Cochran COMMANDER Owner'S Manual Download Page 14 | Manualshive

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NOTE: Once the COMMANDER is placed in Clock

Mode the unit will remain in that mode until
exited by the diver.

TOUCH PROGRAMMING MODE:

NOTE:

To enable the Programming Mode, the

COMMANDER must be on the Surface and
not in the Post Dive Interval.

NOTE: All audible and visual alarms are

suspended while the COMMANDER is in
the Programming Mode. Upon exiting the
Programming Mode all alarms are
reactivated.

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Summary of Contents for COMMANDER

Page 1: ..._______________________ Your Name ____________________________ Your Contact __________________________ ______________________________________ ______________________________________ Purchase Date _________________________ Purchase Place ________________________ Address ______________________________ ______________________________________ ______________________________________ ...

Page 2: ......

Page 3: ...DE CONTACTS CONTACT 2 CONTACT 1 CONTACT 3 The Contacts are used to let the user command the unit to do a number of functions communicate with a PC for extracting information or configuring the unit and determining water conductivity When Contacts 1 2 are shorted the COMMANDER can detect the difference between wet fingers metal objects fresh water salt water and a PC interface probe TURNING ON THE ...

Page 4: ...on so that their operability can be confirmed by the user Should a test indicate a malfunction or marginal test the unit will turn back off again The user should ensure that all of the display segments are on and operating correctly TURNING OFF THE COMMANDER After the Post Dive Interval following a dive the COMMANDER will remain on for one hour before automatically entering its Sleep Mode During t...

Page 5: ... Nitrogen a clean Dive Figure 5 shows the display with residual Nitrogen a repetitive dive Surface Time starts at zero after a dive and begins counting minutes If the computer shuts off and is turned on with Nitrogen residual left the Surface Time continues to count If the computer shuts off and is turned on with no Nitrogen residual left the Surface Time will be zero Dive of Day starts at zero an...

Page 6: ...de changes and hence is called Seamless The term Barometric Altitude is used instead of just Altitude because the COMMANDER measures Barometric Pressure to determine Altitude Barometric Altitude can vary from actual Altitude by over 1000 feet What is important to the body when diving is Barometric Altitude DIVE MODE Whether in the Surface Interval PreDive Prediction Mode Programming Mode or the Lo...

Page 7: ...sured for two purposes One is to compensate the Depth Transducer for Temperature variations The other is to compensate the Nitrogen algorithm for changes in Temperature that may affect the body Both of these purposes require that the Temperature be very slow reacting just like the Depth Transducer and the body This slow reacting Temperature is what is displayed For Temperature effects on the body ...

Page 8: ...e of Ascent Rate regardless of the Maximum Ascent Rate selected With PROPORTIONAL each of the five bars indicate 20 one fifth of the selected Maximum Ascent Rate For FIXED the maximum ascent rate is 60 feet per minute With this setting no bars will illuminate if a diver is ascending at a rate less than 10 feet per minute If the diver has an Ascent Rate that exceeds the selected maximum the entire ...

Page 9: ...at the rate of once every two seconds In this way the diver can view the time to spend at a particular STOP depth and the TOTAL time it will take to complete all STOPS Clearly the larger of the two alternating numbers is the Total Decompression Time of all stops and the smaller of the two numbers is the time required at the current stop At the ten foot stop the TOTAL and STOP times may be the same...

Page 10: ...e unit will continue to log data and perform as if actually in a dive When the decompression obligation is finally satisfied the ten minute Post Dive Interval will begin NOTE COCHRAN does not intend for this instrument to be used for deliberate Decompression diving POST DIVE INTERVAL During the first ten minutes or up to thirty minutes if the unit is in the Training Mode after a dive the COMMANDER...

Page 11: ...The Training Mode can only be enabled disabled via the Professional Edition of the Analyst PC Interface TACLITE The COMMANDER is equipped with the TACLITE tactical low light fiber optic backlighted display The standard TACLITE color is night vision safe red but it is also available in yellow for those individuals who have vision difficulties with the color red The TACLITE can be activated on deman...

Page 12: ...OMMANDER is in the Dive Computer Mode The COMMANDER can be placed into the Clock Mode from the Dive Computer Mode when the unit is in the Normal Surface Interval while the unit is in Clock Mode the Dive Computer will be in the Sleep mode The Clock Mode can be selected with or without an Alarm If the Alarm option is selected the unit will display the alarm set time as well as the current time When ...

Page 13: ...ent the numeric value continue until the required value is displayed A confirmation beep will sound with each increment 7 Next using wetted finger bridge Contacts 1 2 to select the next digit once selected the digit will flash to identify that it is being programmed Bridge Contacts 2 3 till the desired value is displayed 8 To select Hours short Contacts 1 2 with a coin increment as in step 6 and 7...

Page 14: ...by the diver TOUCH PROGRAMMING MODE NOTE To enable the Programming Mode the COMMANDER must be on the Surface and not in the Post Dive Interval NOTE All audible and visual alarms are suspended while the COMMANDER is in the Programming Mode Upon exiting the Programming Mode all alarms are reactivated ...

