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COMMANDER

Owner's Manual

English – Metric

Version 002M

USER INFORMATION

For your records, please fill in the following information.

SERIAL NUMBER OF UNIT: _____________________________
DATE OF PURCHASE:__________________________________
PLACE OF PURCHASE:_________________________________
ADDRESS:____________________________________________

Содержание commander+

Страница 1: ...COMMANDER Owner s Manual English Metric Ver CMDR 002M ...

Страница 2: ...COMMANDER Owner s Manual English Metric Ver CMDR 002M ...

Страница 3: ...ON For your records please fill in the following information SERIAL NUMBER OF UNIT _____________________________ DATE OF PURCHASE __________________________________ PLACE OF PURCHASE _________________________________ ADDRESS ____________________________________________ ...

Страница 4: ...icity Factors 15 Warning Indications 18 PreDive Prediction Mode 19 Surface Mode 22 Subsurface Mode 23 Ascent Rate Bar Graph 24 Decompression Mode 26 PostDive Interval Mode 27 Logbook Mode 28 Gauge Mode 30 Field Programming Mode Nitrox Enabled 31 Field Programming Mode Nitrox Disabled 34 Data Storage Types Capacity 37 User Configurable Options 38 Product Specifications 43 Cleaning the Unit 44 Chang...

Страница 5: ...erference in a residential situation However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment on and off the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving an...

Страница 6: ...ARRANTY To the original purchaser OWNER only Cochran Undersea Technology a division of Cochran Consulting Inc COCHRAN represents this Product to be free of defects in materials and workmanship under normal SCUBA use for 24 months from the date of shipment from COCHRAN to the Authorized Dealer or Distributor For purposes of establishing warranty eligibility this date of shipment may be noted on the...

Страница 7: ...e and flooded battery compartments are NOT covered by this Limited Warranty This Limited Warranty will be rendered null and void if an attempt is made to establish communications with the computer with any hardware and or software other than the Cochran approved ANALYST Interface OWNER is responsible for shipping this Product to COCHRAN for service and paying all associated costs including shippin...

Страница 8: ...her harmful effects This Product is sold and intended to be used only as a guide providing the TRAINED and CERTIFIED diver the information needed to make safe diving decisions It is expressly understood that by buying and or using this Product the Diver assumes ALL RISK as to its operability reliability quality performance accuracy and suitability for his diving style Furthermore Diver recognizes ...

Страница 9: ...IMITATIONS WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE No Cochran Undersea Technology Dealer agent or employee is authorized to make any modification extension or Addition to this warranty DO NOT ALLOW THE COMMANDER TO HAVE LOW OR NO BATTERIES FOR ANY PERIOD OF TIME THIS WILL DISCHARGE THE INTERNAL LITHIUM BATTERY THAT KEEPS THE MEMORY ALIVE CAUTION LOSS OF BATTERY POWER WIL...

Страница 10: ...s one of the new breed of Dive Computers that adapts its algorithm to the user s diving environment and style as originally pioneered by COCHRAN All of COCHRAN s newer dive computers incorporate this capability The factors that are used for this Adaptation in the COMMANDER are Water Temperature Salt Fresh Water Compensation Microbubble Altitude Acclimatization User Conservatism Previous Dive Profi...

Страница 11: ...LT FRESH WATER COMPENSATION High Low Conductivity There is approximately three percent difference in depth readings taken in salt water versus fresh water Some dive computers are calibrated in metres of fresh water and some are calibrated in metres of seawater Diving in a medium different from what the dive computer is calibrated will cause apparent depth errors Only COCHRAN dive computers includi...

Страница 12: ...ould pass before diving to allow the unit to adapt to this new altitude Rapid changes in altitude should be avoided The dive computer may in fact see particularly rapid changes from a higher to a lower altitude as a dive Should this occur removing the batteries for ten minutes will reset the computer however all tissue nitrogen loading will also be lost Should it be desired to initiate a dive PRIO...

Страница 13: ...iations in atmospheric barometric pressure may affect the no decompression time which is more predominantly seen in the Pre dive Prediction forecast METRIC IMPERIAL MODES Most dive computers always compute in either Metric or Imperial units and merely convert the display to the other units The COMMANDER actually computes and displays in the selected units which gives maximum accuracy and user fami...

Страница 14: ...this manual for detailed information on how to change batteries CAUTION COMPLETE LOSS OF BATTERY POWER WILL CAUSE ALL PREVIOUS DIVE NITROGEN LOADING TO BE LOST THIS WILL AFFECT NITROGEN CALCULATIONS ON NEAR FUTURE DIVES AFTER A BATTERY CHANGE CONFIRM THAT NO DECOMPRESSION TIME DATA IS REASONABLE DURING PRE DIVE PREDICTION MODE DIVE OF DAY NUMBER GOING TO ZERO IMMEDIATELY AFTER CHANGING BATTERIES I...

