zone of the Nitrogen ...

Page 47: ...or to diving with the Atmos 2 you must also read and understand the AERIS Dive Computer Safety Reference Manual Doc No 12 7203 which provides Important Warnings and Safety Recommendations as well as general product information ...

Page 48: ...Indicator Fig 43c shows how fast you are Ascending When you exceed the maximum recommended Ascent Rate for the depth you are at it will enter the red Too Fast zone and you will be alerted by all segments of the bar graph flashing and an Audible alarm unless set OFF The warnings will stop when your Ascent Rate is slowed CONTROL OF DISPLAYS During No Decompression conditions various displays of info...

Page 49: ... button is depressed plus it will remain illumi nated for the Backlight Duration time that has been set 0 3 or 7 seconds The Backlight will not activate during a Low Battery condition NO DECOMPRESSION DIVE MODE The ATMOS 2 will enter the No Decompression Dive Mode when you descend deeper than 4 feet 1 2 meters No Decompression Dive Mode Display 1 Fig 44 Information includes Current Depth Dive Time...

Page 50: ...play 3 Fig 46 Information includes Current Depth Dive Time Remaining and Mode icon current value of PO2 if a nitrox dive and applicable bar graphs press the Advance Front button to view Display 1 No Decompression Dive Mode SAFETY STOP Upon ascending to 20 feet 6 meters on any No Decompression dive in which Depth exceeded 30 feet 9 meters a short beep will sound and a Safety Stop screen will appear...

Page 51: ...ion of how close you are to entering Decompression Decompres sion Dive Mode activates when theoretical No Decompression time depth limits are exceeded Entry into Decompression Dive Mode Fig 48 Upon entering Decompression Mode the Audible Alarm will sound and the red LED Warning Indicator will flash for 30 sec onds unless set OFF or until acknowledged At that time you should begin a safe controlled...

Page 52: ...t 18 meters and shal lower Managing Decompression Stops The amount of Decompression credit time that you receive is de pendent on Depth with slightly less credit given the deeper you are You should stay slightly deeper Fig 49a than the Required Stop Depth indicated Fig 49b until the next shallower Stop Depth appears Then you can slowly Ascend to but not shallower than that indicated ceiling Stop D...

Page 53: ...ss and release the Advance Front button to view Alt 2 Deco Dive Mode Alternate Display 2 Fig 51 This display is only available during nitrox dives Information includes Current Depth Total Ascent Time the let ters PO2 and current value of PO2 and applicable bar graphs press the Advance Front button to view the Main Display NOTE While in Deco Dive Mode the ATMOS 2 will automatically revert to the Ma...

Page 54: ...onal Violation Mode if you ascend to a depth shallower Fig 52a than the Required De compression Ceiling Stop Depth displayed Fig 52b Unless set OFF a user setting the Audible Alarm will emit a continuous tone for 30 seconds or until acknowledged by pressing the Advance Front button The Down Arrow Deco Bar and the Total Ascent Time display will flash until you descend below the Required Stop Depth ...

Page 55: ...ser Set OFF It cannot be turned off acknowledged by pressing the Advance Front button Delayed Violation Mode 1 Fig 53 If you remain above the Required Ceiling Stop Depth for more than 5 minutes the Nitrogen Bar Graph and Total Ascent Time display will flash until you descend below the Required Stop Depth This is a continuation of a Conditional Violation Delayed Violation Mode 2 Fig 54 The ATMOS 2 ...

Page 56: ...p Depth indicates 50 FT 15 M etc you can ascend to those depths and continue decompress ing Delayed Violation Mode 3 Fig 55 If you descend deeper than 330 feet 99 5 meters the Nitrogen Bar Graph will flash and the Current Depth and Max Depth dis plays will only indicate 3 dashes Upon ascending above 330 feet 99 5 meters the Current Depth display will be restored however Max Depth will only display...

Page 57: ...ceded by entering Delayed Violation Mode 2 previously described The ATMOS 2 would then operate with lim ited functions in Gauge Mode during the remainder of that dive and for 24 hours after surfacing Gauge Mode turns the ATMOS 2 into a digital instrument without any decompression or oxygen monitoring functions Only Current Depth Max Depth Elapsed Dive Time and the Ascent Rate Indi cator will be di...

Page 58: ...ons This condition previously described is considered a Permanent Violation and in the event that a dive is made during the 24 hour period a full 24 hour surface interval must then be served before all functions are restored HIGH PO2 DIVE MODE As depth increases during a dive the partial pressure of oxygen PO2 increases When PO2 becomes equal to or greater than 1 40 ATA or 0 2 ATA less than the PO...

