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Related Manuals for Uwatec Meridian
Summary of Contents for Uwatec Meridian
- Page 1 ® Meridian...
- Page 2 Meridian diving CoMputer - designed by divers Welcome to SCUBAPRO dive computers and thank you for purchasing the Meridian. You are now the owner of an extraordinary partner for your dives. This manual provides you easy access to SCUBAPRO state of the art technology and Meridian’s key features and functions. Should you wish to know more about SCUBAPRO diving equipment, please visit our website www.scubapro.com. Warning • Meridian has a depth rating of 120m/394ft.
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Page 3: Table Of Contents
2.1.8 Checking the device ID ............ 15 2.1 Menus and functions ................ 16 2.1.1 Using the Stopwatch .............. 17 2.1.2 Checking the Altitude ............. 17 2.1.3 Planning a dive ............... 18 2.1.4 Reading the Logbook ............. 19 2.1.5 Dive surface mode display ............. 20 Meridian as a dive computer ................21 3.1 Settings at the dive mode .............. 21 3.1.1 Dive mode at surface ............. 23 3.1.2 Surface interval counter ............ 23 3.2 Gas settings .................. 23 3.2.1 Set Gas 1 ................ 23 3.2.2 ... - Page 4 3.11.18 Cascading MB levels .............. 46 3.11.19 Level stop ignored/MB level reduced ........ 46 3.11.20 PDI Stops ................ 46 3.12 GAUGE mode .................. 47 3.13 APNEA mode .................. 49 Meridian accessories ..................50 4.1 HR belt .................... 50 4.2 Nylon arm strap .................. 50 Meridian pC interface ..................51 5.1 Cradle .................... 51 5.2 Introduction to SCUBAPRO LogTRAK ........... 51 5.2.1 Download dive profiles ............ 51 5.2.2 Change warnings/settings of the Meridian and reading dive computer info ................. 52 SCUBAPRO MERIDIAN...
- Page 5 Meridian ..................53 6.1 Technical information ................ 53 6.2 Maintenance .................. 53 6.3 Replacing the battery in Meridian ............ 54 6.4 Warranty .................... 55 glossary ....................... 56 index ........................58 SCUBAPRO MERIDIAN...
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Page 6: Introduction To Meridian
1 introduction to Meridian. This section provides an overview of the Meridian dive computer and describes its operating modes and functions when on the surface. 2 Meridian as a watch. This section describes Meridian when it is used as a watch. 3 Meridian as a dive computer. This section describes all settings and functions of Meridian as a dive computer and takes ... - Page 7 Failing to do so will cause Meridian to flood during your next dive and permanently damage the dive computer. Damage to Meridian due to an improper battery replacement is not covered by warranty. We strongly recommend having...
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Page 8: Meridian As A Watch
The functions of the buttons when on the surface are summarized in the table below WatCh and explained in detail in the following sections. Meridian is more than just a watch. It features: • a wake-up alarm-clock function • a stopwatch with lap time and 99 hours LIGHT... - Page 9 2. Meridian as a watch TIME & DATE +/UP SET alarm STOP watch STOP watch clock function +/UP +/UP Altitude meter +/UP +/UP Planner SET time Planner pages +/UP +/UP SET 12/24h Logbook mode pages +/UP +/UP Dive settings SET date DIVE mode &...
- Page 10 2. Meridian as a watch The reference point for any description of Meridian as a watch is the main time of day display. This is the display in which the current time is shown in the middle row. The upper display row shows the date. For example the diagram below shows ...
- Page 11 2. Meridian as a watch Clock setting functions you may edit the settings and values on that current menu. By pressing the SEL/ESC button from the main time and date display you will get into clock settings (marked dark at the graphics below). By pressing +/UP button you scroll to the next menu. By pressing SEL/ESC button TIME & DATE...
