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A1 USER MANUAL

A1 SETTINGS AND
MENUS ON THE
SURFACE

In this chapter the settings that can be
completed on the surface are described.
These settings will allow you to personalize
your A1 as desired.

3.1 General settings

In the

Settings

menu the following

functions can be set:
• Watch settings – please refer to chapter

2.1 Clock setting functions.

• User settings – backlight, display

contrast, units, owner info, desaturation
reset, service check, current software
version.

• Swim settings – swim stroke depth and

length.

• Sound settings – enable or disable

button beeps, dive warnings.

• Battery – check battery status.

WATCH

USER

SWIM

SOUND

BATTERY

RETURN

SETTINGS

DOWN

SEL

ESC

DOWN

3.1.1

User settings

This section allows you to customize your
A1 to your liking. Settings like backlight
duration, display contrast and units can be
changed here.

USER

LIGHT

CONTRAST

UNITS

OWNER

DESATURATION

RETURN

DOWN

SEL

ESC

DOWN

ESC

DESATURATION

SERVICE

DOWN

3.1.1.1 Backlight

In the

User

submenu press SEL/ESC to

access the backlight settings. The duration
of the backlight can be set from 5 up to 30
seconds using +/UP or -/DOWN buttons
and saved with another press of the SEL/
ESC button.

3.1.1.2 Contrast

In the

User

submenu toggle down to

Contrast

and press SEL/ESC to access

display contrast settings. Contrast can be
set from 0 up to 15 using +/UP or -/DOWN
buttons and saved with another press of
the SEL/ESC button.

Summary of Contents for Aladin A1

Page 1: ...Aladin A1 User Manual ...

Page 2: ...2 A1 USER MANUAL ...

Page 3: ...ches to Gauge mode and cannot be used as a decompression computer for the remaining time of the dive Diving at oxygen partial pressures higher than 1 6bar corresponding to a depth of 67m 220ft when breathing compressed air is extremely dangerous and could lead to serious injury or death Never risk your life on only one source of information Eventually every computer has the potential to fail so do...

Page 4: ...2 2 3 Apnea mode 19 2 3 Reading the altitude barometric and temperature values 19 3 A1 SETTINGS AND MENUS ON THE SURFACE 20 3 1 General settings 20 3 1 1 User settings 20 3 1 1 1 Backlight 20 3 1 1 2 Contrast 20 3 1 1 3 Units 21 3 1 1 4 Owner information 21 3 1 1 5 Desaturation reset 21 3 1 1 6 Service Information 22 3 1 2 Swim settings 22 3 1 3 Sound settings 23 3 1 3 1 Buzzer 24 3 1 3 2 Button b...

Page 5: ...display selection 38 4 1 2 2 1 Light version 38 4 1 2 2 2 Classic version 39 4 1 2 3 APNEA mode 39 4 2 Safety stop timer 40 4 3 Activating the backlight 40 4 4 Alarms and warnings during diving 40 4 4 1 Maximum depth warning 40 4 4 2 MOD ppO2 alarm 41 4 4 3 Dive time warning 41 4 4 4 Turning time 41 4 4 5 No stop time 2 minute warning 41 4 4 6 No stop time warning 41 4 4 7 CNS O2 warning over 75 4...

Page 6: ...5 2 2 Download dive profiles 54 5 2 3 Reading computer information 55 5 2 4 Writing owner information with LogTRAK 55 5 2 5 Setting units in LogTRAK 55 5 2 6 Updating your A1 56 6 TAKING CARE OF YOUR A1 57 6 1 Changing the watch strap 57 6 2 Display protection foil 58 6 3 Technical information 58 6 4 Maintenance 59 6 5 Warranty 59 6 6 Compliance 60 6 6 1 EU Radio directive 60 6 6 2 Diving 60 6 6 3...

Page 7: ...7 English A1 USER MANUAL ...

Page 8: ...ur underwater adventures while providing you with accurate depth time and decompression information On the surface its size makes it your ideal everyday companion With features such as wake up alarm dual time stopwatch barometer altimeter and swim mode the A1 can tackle almost every possible task The buttons allow you to initiate operating functions make setting changes and access menus while on t...