Страница 15: ...e manually powered up by wetting two fingers and simultaneously touching Contacts 1 and 2 just prior to a dive This allows the diver to ensure that the unit is operating correctly and has adequate battery capacity prior to entry Once activated the unit will remain on for 15 minutes If a dive is not initiated within this 15 minutes the COMMANDER automatically shuts off Notice that when Contacts 1 2...

Страница 16: ...inal test the unit will turn back off again The user should ensure that all of the display segments are on and operating correctly D I V E BATT METRIC NDC DEC A S C T N E DEPTH MAX BOTTOM CEIL TEMP WARNING REMAIN TIME FLY SURF DEPTH Fi g ure 1 SELF D I AG N O STI C D I SPLAY Al lSe gm e nts 1l l um i na ted 14 TURNING OFF THE COMMANDER After a dive the COMMANDER remains on for 40 minutes before au...

Страница 17: ...m will be repeated once per minute None of these three functions are active if the NITROX capability is not enabled or has been disabled via the Analyst PC Interface see later description of the Analyst PARTIAL PRESSURE OF OXYGEN PO2 High PO2 levels can cause severe Oxygen poisoning Widely different levels of PO2 can affect individual divers The user via the Analyst can set the PO2 alarm to any le...

Страница 18: ...ming Mode METRIC NDC BOTTOM TEMP REMAIN TIME DEPTH Fi g ur e 15 SUBSURFA C E M O D E D I SPLAY M a x C N S A l a r m C ur r e ntC N S 75 Re m a i n N D C Ti m e 18 m i ns D e p t h 9 1 m t r Bo t t o m Ti m e 16 m i ns Te m p e r a tur e 9 c A sc e ntRa t e 0 Ba t t e ry O K 16 OXYGEN TOLERANCE UNITS OTU An issue with long term breathing of higher partial pressures of Oxygen above 0 5 ATA is Pulmo...

Страница 19: ...OTU clock is reset to 0 00 when the OTU Dose reaches zero Should the OTU Dose reach 50 of the maximum allowable the audible alarm will sound and the MAX DEPTH left digit will be replaced with an O followed by the two digit OTU Dose percentage All three of these digits and the WARNING legend will be flashing Symptoms of Pulmonary Oxygen Toxicity include burning in the throat and chest coughing and ...

Страница 20: ...r second for five seconds and repeat once per minute The WARNING legend will also flash for as long as the condition exists If the diver enters the Decompression Mode an audible alarm will sound once per second for five seconds The WARNING legend on the display will flash for as long as the Decompression Mode is active If a CEILING of 21 metres or greater is computed a one time five beep audible a...

Страница 21: ...limit is set to 51 metres at the factory but can be changed by the Analyst PC software During PreDive Prediction the current oxygen percentage setting is used to compute NDC time remaining and will influence predictions Furthermore the PreDive Predictions will stop when the Max PO2 is computed PreDive Predictions can also be affected by apparent altitude Typical PreDive predictions can be seen in ...

Страница 22: ... 05 04 05 Current Dive Bottom Surface Altitude O2 Depth Time Interval Condition A 0 21 0 00 00 Condition B 1 5km 21 0 00 00 Condition C 0 21 18 45 13 Condition D 0 21 18 45 2 00 Condition E 0 36 0 00 00 Condition F 0 36 18 45 2 00 Condition G 0 50 0 00 00 20 For this chart the Temperature Factor is set to off and the Conservatism factor is set to 0 Both of these factors in addition to any residual...

Страница 23: ...to 4 5km above sea level The six ranges are for display purposes only 0 Bars sea level to 600 metres 1 Bar 600 to 1 200 metres 2 Bars 1 200 to 1 800 metres 3 Bars 1 800 to 2 400 metres 4 Bars 2 400 to 3 000 metres 5 Bars greater than 3 000 metres METRIC NDC TEMP REMAIN TIME DEPTH Fi gur e 4 PRE DI VE PREDI C T I O N Al lSegm ent s1l l um i nat ed Dept h Pr edi ct 15 m t r NDC T i m e Pr edi ct 78 ...

Страница 24: ...ts after each dive regardless of the calendar day When there is no remaining nitrogen residual the Dive of Day is set to zero and the computer is referred to as a clean system Time to Fly is displayed as the number of hours remaining until the nitrogen residual reaches zero plus a twelve hour safety factor Flying is not recommended until the Time to Fly reaches zero D I V E M ETRIC D EPTH M AX BOT...