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Page 12: Setting The Alarm Clock
2. Meridian as a watch 2.1.1 Setting the alarm clock 2.1.3 Setting the time Alarm off By pressing the SEL/ESC button the alarm time will start flashing. You can scroll the hours setting by pressing +/UP or –/DOWN buttons. By again pressing the SEL/ESC button the minutes will start flashing and by pressing +/UP or –/DOWN buttons you can scroll them. By again pressing the SEL/ESC button the state of alarm will start flashing and ‘on’ or ‘off’ can be selected by pressing +/UP or –/ DOWN buttons. Pressing the SEL/ESC button again at the Setting the current time end will confirm the alarm time settings. In the display above the current time is ... -
Page 13: Set The 12/24H Mode
2. Meridian as a watch 2.1.4 Set the 12/24h mode is the month). By pressing the SEL/ESC button the setting will be saved and move to the next digits. Again by pressing the SEL/ESC button the year digits after the dot will start flashing. 2.1.6 Setting the sound to “off ” (silent mode) 24 hour display By pressing the SEL/ESC button at the ... -
Page 14: Checking The Battery Status
2. Meridian as a watch 2.1.7 Checking the battery status The battery status menu displays how much energy is left in the CR2032 battery. A brand new battery shows 5 dots. Meridian is periodically measures the battery status and you can manually trigger this display by pressing the SEL/ESC button in the battery status menu. The intelligent battery algorithm will limit some functions when the battery is close to running out. See the table below for battery status and function details. Battery status Battery status Display in other... -
Page 15: Checking The Device Id
NOTE: The battery capacity and voltage at the end of the battery lifetime may vary depending on battery manufacturers. Generally, operation at low temperatures decreases the battery capacity. Therefore, when the battery indicator drops below 3 dots, change the battery before making any dives. Change the battery before the next dive 2.1.8 Checking the device ID Each Meridian watch has a specific, individual ID number. The 10 digit ID number is shown in this menu. SCUBAPRO MERIDIAN... -
Page 16: Menus And Functions
By simply pressing buttons +/UP or –/ DOWN from the time of day display you can scroll through the various menus in Meridian. The diagram below shows the sequence of the menus. Note that when you first reach a menu, you are “outside” of it. You must SEL/ESC button to enter the ... -
Page 17: Using The Stopwatch
2. Meridian as a watch 2.1.1 Using the Stopwatch The laps can be marked by pressing –/DOWN button when stopwatch is counting. By doing so the display will freeze for 5 seconds and Meridian shows the lap time. The first menu from the time of day display is STOP (watch). By pressing SEL/ESC button the stopwatch will be activated. Counting will continue automatically and the lap counter will show the number of ... -
Page 18: Planning A Dive
15 minutes increments. The prohibited altitude is shown on the top row and by increasing the surface interval the allowed limit will get to maximum (level 4). In case Meridian is displaying the no-dive warning, the duration of the warning itself is displayed as recommended surface interval for planning purposes (rounded up to the nearest fifteen-minute increment). -
Page 19: Reading The Logbook
2. Meridian as a watch when computing no-stop times or Depth No-stop time decompression schedules. By pressing SEL/ESC for planned depth the dive time appears at top row. Start point (minimum now) is the no decompression time. By pressing +/UP or –/DOWN buttons you may change ... -
Page 20: Dive Surface Mode Display
• GAUGE mode: The bottom row will show the average depth. 2.1.5 Dive surface mode display This display is the starting point of dive functions and sub menus related to underwater options. This is described in detail in the following section 3 Meridian as a dive computer. SCUBAPRO MERIDIAN... -
Page 21: Meridian As A Dive Computer
While diving, it displays depth, dive time, decompression status, water temperature and much more. On the surface, after a dive, it displays remaining desaturation time, no-fly time, surface interval and prohibited Altitude Classes are shown in addition to the watch functions. 3.1 Settings at the dive mode When Meridian is in surface mode, you can access various menus dedicated to diving and customize various settings. SCUBAPRO MERIDIAN... - Page 22 3. Meridian as a dive computer DIVE mode Surface Interval (SCUBA/APNEA/GAUGE) (only when desat left) +/UP SET GAS SET GAS 1 +/UP SET GAS D +/UP Nitrox reset time +/UP +/UP SET HR limits +/UP Desaturation reset +/UP SET SCUBA...