Page 9: ...l values toggles up to the previous menu Press and hold from the main time and date display shows the selected dive mode from the selected dive mode display activates the swim mode DOWN button Bottom Right Press subtracts numerical values toggles down to the next menu Press and hold from the main time and date display shortcut to dive ready mode which shows the main dive settings 1 4 Button lock A...

Page 10: ...anner menu indicator 3 UP button 4 Logbook menu indicator 5 Water contact 6 Not used in the A1 7 Dive menu indicator 8 DOWN button 9 Settings menu indicator 10 Low battery symbol 11 Altitude symbol 12 Not used in the A1 13 Gas menu indicator 14 SEL ESC button 15 Sport menu indicator 16 Ascent speed N2 bar 17 Bluetooth menu indicator 18 Light button 19 Altimeter menu indicator 20 No dive symbol ...

Page 11: ...ated by the battery symbol In this state the A1 cannot be used for diving WARNING When your A1 s battery reaches the end of its lifetime it is recommended that it be replaced by an authorized SCUBAPRO service center 1 7 Operation modes The A1 s different modes are shown on the dial ring of the computer and the current function mode is indicated with an arrow Each mode may have sub functions and me...

Page 12: ...OWN UP UP UP UP DOWN DOWN DOWN DOWN DOWN UP UP UP UP SEL Planner pages Altitude information Bluetooth connection Sport settings Dive settings menus User settings Gas settings SEL SEL SEL SEL SEL SEL SEL ESC ESC ESC ESC ESC ESC ESC ESC SEL ESC ESC DOWN UP TIME DATE User Settings Gas Settings Sport Settings Bluetooth connection Altitude information Planner pages Logbook pages ...

Page 13: ... to Settings with the DOWN button then press SEL ESC From the Settings menu toggle down to Watch then press SEL ESC From the Watch menu toggle down to Set Time then press SEL ESC By pressing UP or DOWN you can select the hours and confirm them by pressing SEL ESC The minutes can be set the same way After the minutes are confirmed the date can be adjusted the same way There are additional watch set...

Page 14: ...A1 AS AN EVERYDAY WATCH The A1 is more than just a watch It features Stopwatch with lap time and 72 hours of run time Swim stroke and distance counter Altimeter for tracking your excursions to the mountains Thermometer and barometer for current weather conditions Wake up alarm function Dual time 2 1 Clock setting functions Starting from the main time and date display press the SEL ESC button to en...

Page 15: ... in 15 minute increments The UTC 1 setting will be confirmed by pressing the SEL ESC button 2 1 3 Setting UTC 2 Dual time uses the same base time as the main clock Therefore adjusting the time as described in section Setting the time will also influence the dual time The dual time zone selection will define the difference to the main clock time When the time zone selection is OFF then the dual tim...

Page 16: ...N and confirm the date with the SEL ESC button In 24h time format the first digits in the date are days in AM PM time format the month is first You can toggle between 24h and AM PM in the Format submenu 2 1 6 Display design In this menu you may select the design of the main time and date display to suit your personal preferences by scrolling through the options with the UP or DOWN buttons Confirm ...

Page 17: ...EA RETURN SEL ESC ESC DOWN UP DOWN DOWN UP UP DOWN UP The functions of the buttons in Sport mode are summarized in the table below and explained in detail in the following sections LIGHT Press backlight Press and hold in Stopwatch mode returns to the main time and date display stopwatch will still be running in the background SEL ESC Press in Swim mode stops restarts timer Press and hold in Swim m...

Page 18: ... button By pressing and holding the SEL ESC button you can exit the stopwatch and return to the Sport menu F NOTE You can leave the stopwatch actively counting or you can leave the stopped time on the display The status will be stored in memory allowing you to continue from the same display at a future time 2 2 2 Swim mode Swim mode combines a stopwatch with a stroke and distance counter For prope...

Page 19: ...sure and shown in the middle of the screen The temperature in Celcius or Fahrenheit and air pressure in mbar at your current altitude are displayed in the bottom left and bottom right of the screen respectively F NOTE barometric pressure is a variable changing with weather and atmospheric pressure at a particular elevation The Dive algorithm uses Altitude Classes which are directly derived from th...

