Uwatec M2 User Manual
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Uwatec M2 User Manual

Uwatec M2 User Manual

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  • Page 1 ® User Manual...
  • Page 2 WARNING • The M2 is delivered in deep sleep mode where the display is off. You must activate the M2 by pressing and holding the SEL button before the first dive. The M2 will not start the dive mode or may show a wrong depth value if activation is not done before immersion.

  • Page 3: Table Of Contents

    3.2.6.3 Surface exercise logs (“SE”) ........23 3.2.6.4 Sport mode exercise logs (“SP”) .......23 The M2 as a dive computer ................24 Settings in the dive mode at surface (“DIVE”) ......... 24 4.1.1 Surface interval counter (“Int”) ..........26 Gas settings (“GAS”) ................26 4.2.1...
  • Page 4 Backlight duration (“LIGHT”) ........... 37 4.5.5 Desaturation reset (“DESAT”) ..........37 SWIM mode settings (“SWIM”) .............. 38 Algorithm selection (”ALGO”) ..............39 Diving with the M2 (“SCUBA”) ............... 39 4.8.1 Display information ..............40 4.8.2 Display configuration during the dive ........40 4.8.2.1...
  • Page 5 M2 PC interface ....................58 Cradle - accessory ................58 Introduction to Scubapro LogTRAK ............59 Change warning settings of the M2 and reading the computer information ..59 Taking care of your M2 ..................60 Technical information ................60 Maintenance ..................

  • Page 6: Introduction To The M2

    If the symbol functions when on the surface. blinks, the battery level is dangerously low 2 The M2 as a watch. This chapter describes and the backlight and alarm tones cannot the M2 when it is used as a watch.

  • Page 7: Operation Modes

    OPERATION MODES The reference point for any description of the M2 as a watch is the main time of day display. This is the display in which the current time is shown on the middle row. The upper row shows the date and the bottom row shows the day of the week.

  • Page 8: The M2 As A Watch

    DOWN THE M2 AS A WATCH NOTE: Temperature reading -- when worn on the wrist against bare skin, The M2 is more than just a watch. It the reading is influenced by body heat. features: • Wake-up warning function. The functions of the buttons on the surface •...

  • Page 9: Clock Setting Functions ("Set - Watch")

    “SET” menu by pressing DOWN the SEL button you will get into the clock settings (See chart below). SET date DOWN SET Sound DOWN CHECK battery state The different sub-menu functions are described in later chapters. M2 USER MANUAL...

  • Page 10: Setting The Alarm Clock ("Alarm")

    The new time setting will be confirmed by 3.1.2 Setting the UTC (“UTC 1”) pressing the SEL button. NOTE: Seconds cannot be edited; they always start counting from 0. M2 USER MANUAL...

  • Page 11: Setting 24H Or Am/Pm Mode ("Mode")

    (ATT), where DOWN buttons in 15-minute intervals. The alarm and attention tones are on. The sound UTC2 setting will be confirmed by pressing off selection is protected with a code. the SEL button. M2 USER MANUAL...

  • Page 12: Accept Code Protection ("Code")

    Diving mode not change battery Blinking battery symbol, Completely used battery, allowed, only watch is no dive symbol change to fresh, watch active. Settings cannot may make a reset any be changed (OFF) time and remain off M2 USER MANUAL...

  • Page 13: Menus And Functions At The Surface

    Therefore, when the can scroll through the M2’s various menus. battery indicator drops below 3 dots, The diagram below shows the sequence of change the battery to a fresh one before the menus.

  • Page 14: Using The Stopwatch ("Stop")

    In the first display the stopwatch shows the actual state: stop. The counted shows the status, which can be stop, run or time stays on the display. lap. When first activating the stopwatch the time display is as shown above. M2 USER MANUAL...

  • Page 15: Using The Sport Mode ("Sport - Press Sel For Start")

    - PRESS SEL FOR START”) button when the stopwatch is counting. By doing so the display will freeze for 5 seconds and the M2 will show the lap time. Counting will continue automatically and the lap counter will show the number of laps on the bottom of the screen.

  • Page 16: Reading The Altitude, Barometer And Temperature Values ("Alti")

    6. Barometer. row. Or, with a press-and-hold of the +/ NOTE: Since the M2 is worn on the wrist, UP button you get the barometric pressure it is counting repetitive movements from at current altitude in mbar.