Page 15: ...rogramming Menu is seen on the display The Programming Menu options depend on whether the unit is activated for Clock The Menu options are displayed in sequence incrementing to the next selection each time that Contacts 1 2 are bridged with a coin The program option is displayed on the upper row of the display The current setting for this option is displayed in the lower right of the display 3 To ...

Page 16: ...ming sequence and Contacts 2 and 3 to INCREMENT the specified value PROGRAMMING MODE MENU The following table lists the various programming choices with their display identification and figure number Identification Description Figure Page CLC Clock if enabled 40 12 PdP PreDive Prediction 22 14 InF Misc Information 23 14 dEP AL Depth Alarm Max value is 320 feet 25 14 Con Added Conservatism Max valu...

Page 17: ... s PreDive Prediction starts at 30 feet and increases in 10 feet increments PreDive Predictions will terminate when the No Decompression NDC time prediction reaches two minutes or a maximum depth of 320 feet is reached Additional Conservatism Residual Nitrogen and Barometric Altitude can effect PreDive Predictions Once the maximum PreDive Prediction depth has been reached the unit will return to t...

Page 18: ...on in the upper right of the screen indicates the unit is in the Air Only FO2 Mode Identifier Description F0 Air only The Battery voltage is displayed in the lower center of the screen as a two digit number with a decimal point proceeded by a lower case b Figure 24 shows what the display screen looks like for a Commander configured for Air Only TOUCH PROGRAMMING DEPTH ALARM The Depth Alarm allows ...

Page 19: ...he Taclite will be on whenever the COMMANDER is awake TOUCH PROGRAMMING LOGBOOK The Logbook of the COMMANDER has two screens a Primary Screen and an Alternate Screen To switch to the Alternate Screen just tap firmly on the face of the unit The Logbook is accessed via the Touch Contact Programming see page 13 This enables the diver to view dive statistics the COMMANDER has the ability to provide di...

Page 20: ...t the Logbook Mode prior to initiating a dive Once the diver has descended below five feet the COMMANDER will immediately enter the Dive Mode NOTE The overall Dive Number that is displayed on the Logbook Menu screen Figure 34 permits the diver to identify the total number of dives made with that COMMANDER If the logbook example shown is the most recent dive made it can be readily identified that 2...

Page 21: ...19 Figures 36 38b display a Deco Dive ...

Page 22: ... less than two minutes of No Decompression Time NDC remaining the WARNING legend will illuminate and flash along with the Remaining NDC time digits A single beep audible alarm will sound once per second for five seconds and repeat every two minutes If the diver enters the Decompression Mode a single beep audible alarm will sound once per second for five seconds During a Decompression dive if the D...

Page 23: ...ing will be issued whether the computer is in the Surface Interval Dive Mode Decompression Mode or Post Dive Interval In the unlikely case that your computer issues one of these warnings the unit should be returned to the factory for evaluation and or repair Figure 18 shows a Sensor Warning in this case a Depth Sensor as it would be displayed in the Dive Mode If the Sensor Warning was for the temp...

Page 24: ...g Inter Dive Events Number of Initializations Unit Activation Altitude Changes of 500 Feet Low Batteries Sensor Malfunction Analyst interface with Dive Computer INTER DIVE EVENTS The COMMANDER stores important information between dives even when the unit is not turned on The information is stored as acquired and is called an Inter Dive Event These events can be viewed via the Analyst P C Interface...

Page 25: ...T RATE 60 feet and deeper 60 feet per minute 60 to 30 feet same as depth Shallower than 30 feet 30 feet per minute Selectable Fixed Ascent Rate Alarm Limit If Variable By Depth Ascent Rate Alarm was set to OFF from the above topic the user may enter the desired Ascent Rate for the alarm to sound Ascent Rate for Deco Predictions 20 to 60 This option allows the diver to select the ascent rate to be ...

Page 26: ...or the current dive The COMMANDER is shipped from the factory with this feature set to On Temperature Dependent NDC Computations Normal or Reduced This feature compensates the decompression algorithm proportional to the ambient water temperature See User Environmental Adaptation Water Temperature on page 34 for a detailed description of this function The COMMANDER is shipped from the factory with ...

Page 27: ... Mode the Ceilings are displayed as 1 10 2 20 3 30 etc On or as 10 20 30 etc Off From the factory this option is set to Off Selectable NDC Conservatism 0 to 50 This feature allows 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 warran...

Page 28: ...00 00 12 00 am 20 00 8 00 PM etc This is also settable via Touch Contact Programming Enter Alarm Clock Minute 0 to 60 This allows the diver to program the time of day Alarm Clock s minute setting This is also settable via Touch Contact Programming Restore Original Configuration Settings This allows the diver to restore the original factory default settings with a single command SPECIFICATIONS Algo...

Page 29: ...unit and will void the warranty Do not use chemicals to clean the case or lens as this may damage the unit or permanently fog the lens CHANGING BATTERY The batteries should be changed when the BATT legend is seen or battery voltage reaches 2 1 volts as can be seen on the Information Display The unit will operate until the battery voltage drops below 1 6 volts Only use fresh name brand N Cell size ...