Page 20: ...TURN SETTINGS DOWN UP SEL ESC ESC UP UP UP UP UP DOWN DOWN DOWN DOWN DOWN 3 1 1 User settings This section allows you to customize your A1 to your liking Settings like backlight duration display contrast and units can be changed here USER LIGHT CONTRAST UNITS OWNER DESATURATION RETURN DOWN UP UP UP UP UP UP SEL ESC DOWN DOWN DOWN DOWN DOWN ESC DESATURATION SERVICE UP DOWN 3 1 1 1 Backlight In the ...

Page 21: ...ust be entered This procedure prevents unwanted resetting and stores the desaturation reset in memory in the next dive log the desaturation symbol will be shown By pressing the SEL ESC button in the Desat submenu the code page appears The first digit will be highlighted and can be edited by pressing the UP or DOWN buttons By pressing the SEL ESC button the number is confirmed and the next number w...

Page 22: ...ast service screen shows the current software version of the A1 You can download the latest version from the SCUBAPRO website see chapter 5 2 6 Updating your A1 3 1 2 Swim settings Next on the Settings menu listing is Swim Press the SEL ESC button to enter SWIM DEPTH LENGTH RETURN SEL ESC UP UP UP DOWN DOWN DOWN ESC For the swim stroke counter you must set the cycle threshold how much depth differ...

Page 23: ...ing Pressing the SEL ESC button will take you back to the previous submenu where you can toggle down to the stroke length settings These values can be set from 0 5m 2ft to 5 0m 16ft by pressing the UP or DOWN buttons Confirm your settings by pressing the SEL ESC button To convert each stroke to a distance the A1 needs an average length of a stroke This is similar to a pedometer which uses a step l...

Page 24: ...he UP or DOWN button followed by SEL ESC to save the setting 3 1 3 3 Dive warnings In this submenu the warnings in dive mode can be enabled or disabled by pressing the UP or DOWN button followed by SEL ESC to save the setting F NOTE Dive alarms are still active even if you switch the dive warnings off Dive alarms are deactivated only when the buzzer is switched off as described in chapter 3 1 3 1 ...

Page 25: ...he GAUGE and APNEA modes do not track tissue saturation so there is a locking interval before it is possible to change to SCUBA mode In GAUGE mode the locking interval is 48h after the last dive in GAUGE mode In APNEA mode there is a 12h locking interval with shallower than 5m 16ft dives and a 24h locking interval with deeper than 5m 16ft dives in APNEA mode 3 2 2 Scuba mode settings A set of SCUB...

Page 26: ...tion By pressing the SEL ESC button in this menu the Microbubble level will be highlighted By pressing the UP or DOWN buttons you may select your personal setting from L0 up to L5 L5 is the most conservative setting The selection is confirmed by pressing the SEL ESC button F NOTE More about diving with microbubble levels can be found in section 4 7 Diving with MB levels 3 2 2 3 Dive display type I...

Page 27: ...u at the surface with an audible tone and a blinking no dive symbol to let you know it s time to end the session and take a break 3 2 3 2 Surface interval factor Apnea diving organizations provide various recommendations regarding surface intervals between dives based on dive times or depths The A1 integrates a surface interval counter which employs simple multiplication for determining the surfac...

Page 28: ...ESC button again the second depth selection is shown Both depth alarms can be set from 5 to 100 meters 20 to 330 feet in 1m 5ft increments by pressing the UP or DOWN buttons By pressing the SEL ESC button the first value is confirmed and the second depth can be adjusted The value of the second alarm can be set the same way as that of the first alarm In the upper left section of the screen the dept...

Page 29: ...UDIBLE or OFF by pressing the UP or DOWN buttons By selecting AUDIBLE and then pressing the SEL ESC button the time value will be highlighted and by pressing the UP or DOWN buttons you can select the interval from 15 seconds up to 10 minutes in 15 second increments By pressing the SEL ESC button again the settings will be confirmed 3 2 3 6 Surface interval alarm By pressing the SEL ESC button the ...