Page 59: ...mediately focus on reduc ing the partial pressure of oxygen by slowly as cending to a shallower depth at a safe rate in ac cordance with your nitrox training If you continue the dive at your current depth or descend deeper your exposure to CNS oxygen toxicity will in crease While in High PO2 Mode the Alternate Displays previously de scribed can be accessed using the Advance Front button and the Ba...

Page 60: ...petitive dives you conduct during that 24 hour period whichever of the two is greater at that time The yellow Caution Zone of the O2 Bar Graph offers you a convenient way to consistently monitor how close you are coming to the limits of oxygen exposure Use it as a visual reference to place a wider margin of protection between you and the Limits If the theoretical amount of oxygen accumulated equal...

Page 61: ...u exceed the maximum 24 hour period allowable oxygen exposure dose you must allow a surface interval of at least 24 hours before reentering the water While in High O2 Mode the Alternate Displays previously de scribed can be accessed using the Advance Front button and the Backlight can be activated using the Select Side button While in High O2 Mode the ATMOS 2 will automatically re vert to the Main...

Page 62: ...d Max Depth dis plays are extended to 399 feet 120 meters to accommodate activi ties involving diving with advanced breathing gas mixtures or free diving beyond the normal depth limit of the unit NOTE Once a dive is made with this feature set ON the setting will be locked ON for 24 hours after the dive Set Digital Gauge Mode will not appear as a selection for 24 hours after the dive Responsible ...

Page 63: ...Prior to diving with the Atmos 2 you must also read and understand the AERIS Dive Computer Safety Reference Manual Doc No 12 7203 which provides Important Warnings and Safety Recommendations as well as general product information ...

Page 64: ...tery Consumption Indicator Surface Interval time colon flashing and icon flashing Af ter 9 59 hours minutes hours only will be displayed from 10 to 23 hours some minutes Temperature ambient Time of Day and icon Nitrogen Bar Graph indicating current nitrogen loading O2 Bar Graph indicating current oxygen accumulation if nitrox dive During the Transition Period Log Mode can be accessed No other mode...

Page 65: ... Mode after 2 minutes if no button is pressed 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 If you descend dur...

Page 66: ...button to advance through the sequence of available adjusted depths times one screen at a time The unit will revert to Surface Mode after 2 minutes unless the Advance Front button is pressed to access the Fly Mode The Dive Planner now shows adjusted No Decompression Limits Fig 65 based on residual nitrogen and accumulated oxygen cal culated to be remaining from the previous dives NOTE The Planning...

Page 67: ...and counts down to 0 00 hr min Two hours after the last dive the Time to Fly and Desaturation countdowns will be displayed al ternately for 3 seconds each until they count down to 0 00 or another dive is made Access to other modes is gained by pressing Either button to return to Surface Mode After a surface interval of 12 hours you may choose to fly or travel to higher elevations provided that you...

Page 68: ...ll be displayed alternately for 3 seconds each until they count down to 0 00 or another dive is made Access to other modes is gained by pressing Either button to return to Surface Mode LOG MODE Information from your latest 24 dives is stored in the Log for viewing The first dive of a new Activation Period will be 1 then 2 etc After 24 dives are accumulated each subsequent dive will overwrite the o...

Page 69: ... is pressed while in the Log Mode HINT To bypass a dive s Log and search for an other in the sequence press the Advance Front button repeatedly Do not press the Select Side button until you find the dive Log you wish to view Dives are identified by the Date Time started and number for that day To access the Log Mode and view the First Screen Fig 68 press the Advance Front button 4 times while in S...

Page 70: ...ng the dive Nitrogen Bar Graph showing tissue nitrogen loading at the time you surfaced at the end of the dive Also the segment that reflects the maximum loading will appear flashing To view the Third Screen of the Log Oxygen data Fig 70 press the Select Side button 1 time while viewing screen 2 Displayed will be Log Mode icon and FO2 graphic FO2 value set for that dive Max PO2 level reached durin...

Page 71: ...esaturation Mode Fig 72 countdowns it is an indication that the water activation contacts are bridged still wet and the unit must be rinsed in fresh water and thoroughly dried Once the unit is dry the graphic H2O will disappear If the unit is not cleaned and dried prior to the countdowns reaching 0 00 hr min or making another dive it will shut off then automatically reactivate The graphic H2O woul...