Страница 25: ...ever the unit determines that it is in water deeper than two metres Surface Time will be replaced with current Depth displayed in 0 1 metre increments up to a maximum depth of 99 9 metres Bottom Time will begin once the COMMANDER senses that the diver has descended below two metres and continues until the diver has ascended above one metre The maximum Bottom Time displayed is 9 hours 59 minutes If...

Страница 26: ...s below 3 metres The five segment bar graph is used to display the diver s rate of ascent The factory default for maximum ascent rate is 18 mpm With this setting no bars will illuminate if a diver is ascending at a rate less than 3 mpm If the diver has an ascent rate of more than 18 mpm the entire Ascent Rate Bar Graph will flash and audible alarm will sound once per second and the WARNING legend ...

Страница 27: ...he maximum Ascent Rates and their associated depth are 18 metres or deeper 18 mpm 18 to 9 metres mpm equal to the depth Less than 9 metres 9 mpm The sensitivity or responsiveness of the Ascent Rate may be selected Via the Analyst eight different levels of sensitivity are available FIG 6 Ascent Rate Bar Graph Fixed at 18 metres per minute NOTE Customizing the Ascent Rate and Ascent Rate Bar Graph a...

Страница 28: ...n view not only the time to spend at a particular STOP depth but also the TOTAL time it will take to complete all STOPS and surface Clearly the larger of the two alternating numbers is the Total Decompression Time of all stops which includes ascent time to the surface and the smaller of the two numbers is the time required at the current stop At the three metre stop the TOTAL and STOP times may be...

Страница 29: ...mpression diving POST DIVE INTERVAL MODE During the first ten minutes after a dive the COMMANDER is in the PostDive Interval Mode The flashing SURF legend and a Surface Time of less than ten minutes indicate this Should another dive be commenced before the completion of the Post Dive Interval that dive will be considered an extension of the previous dive In this case Bottom Time will NOT include t...

Страница 30: ... the unit to enter the Logbook Mode The most recent dive will be displayed first To view the next dive touch the contacts again after pausing for a few seconds Do not use a metal object such as a coin or knife blade to enter the Logbook Mode since it will cause the unit to enter the Programming Mode The internal storage capacity of the Logbook Mode is 100 dives Therefore only the most recent 100 d...

Страница 31: ...escended below two metres the COMMANDER will immediately enter the Subsurface Mode METRIC A S C T N E DEPTH MAX BOTTOM TEMP SURF Fi g ure 9 LO G BO O K M O D E D I SPLAY O ve r a l lD i ve N um b e r 235 M a x D e p th 18 9 m tr Bo tto m Ti m e 39 m i ns Surfa ce Ti m e 52 m i ns M i n Te m p era ture 21 c M a x A sce ntRa te 5 m p m Ba tte ry O K NOTE The overall Dive Number allows the diver to i...

Страница 32: ...Oxygen toxicity factors The conditions which will cause the computer to enter the Gauge Mode are A dive 100 metres or deeper is performed A Decompression Ceiling of greater than 27 metres is calculated Diver is shallower than the required Decompression Ceiling five consecutive minutes The COMMANDER will remain in Gauge Mode for 24 consecutive hours of surface time After the diver has been on the s...

Страница 33: ...e programmed accordingly To begin the programming sequence 1 Analyze the gas blend using a calibrated Oxygen Analyzer 2 Turn the unit on 3 Using a coin or other highly conductive metal briefly bridge Contacts 1 and 2 until a short beep is heard and the Programming Menu is seen in the display 31 Fi gur e 12 FI ELD PRO G RAM M I NG Set t i ng O xygen Set t i ng 10 sdi gi t W i t h Ni t r oxFunct i o...

Страница 34: ...6 Next bridge Contacts 1 and 2 to select the 1 s digit programming sequence A 1 2 being displayed at the upper left corner of the display identifies this The 1 identifies that the oxygen percentage is still being programmed while the 2 identifies the 1 s digit is being programmed 7 Bridge Contacts 2 and 3 to increment the 1 s digit to the desired value If the example of setting an Oxygen Percentag...

Страница 35: ...entifies the 1 10th s digit For Depth Alarm the 3 identifies the 100 s digit the 2 identifies the 10 s digit and the 1 identifies the 1 s digit Some values use only two digits For these values only a 2 and 1 will be displayed Once all of the desired values have been programmed you must SELECT through the entire programming sequence WITHOUT making any additional changes before the COMMANDER will ex...

Страница 36: ...ence 1 Turn the unit on 2 Using a coin or other highly conductive metal briefly bridge Contacts 1 and 2 until a short beep is heard and the Programming Menu is seen in the display Fi g ure 11 FI ELD PRO G RA M M I N G Se tti ng C o nse rva ti sm Se tti ng 10 s d i g i t N o N i tro x Functi o ns C o nse rva ti sm 15 34 ...