Page 30: ...ton again the settings will be confirmed 3 2 4 Warning settings There are three warnings which can be enabled and edited directly in the A1 The rest of the warnings can only be enabled disabled via SCUBAPRO LogTRAK program To learn more about the warnings see chapter 4 4 Alarms and warnings during diving WARNING DIVE TIME DEPTH MOD RETURN DOWN UP SEL ESC ESC UP UP UP DOWN DOWN DOWN 3 2 4 1 Dive ti...

Page 31: ...extremely dangerous and could lead to serious injury or death 3 3 Gas settings In this section gas related settings are described From the main menu toggle down to the Gas menu and press the SEL ESC button to enter GAS GAS MIX O2 RESET RETURN SEL ESC ESC DOWN UP UP UP DOWN DOWN You can use your A1 with all nitrox mixes from air to pure oxygen 3 3 1 Setting gas oxygen content By pressing the SEL ES...

Page 32: ...n the time shown on the bottom row will be highlighted The time can be selected from 1 hour up to 48 hours by pressing the UP or DOWN buttons The nitrox reset time can be disabled by pressing the UP or DOWN buttons until h is shown on the display A press of the SEL ESC button will save the setting 3 4 Planning a dive You can plan your next dive based on your body s nitrogen saturation The planner ...

Page 33: ...d scrolled by pressing UP or DOWN The no decompression dive time is shown for that depth The current gas mix is shown on the bottom row CNS value replaces the gas mix on the bottom left of the screen when 1 would be reached for that depth with maximum no stop time F NOTE The minimum depth for dive planning is 9m 30ft The planner allows only depths in line with maximum ppO2 The oxygen content and m...

Page 34: ...hows the following information Dive number dive mode dive start time and date By pressing the SEL ESC button on the above screen the A1 will display the graphical profile of the dive This screen shows the following information Maximum depth total duration of the dive and the minimum temperature of the water By pressing the UP button on the above screen the following information will appear as in t...

Page 35: ...egardless of what state it was in prior to the immersion Details on the information displayed can be found in the next sections Dive time the dive time is displayed in seconds in APNEA mode and in minutes in SCUBA and GAUGE modes If during the dive you ascend to the surface the time spent on the surface will only be counted to the dive time if you descend again below 0 8m 3ft within 5 minutes This...

Page 36: ...figuration during the dive Throughout the dive the A1 displays depth and dive time always at the top of the screen Gas mix and the water temperature are shown at the bottom row The information in the middle of the screen changes and it is also selectable by pressing the UP or DOWN buttons 4 1 2 1 SCUBA mode display selection In SCUBA mode you can choose from two display versions while diving Light...

Page 37: ...ger duplicate of the top row depth Elapsed Dive Time this is a larger duplicate of the top row dive time Total Ascent Time which is the time to the surface with optimal ascent speed including the possible stops Gas Oxygen Content this is a larger duplicate of the bottom row O2 value 4 1 2 1 2 Classic version No Stop Time Decompression stop No Stop Time with MB level 0 Current MB level Current time...

Page 38: ...screen which can be selected as shown in the sections below F NOTE When the A1 is set to GAUGE mode it will only monitor depth time and temperature and it will not carry out any decompression calculations Due to this there are fewer alternative displays to scroll through 4 1 2 2 1 Light version Timer Current depth Elapsed dive time Average depth F NOTE The average depth can be reset by a press and...

Page 39: ...utton the surface interval starts counting in the middle of the display without a previous dive information depth is at top row and repetitive dive count is 0 at bottom row as in the screen below However after an immersion the surface screen shows the last max depth surface interval water temperature and amount of repetitive dives during the APNEA session By pressing the UP button the total time o...

Page 40: ...rous situations via warnings and alarms You can modify the warning and alarm settings in the menus or via the LogTRAK interface General warnings and alarms are shown in inverted text white with black background in the middle of the display Additionally audible signals are available when the sound function is enabled Warnings are shown for 12 seconds or they can be confirmed by pressing the SEL ESC...