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Page 23: Dive Mode At Surface
Surface interval 3.2 Gas settings 3.2.1 Set Gas 1 You may use your Meridian with all nitrox However in SCUBA mode after a dive, the mixes from Air to pure oxygen. display may appear as shown below: By pressing the SEL/ESC button in this display the oxygen mix of Gas 1 starts flashing. By pressing the +/UP or –/DOWN ... -
Page 24: Set Gas D
Nitrox reset time If you are generally diving with one gas or air only and want to return to this setting after occasional nitrox or multi gas dives, you can preset a default time when your Meridian will reset to air and disable the Gas d. Warning Diving deeper than the MOD is dangerous and may lead to serious injury or death. By pressing the SEL/ESC button the user ... -
Page 25: Workload Settings (Pulse Limits)
Desaturation reset Warning Resetting desaturation will effect calculations of the algorithm and this may lead to serious injury or death. Do not reset desaturation without a solid purpose. When Meridian is still counting down the By pressing the SEL/ESC button the desaturation, some menu changes are following menu’s can be scrolled down. not possible. In case the user decides to reset the desaturation, the safety code 313 ... -
Page 26: Maximum Dive Time Alarm
3. Meridian as a dive computer By pressing SEL/ESC button the function L5. L5 is the most conservative setting. The starts to flash and you may select On or Off selection is confirmed by pressing SEL/ by pressing the +/UP or –/DOWN button. ESC button. The selection is confirmed by pressing SEL/ESC button. Alarm depth Micro Bubble level NOTE: more about diving with the MB levels, read chapter: Diving with MB Status levels. -
Page 27: Selecting The Salt (Ocean) Or Fresh Water
3. Meridian as a dive computer 3.3.7 Setting the Backlight on takes place in dive mode, in the log book, duration alarm settings, altitude settings etc. By pressing SEL/ESC button on this menu the backlight duration field at bottom row starts flashing. By pressing the +/UP or –/DOWN button you may scroll between user presettable on time from 4 up to 60 ... -
Page 28: Deactivating The Water Contacts
3.3.9 Deactivating the water contacts Warning If you chose the option “Water contacts off”, Meridian will turn on with a delay of up to 1 minute into the dive. This will affect functioning of the dive computer. Make sure the Meridian is on the surface mode before starting the dive. By pressing SEL/ESC button on this menu ... -
Page 29: Setting The Depth Incremental Alarm
3. Meridian as a dive computer be masked by the continuous alarm Dive time interval and you cannot hear the first one. 3.4.2 Setting the depth incremental alarm With this alarm you can set repetitive depth alarms at given depth increments. By pressing the SEL/ESC button in this menu the incremental alarm depth starts ... -
Page 30: Setting The Ascent Speed Alarm
3. Meridian as a dive computer 3.4.6 Setting the Ascent speed By pressing the SEL/ESC button at the alarm PULSE menu the low heart rate value starts to flash. By pressing the +/UP or –/ With this alarm you can set ascent speed DOWN button you can set the value from alarm. By pressing SEL/ESC at this menu 25 to 100 beats per minute. By pressing (SPEEd) the ascend speed starts to flash. ... -
Page 31: Algorithm Selection
3. Meridian as a dive computer may change the value between 1000 and Meridian shown below has been dived in 1050 gram/liter (58417..61339 Grains/ GAUGE mode and the NO CHANGE lock gallon). By pressing the SEL/ESC button is still on for another 4 hours. the value is confirmed. From the last SCUBA dive the change to ... -
Page 32: Diving With Meridian
3. Meridian as a dive computer 3.6 Diving with Meridian Note that Meridian can be set to three dive modes: SCUBA, APNEA and GAUGE. Due The functions of the buttons during diving to the operation differences also buttons are summarized in the table below. have different functions in each mode. LIGHT • Short press = backlight, (Left upper • Long press = bookmark button) +/UP • Short press = alternative display data (Right upper •... -
Page 33: Display Configuration During The Dive
3. Meridian as a dive computer information on MB levels, please refer to Current depth Dive time chapter 3.11.15 diving with Mb levels. 3.6.2 Display configuration during the dive Throughout the dive, Meridian displays the current depth (upper left corner), the elapsed dive time (upper right corner) and the no-stop or decompression information (middle row). Max depth No-stop time Dive display limits (imperial) Depth: the depth is given in 10cm resolution ... -
Page 34: Altitude Diving
If you have remaining desaturation on Meridian, you can view the current altitude and the prohibited altitude by pressing the –/DOWN button from the main time display. In the top left corner, Meridian will display two numbers: the left number represents the current altitude, whereas the right number represents the prohibited ... -
Page 35: Altitude And The Decompression Algorithm
3. Meridian as a dive computer Warning surrounding you has an influence on ongassing and offgassing of nitrogen. Flying while Meridian displays the NO FLY Above a certain altitude, the decompression symbol can result in serious injury or death. algorithm has to change in order to account for the effect of the change in atmospheric pressure. 3.7.2 Altitude and the decompression algorithm Meridian divides the possible altitude Atmospheric pressure is a function of ... -
Page 36: Decompression Dives In Mountain Lakes
3. Meridian as a dive computer 3.8 No-dive warning after a Current Altitude Ascent to Altitude dive Class Class 4 prohibited If Meridian detects a situation of increased risk (due to the potential microbubble accumulation from previous dives or a CNS level above 40%), the no dive symbol will appear on the display to advise you against performing another immediate dive right away. The suggested time interval that you should wait prior to diving is shown on the dive mode display. No-dive warning In the example above, the diver is presently at Altitude Class 2 and should not reach ... -
Page 37: Sos
Meridian change between the modes: GAUGE, will switch into sos mode. Once in sos APNEA and SCUBA are possible mode Meridian will lock up and will be immediately. However, since the inoperable as a dive computer for 24 hours. GAUGE and APNEA modes are not If it is used for diving within the 24hours ... -
Page 38: Diving With Two Gas Mixtures
0.5bar, and decreases when the oxygen for all the extra gas that you are carrying partial pressure is lower than 0.5bar. with you. At the same time Meridian can Hence, while on the surface breathing air also show you what the decompression ... - Page 39 At this point Deco mix Bottom mix you can manually initiate the gas switch by Diving with 2 gas mixtures pressing and holding SEL/ESC button. Meridian will display the text gas 1 and switching gas mixture during the dive its MOD, flashing. At this point press During the ascent phase, when you reach a seL/esC button to confirm the switch. depth corresponding to the MOD of gas d, ...