Page 72: ...t that you acquire is compatible with the ATMOS 2 and the PC equipment that you will be using The software program provides tabular and graphic profile data sampled throughout the dives The Interface Cable will be connected to the Data Port located on the side of the ATMOS 2 housing Prior to attempting to download data from your ATMOS 2 re fer to the instructions provided in the User Manual that i...

Page 73: ...s and release the Advance Front button to display the Clear screen Fig 74 The first 2 digits of the KEY CODE flash If necessary to change the number press and release the Select Side button until the digits to change to 01 Press and release the Advance Front button again to display the second 2 digits of the KEY CODE flashing If necessary to change the number press and release the Select Side butt...

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Page 75: ...G Prior to diving with the Atmos 2 you must also read and understand the AERIS Dive Computer Safety Reference Manual Doc No 12 7203 which provides Important Warnings and Safety Recommendations as well as general product information ...

Page 76: ...to be set ON or OFF calculations to be cleared and FO2 to be set Access and Setup while in Surface Mode Press and hold Both buttons for 6 seconds Release the buttons during the 2 second window when the SIM graphic appears Fig 75 Press and release the Advance Front button to access Simula tor Mode The graphics DEMO and GAUG will appear with OFF or ON flashing Fig 76 When Gauge is set ON the Simulat...

Page 77: ... into consider ation data from previous Simulated dives Press and release the Select Side button to toggle between NEW and CUR Press and release the Advance Front button to accept the set ting and advance to Demo Surface Mode with the DEMO graphic flashing Fig 78 Press and release the Advance Front button to advance to DEMO FO2 with Air or a numerical value flashing Fig 79 Press and release the Se...

Page 78: ...rnate Displays Press and hold the Select Side button for 4 seconds to access Time Acceleration The small clock icon will begin flashing Fig 81 Press and release the Select Side button to increase Elapsed Dive Time 1 minute per real time second Press and release the Select Side button during Time Accel eration will restore normal time rate of one second per real sec ond To exit Simulator operation ...

Page 79: ...splays cannot be accessed during Simulated Ascent Press and release the Advance Front button to accelerate the Ascent Rate to 180 feet 54 meters per minute Fig 83 Press and release the Advance Front button during the Accel erated Ascent stops the Ascent but does not restore normal As cent Rate Pressing and holding the button for 2 seconds will acknowledge and disable the alarm however the Accelera...

Page 80: ...re the normal time rate of 1 second per real second Press and release the Advance Front button to access FO2 Set Mode The FO2 graphic and value previously set will appear with the value flashing Press and release the Select Side button to increase the FO2 value in increments of 1 Press and release the Advance Front button to accept the set ting and return to Demo Surface Mode Press and hold the Se...

Page 81: ...r to diving with the Atmos 2 you must also read and understand the AERIS Dive Computer Safety Reference Manual Doc No 12 7203 which provides Important Warnings and Safety Recommendations as well as general product information ...

Page 82: ...of each day of diving and check to ensure that the areas around the low pressure depth sensor Fig 85 download interface port and buttons are free of debris or obstructions To dissolve salt crystals use lukewarm water or a slightly acidic white vinegar water bath After removal from the bath place the unit under gently run ning water and towel dry before storing Transport your unit cool dry and prot...

Page 83: ...nue to have this inspection performed every year to ensure it is working properly The costs of annual inspections are not covered under the terms of the 2 year limited warranty WARNING If you are in doubt about the accuracy of your ATMOS 2 S depth readings DO NOT attempt to dive with it until it has been inspected by AERIS Customer Service It is possible to damage the depth sensor of the ATMOS 2 i...

Page 84: ...od to the nearest AERIS Regional Ser vice Facility or to AERIS Non warranty service must also be prepaid call for an estimate COD is not accepted If you have any questions regarding service call AERIS Customer Service at 510 346 0010 8 to 5 PST or E mail them to info diveaeris com BATTERY REPLACEMENT The battery compartment should only be opened in a dry and clean environment with extreme care tak...

Page 85: ...ward pressure on the clear Battery Hatch rotate the Hatch Ring clockwise 10 degrees by pressing on the upper right arm of the Ring with a small blade screw driver Fig 86 If available an adjustable face spanner tool or a pair of pointed pliers can be used instead of the screwdriver by inserting the tips of the tool in the small holes in the Ring Fig 87 Lift the Hatch Ring up and away from the Housi...