Page 41: ...you when it s time to turn around and start ascending to the surface 4 4 5 No stop time 2 minute warning If you wish to avoid unintentionally performing a decompression dive the A1 can activate a warning when the no stop time reaches 2 minutes This applies to both L0 no stop and MB no stop time see chapter 4 6 for more information on MB level diving It gives you the opportunity to start ascending ...

Page 42: ...is alerts the diver to the fact that a direct ascent to the surface is no longer possible This warning applies to dives with the computer set to L0 L5 4 4 11 Missed decompression stop alarm If in the presence of a required decompression stop you ascend more than 0 5m 2ft above the required stop the A1 will indicate an alarm MISSED DECO This will continue for as long as you stay 0 5m 2ft or more ab...

Page 43: ... or all of your tissues with nitrogen If the ascent rate is greater than 110 of the ideal value the SLOW DOWN alarm is shown 4 4 15 SOS If you stay above a depth of 0 8m 3ft for more than 3 minutes without observing a mandatory decompression stop the A1 will switch into SOS mode Once in SOS mode the A1 will lock up and will be inoperable as a dive computer for 24 hours If it is used for diving wit...

Page 44: ...ar to advise you against performing another dive right away The suggested time interval that you should wait prior to diving again is shown in the top left section of the dive mode display You should not undertake a dive as long as the no dive warning is displayed on the computer screen If the warning is prompted by microbubble accumulation as opposed to CNS O2 over 40 and you dive anyway you will...

Page 45: ... SCUBAPRO s well known decompression model ZH L16 ADT and does not require additional stops due to microbubble formation Levels L1 to L5 offer additional protection from microbubble formation with level L5 offering the highest level and most protection Similar to the display of information during decompression dives or dives within no stop time the A1 displays the depth and duration of the first l...

Page 46: ...l therefore change over the course of the dive to reflect the continuously changing situation in your body Along the same lines PDIS will account for the accumulated nitrogen from previous dives hence PDIS is also repetitive dive dependent Conventional deep stops completely ignore these facts The following figure quantifies the extent of PDIS and illustrates its dependence on cumulative nitrogen u...

Page 47: ...splayed depth this is the opposite of a decompression stop where you are asked to remain just beneath the displayed depth During this intermediate stop the body is not taking up any more nitrogen in the leading compartment but rather releasing nitrogen though under a very small pressure gradient This combined with the relatively high ambient pressure inhibits bubble growth It should be noted that ...

Page 48: ...than the L0 base algorithm As such the PDIS display may be delayed and for certain dives it may not be displayed at all This for example would be the case for a shallow dive with air 21 oxygen and a MB level L5 4 9 Altitude diving 4 9 1 Altitude warning after a dive Climbing to altitude is similar to starting an ascent from a dive you expose your body to a lower partial pressure of nitrogen and yo...

Page 49: ...e every 60 seconds and if it detects a sufficient drop in pressure it does the following it indicates the new altitude range and if applicable the prohibited altitude range it indicates the desaturation time which in this case is an adaptation time to the new ambient pressure If a dive is started during this adaptation time the A1 considers it a repetitive dive since the body has residual nitrogen...

Page 50: ...diver s body at the same depth as compared to breathing air However the increase in oxygen concentration in nitrox implies an increase in oxygen partial pressure in the breathing mix at the same depth At higher than atmospheric partial pressures oxygen can have toxic effects on the human body These can be grouped into 2 categories 1 Sudden effects due to oxygen partial pressure over 1 4bar These a...

Page 51: ... Repetitive diving and very long exposures technical and rebreather diving with high ppO2 may cause long term pulmonary toxicity effects that can be tracked with OTUs If you exceed your OTUs for the dive a warning will be shown 4 11 Diving in GAUGE mode When the A1 is set to GAUGE mode it will only monitor depth time and temperature and will not carry out any decompression calculations You can onl...

Page 52: ... is saved in 1 second intervals In APNEA mode it is also possible to start and stop the dive manually with a press and hold of the DOWN button This way you can use the A1 for static Apnea dives where a normal dive start depth of 0 8 meters will not start a new dive Apnea mode at the surface after an immersion shows the maximum depth water temperature and the amount of repetitive dives The surface ...