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Page 40: Warnings And Alarms
3. Meridian as a dive computer accordingly, basically reflecting the fact that and the value of the CNS O will be flashing you will finish the dive using Gas 1 only. in the lower right corner. The flashing will continue until the value of CNS O drops NOTE: if after Meridian has changed under 75%. the decompression schedule to reflect the missed gas switch, you descend... -
Page 41: Entering Decompression
OFF aside for the low battery alarm. Meridian emits a sequence of audible • When Meridian is set to SOUND OFF mode, beeps and the STOP symbol flashs, both all audible alarms and warnings are for 12 seconds, when the MB no-stop time switched off. -
Page 42: Mod/Ppo
100% there is proportion to the degree that the ideal danger of oxygen toxicity. Start procedure to ascent rate is exceeded. terminate the dive. In case of a fast ascent, Meridian may require a decompression stop even within Meridian tracks your oxygen uptake via the the no-stop phase because of the danger CNS O clock. If the calculated value of ... -
Page 43: Missed Decompression Stop
3. Meridian as a dive computer CNS O reaches 100%, Meridian will emit a the required stop, Meridian will trigger an sequence of audible beeps for 12 seconds alarm: the value of the current depth and and the value of the CNS O will be flashing the value of the required stop depth will in the lower right corner. The flashing will ... -
Page 44: Activating The Backlight
3. Meridian as a dive computer shallower than 6.5m/20ft and there are no a dive. Dives within no-stop time and decompression obligations, you can press observance of decompression stops do –/DOWN button to restart the countdown not prevent the formation of microbubbles manually. in the venous blood circulation. Meridian has been equipped with an enhanced ... -
Page 45: Display Information
3. Meridian as a dive computer 3.11.16 Display information how the information appears on the display, we shall use the example of a dive with MB When diving with an MB level other than L3 set in the dive computer. L0, Meridian still carries out all calculations relating to L0 in the background. To understand the relation between set MB level and the underlying L0 calculation and L3 information L0 information display details... -
Page 46: Display Of Underlying L0 Decompression Information
Meridian shows symbol PDIS and the requirements are. depth of the suggested Stop at the bottom row. 3.11.18 Cascading MB levels When diving with an MB level, Meridian carries out all calculations relating to L0 and to all MB levels in between the currently active one and L0. This gives the diver the flexibility to start with a given MB level but to cascade down to a less conservative ... -
Page 47: Gauge Mode
MUST perform a safety stop at 5m/15ft for 3 to 5 minutes. Performing a 3 to 5 minute stop at Dive time 5m/15ft at the end of any dive is still the best thing you can do for yourself! 3.12 GAUGE mode Max depth Stopwatch During a dive in GAUGE mode, Meridian displays a stopwatch in the middle row. This can be reset and restarted by pressing +/ up button. While in GAUGE mode, the average depth When Meridian is set to GAUGE mode, it will can be reset. To reset the average depth, only monitor depth, time, and temperature, press and hold –/doWn button and will not carry out any decompression ... - Page 48 3. Meridian as a dive computer 1 second past 10 o’clock combined with water temperature that is 20˚C. Time of day Water temperature Alternative information can be selected in the following order: 1. Max depth (after 1m/3feet ascent detected) 2. Temperature 3. Average depth 4. Current time of the clock at the middle row, temperature on the bottom row SCUBAPRO MERIDIAN...