Page 86: ...nd out of the right side of the Battery Com partment CAUTION Do not allow a metal object to short cir cuit the top of the Battery which is positive to the negative contact of the Battery Compart ment Closely check all of the sealing surfaces for any signs of dam age that might impair proper sealing Inspect the Buttons Lens and Housing to ensure they are not cracked or damaged If it is necessary to...

Page 87: ...eated This O ring must be a genuine AERIS part that can be purchased from an Authorized AERIS Dealer Use of any other O ring will void the warranty Slide the Hatch Ring top portion first small opening onto your thumb Fig 90 Carefully place the clear Battery Hatch with O ring into posi tion on the rim of the Battery Compartment then press it evenly and completely down into place with your same thum...

Page 88: ... the tips in the small holes of the Ring Fig 93 Inspection Activate the unit and watch carefully as it performs a full diag nostic and battery check and enters Surface Mode Observe the LCD display to ensure it is consistently clear and sharp in con trast throughout the screen WARNING If any portions of the display are miss ing or appear dim or a Low Battery condition is in dicated return your ATMO...

Page 89: ... while it is acti vated or every 30 minutes when it is not activated At an Altitude of 2 000 feet 610 meters it will automatically recalibrate itself to measure depth in feet of fresh water rather than feet of sea water It will then readjust the no decompression and oxygen limits at additional intervals of 1 000 feet 305 meters Therefore when returning to lower Altitudes diving should not be con d...

Page 90: ...8 m Altitude Algorithm Based on NOAA tables Oxygen Exposure Limits Based on NOAA tables OPERATIONAL MODES Activation Diagnostic Surface Dive Planner Time to Fly Countdown Desaturation Countdown Dive Log Date Time Nitrogen Oxygen Reset Clear Set Mode 1 FO2 Air 21 50 O2 Max Depth Alarm 30 300 ft 10 99 m Elapsed Dive Time Alarm 0 10 3 00 hr min PC Interface to Download data Set Mode 2 Units of Measur...

Page 91: ... Time Current PO2 value Bar Graphs Violation Conditional Delayed Immediate Gauge High PO2 1 20 1 60 ATA High Oxygen Accumulation allowed per dive or 24 hour period DISPLAY RANGE RESOLUTION Numeric Displays Range Resolution Dive Number 0 24 1 Depth 0 399 ft 0 120 m 1 ft 1 m 1 m 99 9 m Maximum Depth 399 ft 120 m 1 ft 1 m 1 m 99 9 m FO2 Set Point Air 21 50 1 PO2 Value 0 00 5 00 ATA 01 ATA Dive Time R...

Page 92: ...BAR GRAPHS Nitrogen Bar Graph segments Oxygen O2 Bar Graph segments No Decompression zone green 5 Normal zone green 3 No Deco Caution zone yellow 2 Caution zone yellow 1 Decompression Warning zone red 1 Danger zone red 1 Ascent Rate Indicator 60 feet 18 m Shallower Deeper than 60 feet 18 m segments feet min meters min segments feet min meters min 0 0 10 0 3 0 0 20 0 6 Normal Zone Green 1 11 15 3 5...

Page 93: ...eet 4 267 meters elevation Samples Ambient Pressure every 30 minutes when not activated when manually activated and every 30 minutes while activated Does not sample Ambient Pressure while it is wet Adjusted No Decompression and O2 Limits and recalibration of depth readings at elevations between 2 000 feet 610 meters and 14 000 feet 4 267 meters at intervals of 1 000 feet 305 meters Power Battery 1...

Page 94: ...unless an FO2 numerical value is set Nitrox set points from 21 to 50 If set for 21 remains set for 21 until changed If set for 21 it reverts to 50 10 minutes after the dive if the FO2 Default is ON If the FO2 Default is OFF the value will remain at the value set Operating Temperature The ATMOS 2 will operate in almost any temperature diving environment in the world between 32 F and 140 F 0 and 60 ...

Page 95: ...Rev Number __________________ Date of purchase _____________________ Purchased from ______________________ Below to be filled in by an Authorized AERIS Dealer R E S P O NSIBLE D I V E R Date Service Performed Dealer Technician ...

Page 96: ...Doc No 12 7129 r03 5 30 06 2002 Design 2001 AERIS 2002 Davis Street San Leandro CA 94577 Tel 510 346 0010 Fax 510 346 0015 Web site http www diveaeris com E mail info2 diveaeris com ...

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