Page 53: ...TION TO LOGTRAK 5 1 Establishing Bluetooth communication The A1 can be connected via Bluetooth to a desktop laptop or handheld device for downloading dive data configuring dive computer settings or uploading firmware updates From the main menu toggle down to Bluetooth using the UP or DOWN buttons Press the SEL ESC button At this point the A1 is ready for Bluetooth communication Bluetooth is active...

Page 54: ...tions Download Choose Bluetooth Low Energy option F NOTE The A1 has a timeout of 5 minutes for a non active Bluetooth connection After this interval the A1 will disable Bluetooth and return to time and date mode F NOTE Desktop PCs need a generic Bluetooth Low Energy 4 0 dongle if there is no build in Bluetooth 4 0 or newer module Windows version below 8 0 and Mac computers require an external Blue...

Page 55: ... the box use PC Time and selecting Write you can easily update your current time and date 5 2 4 Writing owner information with LogTRAK Owner information can be registered in the Extras Read dive computer settings Personalization section 5 2 5 Setting units in LogTRAK You can set your choice of units in your A1 or on your PC by using the following LogTRAK personalization section Extras Options Pers...

Page 56: ... the display with a progress bar After successful software download the A1 starts the reprogramming automatically Once the new software has been programmed the A1 will complete a few internal checks and perform a reboot After a successful update the A1 will display the message Software OK This message can be cleared by a short press of the SEL ESC button After this your A1 is again ready for norma...

Page 57: ... looks like in the screenshot below 6 TAKING CARE OF YOUR A1 6 1 Changing the watch strap The watch straps of the A1 can be removed and replaced by unscrewing the Torx screws at the corners of the watch body Different types of watch strap are available like the nylon NATO type strap linked metal strap and swiveled silicon strap ...

Page 58: ... 1m at depths deeper than 100m Resolution in feet is always 1ft Accuracy complies with EN13319 and ISO 6425 Decompression calculation range 0 8m to 120m 3ft to 394ft Clock Quartz clock time date dive time displays up to 99 minutes and 59 seconds and in minute steps up to 999 minutes Oxygen concentration Adjustable between 21 and 100 Operating temperature 10C to 50C 14F to 122F Power supply Lithium...

Page 59: ... dealer 6 5 Warranty The A1 has a 2 year warranty covering defects in workmanship and functioning The warranty only covers dive computers which have been bought from an authorized SCUBAPRO dealer Repairs or replacements during the warranty period do not extend beyond the warranty period itself Excluded from warranty coverage are faults or defects due to 1 Excessive wear and tear 2 Exterior influen...

Page 60: ...uency RF Exposure Guidelines and RSS 102 of the ISED radio frequency RF Exposure rules This transmitter must not be co located or operated in conjunction with any other antenna or transmitter The A1 contains TX FCC ID T7V1740 6 6 3 4 FCC Class B Digital Device Notice This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules...

Page 61: ...to human health Customers living in the European Union can contribute to protecting the environment and health by returning old products to an appropriate collection point in their neighborhood in accordance with EU Directive 2012 19 UE Collection points are provided by some distributors of the products and local authorities Products marked with the recycling symbol on the left must not be dispose...

Page 62: ...fore flying No Stop Time The amount of time a diver can stay at the current depth and still make a direct ascent to the surface without having to perform decompression stops O2 Oxygen O2 Oxygen concentration used by the A1 in all calculations OTU Oxygen Toxicity Unit PDIS Profile Dependent Intermediate Stop is an additional deep stop which is suggested by the A1 at a depth where the 5th 6th or 7th...

Page 63: ...ok 34 54 LogTRAK 21 30 40 54 Maintenance 59 MB levels 26 42 42 45 Microbubbles 45 MOD 31 33 42 Mountain lakes 50 No dive warning 33 Nitrox 32 50 Nitrox reset 32 No fly time 48 Oxygen concentration 50 58 Oxygen partial pressure 31 50 OTU 50 PC interface 53 Planner 32 33 33 ppO2max 50 Safety stop 40 47 SOS 43 Software 22 56 Stealth mode 24 Stopwatch 18 Surface interval 19 27 29 39 Technical informat...

Page 64: ...08 2019 Artbook 15775 19 ...

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