Page 30: ...the new batteries ready to immediately install since the COMMANDER was designed to allow for battery changes without resetting and losing any Nitrogen residuals This period of time is typically 30 seconds but varies with temperature and the voltage of the batteries being replaced It can be significantly less if batteries are not replaced promptly when the BATT legend first comes on Again care shou...

Page 31: ...E THE LENS FROM THE UNIT Voids Warranty ONLY USE FRESH WATER TO CLEAN UNIT NEVER USE SOLVENTS Voids Warranty DO NOT USE A SCREWDRIVER TO REMOVE BATTERY CAP Voids Warranty ALWAYS KEEP FRESH ENERGIZER BRAND BATTERIES INSTALLED LUBRICATE BATTERY ENDS WITH THIN FILM OF SILICONE GREASE REPLACEMENT PARTS Batteries 2 Battery Cap O rings Battery Cap Assembly Pins 2 Replacement Wrist Strap long Gray Wrist ...

Page 32: ...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 antenna of the affected radio or television Increase the separation between the equipment and the affected receiver Connect equipment and the affected receiver to power outlets on separate circuits Consult the dealer or an experienced radio TV technician ...

Page 33: ...ined by contacting COCHRAN Any defective Product unless cause is specifically excluded in the Warranty Conditions and Limitations section below will at the sole discretion of COCHRAN be repaired or replaced with a new or refurbished unit of comparable or better function and or condition COCHRAN is not responsible for any incidental or secondary damages as a result of Product malfunction WARRANTY C...

Page 34: ...ile STATEMENT of LIMITED LIABILITY A mathematical model is used by this Product to calculate physiological effects of SCUBA diving related to use of compressed air or other breathing mixtures while at depth Such effects specifically relate to nitrogen absorption into and elimination from body tissues as well as effects of oxygen used in Enriched Air Nitrox breathing mixtures However because of the...

Page 35: ...h a buddy at all times COCHRAN strongly supports and agrees with maximum depth limits of 130 feet for recreational SCUBA diving as established by recognized training and certification agencies and in no way encourages diving beyond these or any prudent lesser limits as may be necessitated by environmental diver specific or other conditions THE WARRANTY AND REMEDIES SET FORTH ABOVE ARE EXCLUSIVE AN...

Page 36: ...es regarding the exact method by which a nitrogen bubble forms from a microbubble which was formed from micronuclei Currently the predominant theory states that more rapid ascents accelerate bubble formation The COMMANDER comprehends and adjusts for this phenomenon USER CONSERVATISM Current dive computers cannot tell if the diver is dehydrated tired smokes overweight or has some other physical iss...

Page 37: ... On or Off Accordingly the decompression algorithm is changed to reflect these barometric pressure changes Note that temperature and weather systems also affect barometric pressure and hence apparent altitude Using the Time To Fly digits the number of hours required to adapt to the new altitude is immediately known to the diver If a significant altitude change occurs a minimum of one hour should p...

Page 38: ...COMMANDER will not perform Altitude Acclimatization if the touch contacts are shorted or bridged Rinse the unit with clean fresh water and dry it with a towel after each dive Transporting and storing the unit in its case will help prevent the possibility of the contacts being shorted or bridged WARNING While your COMMANDER will automatically adjust its no decompression algorithm for altitude you s...

Page 39: ...wer to normally complete a dive it is not recommended to begin a new dive until fresh ENERGIZER brand alkaline batteries are installed After the computer automatically turns itself off enters Sleep Mode 70 minutes after a dive it cannot be turned back on if the battery voltage is less than 1 6 volts Fresh ENERGIZER brand alkaline batteries must be installed See the BATTERY CHANGES section of this ...

Page 40: ...14 Pre Dive Prediction 15 Information Display 16 Depth Alarm 16 Conservatism 17 Taclite 17 Logbook 17 Logbook Screens 18 Warning Indications 20 Sensor Warning Mode 21 Sensor Warning Screen 21 Data Storage Types Capacity 21 Inter Dive Events 22 User Configurable Options 22 Product Specifications 26 Enhancements 27 Cleaning the Unit 27 Changing Batteries 27 Assistance Repair Maintenance 29 Replaceme...

Page 41: ...u 14 25a Programming Mode Setting Depth Alarm 16 26 Programming Mode Conservatism 15 26a Programming Mode Setting Conservatism 17 33 Programming Mode TACLITE Menu 15 33a Programming Mode Setting TACLITE On Time 17 34 Programming Mode Logbook Menu 18 34a Programming Mode Logbook Menu Primary Screen 15 34b Programming Mode Logbook Menu Alternate Screen 18 35 Logbook Mode Primary Screen 19 36 Logbook...

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Page 44: ...Cochran COMMANDER Owner s Manual English Imperial Ver CmdrAir 1 02 Manual Part Number 4100811 1758 Firman Drive Richardson Texas 75081 USA Phone 972 644 6284 Fax 972 644 6286 www divecochran com ...

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