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Page 49: Apnea Mode
3. Meridian as a dive computer 3.13 APNEA mode Maximum depth Dive duration Surface interval Sequential number of APNEA Meridian has an advanced APNEA diving dives on this session mode. The main features include faster APNEA mode at surface sampling rate than in normal SCUBA mode and alarm functions tailored to APNEA APNEA mode during the dive shows at ... -
Page 50: Meridian Accessories
Meridian receives fthe signal of the SCUBAPRO heart rate belt. The position to Divers using thick neoprene wetsuit or wear a HR belt is shown below. drysuit may prefer longer arm strap. Adjust the strap so that it is comfortable to Meridian can be equipped with one piece wear but so that it holds on the place. 31cm/12inch Scubapro nylon arm strap. When using a diving suit the HR belt must be directly against the skin. Moisten the electrode areas if your skin is ... -
Page 51: Meridian Pc Interface
PC/MAC is possible only with a cradle. Select the COM port that is used for Meridian cradle. 4. Place the Meridian on the cradle The communication between the Meridian and the cradle is established via the contact on the case. Therefore if the water contact... -
Page 52: Change Warnings/Settings Of The Meridian And Reading Dive Computer Info
Select Extras -> Options -> measurement units: 5.2.2 Change warnings/settings of the Meridian and reading dive computer info By selecting Extras -> Computer settings you can enable/disable warnings that cannot be changed at Meridian unit via menus. SCUBAPRO MERIDIAN... -
Page 53: Taking Care Of Meridian
• do not store Meridian in a sealed container, always ensure free ventilation • If there are problems with the water contact, use soapy water to clean Meridian and dry it thoroughly. Do not use silicone grease on the water contacts! •... -
Page 54: Replacing The Battery In Meridian
Meridian stores the tissue saturation information in non-volatile memory, so the battery can be replaced at any time between dives without loss of information. NOTE: • After a dive, Meridian stores tissue desaturation data once an hour while on the surface until it is completely desaturated. If battery is changed while... -
Page 55: Warranty
6. taking care of Meridian 6.4 Warranty Meridian has a two-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 the warranty period itself. Excluded from warranty coverage are faults or defects due to: • excessive wear and tear • exterior influences, e.g. transport damage, damage due to bumping and hitting, influences of weather or other natural phenomena •... -
Page 56: Glossary
MOD: Maximum Operating Depth. This is the depth at which the partial pressure of oxygen (ppO ) reaches the maximum allowed level (ppO max). Diving deeper than the MOD will expose the diver to unsafe levels. Multi gas: Refers to a dive in which more than one breathing gas is used (air and/ or Nitrox). Nitrox: A breathing mix made of oxygen and nitrogen, with the oxygen concentration being 22% or higher. In this manual, air is considered as a particular type of Nitrox. NO FLY: Minimum amount of time the diver should wait before taking a plane. No-stop time: This is the time that a diver can stay at the current depth and still make a direct ascent to the surface without having to perform decompression stops. Oxygen. Oxygen concentration used by the dive computer in all calculations. PDIS: Profile Dependent Intermediate Stop is an additional deep stop which is suggested by Meridian at depth where 3rd, 4th or 5th compartment starts off gassing. PMG: Predictive Multi Gas, refers to the algorithm capable of including up to two different Nitrox mixes in its decompression calculations. Partial pressure of oxygen. This is the pressure of the oxygen in the breathing mix. It is a function of depth and oxygen concentration. A higher than 1.6bar is considered dangerous. max: The maximum allowed value for ppO . Together with the oxygen concentration it defines the MOD. Press: The act of pressing and releasing one of the buttons. SCUBAPRO MERIDIAN... - Page 57 7. glossary Press and The act of pressing and holding one of the buttons for 1 second before hold: releasing it. INT.: Surface interval, the time from the moment the dive is closed. SOS mode: The result of having completed a dive without respecting all mandatory decompression obligations. Stopwatch: A stopwatch, for example to time certain legs of the dive. Switch depth: The depth at which the diver plans to switch to a higher oxygen concentration mix while using the multi gas option in the ZH-L8 ADT MB PMG algorithm. UTC: Universal Time Coordinated, refers to time zone changes when traveling. SCUBAPRO MERIDIAN...
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Page 58: Index
23, 42, 56 Mountain lakes 34, 35 No-dive warning Nitrox 24, 37, 56 Nitrox reset No-fly time Oxygen concentration Oxygen partial pressure PC interface PMG 38, 56 max Predictive Multi Gas see “PMG” Safety stop timer 26, 43 SOS mode 37, 57 Stopwatch Surface interval 18, 23, 29, 57 Technical information Time of day 8, 16 Time zone 56, 57 Units UTC 12, 57 Wake-up alarm-clock Warning clock Warnings 40, 52 Water contact Water type SCUBAPRO MERIDIAN...
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