Страница 37: ...g this value should display 00 as set at the factory 4 Using the same coin or metal object bridge Contacts 2 and 3 to increment the 10 s value A confirmation beep will sound with each increment If diving a Conservatism of 15 Contacts 2 and 3 should be bridged until a 1 is displayed at the bottom center s 10 s digit 5 Next bridge Contacts 1 and 2 to select the 1 s digit programming sequence A C 1 b...

Страница 38: ...fies the least significant digit or the right digit of the value being displayed For Depth Alarm the 3 identifies the 100 s digit the 2 identifies the 10 s digit and the 1 identifies the 1 s digit Some values use only two digits For these values only a 2 and 1 will be displayed Once all of the desired values have been programmed you must SELECT through the entire programming sequence WITHOUT makin...

Страница 39: ...e following internal distinct data storage activities that can be recalled viewed and stored with the Analyst PC computer interface Current Variable Information Local Time CNS toxicity OTU dose OTU Mission Clock Altitude Battery voltage 12 tissues loading Current Configuration Data As can be seen in USER CONFIGURABLE ITEMS below Historical Totals Summaries Dive Time Number of Dives Number of Margi...

Страница 40: ...pling Uploading to a PC often via the Analyst prevents earlier data overwritten by more recent data from being lost forever Default from the factory is four second sampling The sampling rate does not affect the compute rate which remains fixed at one second USER CONFIGURABLE ITEMS By using the optional Analyst Personal Computer Interface the user has the ability to change the following items Dive ...

Страница 41: ...evel Regardless of the selection altitudes greater than 600 metres above sea level will be treated in a seamless manner From the factory this is set to sense seamless altitude from sea level to 4 5 km above sea level Select Decompression Time Display Total Stop Both There are three options for the manner in which the decompression time is displayed If you select TOTAL the decompression time displa...

Страница 42: ... This feature will allow the diver to input an added degree of conservatism to the decompression algorithm from 0 to 50 percent in one percent increments This may be desirable if the diver is dehydrated tired or has some other factor that warrants added conservatism This option may also be set via the Field Programming method Conservatism is set to zero as shipped from the factory Selectable Type ...

Страница 43: ...Dwell Time 10 to 60 seconds This feature allows the diver to determine how long in seconds that a particular dive s logbook is displayed before the Logbook Mode is exited This option is set to 30 seconds as shipped from the factory Ascent Rate Responsiveness 0 to 7 This option determines the responsiveness or sensitivity of the Ascent Rate Bar Graph Zero is highly responsive and seven is very slow...

Страница 44: ...ox Mixture This option allows you to enter the desired oxygen percentage in 0 1 increments Values from 21 0 to 50 0 may be entered The Field Programming Mode previously described may also modify this setting As shipped from the factory this is set to 21 0 Max PO2 Alarm This option allows the diver to select a maximum PO2 Partial Pressure of Oxygen at which an alarm is sounded Values from 0 50 to 1...

Страница 45: ...ive profiles will be irretrievably lost SPECIFICATIONS Algorithm Modified Haldanian Tissue Compartments 12 Computation Period Every second Activation Manual and Water Depth Display 99 9 metres 0 1 metre increments Depth Accuracy 1 of full scale Maximum Altitude 4 5 km seamless Altitude Accuracy 300 metres Temperature Display 0 to 37 degrees C 1 degree increments Temperature Accuracy 2 of full scal...

Страница 46: ...ns as this may damage the unit or permanently fog the lens BATTERY CHANGES The batteries should be changed when the BATT legend is seen or battery voltage reaches 2 4 volts as can be seen during the PreDive Prediction The unit will run until the battery voltage drops below 2 0 volts Only use fresh name brand N Cell size Alkaline batteries for maximum battery life At this time Eveready Energizer Al...

Страница 47: ...talling the battery cap lubricate the O rings lightly and slowly twist the cap into place using a USA quarter supplied Press quarter into battery cap slot firmly to prevent slipping and damaging the slot Ensure that there is no dirt or debris on the O rings or the mating surface and that the O rings are properly installed As the battery cap is screwed in carefully observe that the double O rings i...

Страница 48: ... not possible or is inconvenient due to a change in location contact us for the name of the nearest Team Cochran Authorized Dealer NEVER TEST OR SUBJECT THE PRODUCT TO PRESSURIZED AIR NEVER REMOVE THE LENS FROM THE UNIT ONLY USE FRESH WATER TO CLEAN UNIT NEVER USE SOLVENTS DO NOT USE A SCREWDRIVER TO REMOVE BATTERY CAP ALWAYS KEEP FRESH ENERGIZER BRAND BATTERIES INSTALLED ALWAYS USE 1 5 VOLT ALKAL...

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