  • Page 17: Declination ("Declin")

    By pressing the +/UP or when traveling to another location or -/DOWN buttons you can select the value where the earth’s magnetic field from -90..90° in 1° increments. By pressing strength is different. SEL the value will be confirmed. M2 USER MANUAL...
  • Page 18 1. START HORIZONTAL 2. ROTATE HORIZONTAL 3. START VERTICAL 4. ROTATE VERTICAL 5. READY By pressing the SEL button the recalibration process will start. Hold the M2 so that its display points upwards. Press the SEL button. M2 USER MANUAL...
  • Page 19 Rotate the M2 at least 180° horizontally. Press the SEL button. Rotate the M2 at least 180° horizontally. Press the SEL button. Hold the M2 so that its display points sideways. Press the SEL button. The M2 3D compass recalibration is now complete.

  • Page 20: Planning A Dive ("Plan")

    Altitude diving. NOTE: When the M2 is in GAUGE or In cases where the M2 is displaying the no- APNEA modes the planner is disabled. dive warning, the duration of the warning This is indicated by showing OFF in this itself is displayed as recommended surface menu.

  • Page 21: Reading The Logbook ("Log")

    Gas settings. The first page shown is the dive history. WARNING On the display above, the M2 has 123 dives and total of 148 hours of diving stored in the If you have set the ppO max to off, the logbook, with the deepest dive at 40.8 meters...

  • Page 22: Scuba Log

    The following page shows the gas start NOTE: If the dive has been done pressure and used gas amount for the Gas 1. in GAUGE or APNEA modes, or exercises in Surface or Sport modes M2 USER MANUAL...

  • Page 23: Apnea Log ("Ap")

    By pressing the +/UP or -/DOWN buttons the dives in the current session can be scrolled. 3.2.6.3 Surface exercise logs (“SE”) The M2 has a SWIM mode. The log appears as SE (Surface Exercise) for exercises done on the surface. 3.2.6.2 APNEA log (“AP”) The M2 organizes the APNEA dive training in a special way for easier data reading.

  • Page 24: The M2 As A Dive Computer

    (“DIVE”) seconds) and total elevation done during the exercise (200m). When the M2 is in Surface mode, you can access various menus dedicated to diving and customize various settings to your liking. The dive computer functions of the M2 on the...
  • Page 25 DOWN When you have not been diving with your However, in SCUBA mode after a dive, the M2 for a while (no desaturation time left) display may appear as shown below: the SCUBA mode may appear as shown Remaining desaturation time on the middle...

  • Page 26: Surface Interval Counter ("Int")

    DOWN ALGORITHM SET 4.1.1 Surface interval counter (“Int”) After a dive the M2 shows the surface interval from the latest dive. The surface interval counter counts until desaturation is complete. After desaturation is complete this menu disappears. The remaining CNS% is shown on the top row and the NO-FLY time is shown in hours on the bottom row until this restriction is completed.

  • Page 27: Set Gas 1, 2 Or D ("Gas 1/2/D")

    By pressing the SEL button in this display (“GAS 1/2/D”) the oxygen content of the gas starts You may use your M2 with all nitrox mixes blinking. By pressing the +/UP or -/DOWN from air to pure oxygen. buttons you may scroll the value from 21 up to 100%.

  • Page 28: Enabling The Ccr Mode ("Ccr")

    By pressing the +/UP or -/DOWN buttons you may scroll the value from 21 up to 40%. By pressing the SEL button, the tank content is confirmed and the setpoint 1 (SP1) ppO starts blinking. By pressing the +/UP or -/ M2 USER MANUAL...

  • Page 29: Nitrox Reset Time ("Gas Reset")

    By pressing SEL the pressure value starts when your M2 will reset back to air. blinking and you may set a value from 20 to 120bar in 5-bar increments (299..1749psi...
  • Page 30 Position of the transmitter for right handers Smart transmitter communicates with the M2 via radio frequency. For best transmission, we recommend positioning the transmitter as described in the pictures Position of the transmitter for left below. handers, if there is no connection possible on the left hand side.
  • Page 31 In order for the M2 to display the pressure NOTE: The transmitter must have signal from a Smart transmitter, a coded, been unpressurized for at least 40 interference-free line of communication has seconds prior to the pairing operation; to be established first. This step needs to be otherwise, it will not transmit the performed only once for each transmitter.

  • Page 32: Scuba Settings ("Scuba")

    By pressing the +/UP or -/DOWN buttons the value can be SALT / FRESH selected from 5 to 195 minutes in 5-minute WATER increments. The selection is confirmed by pressing the SEL button. M2 USER MANUAL...

  • Page 33: Setting The Microbubble Level ("Mblevel")

    DOWN DEPTH INCREMENTAL ALARM DOWN DIVE TIME INTERVAL ALARM DOWN The M2 determines depth by measuring SURFACE INTERVAL pressure using water density as a constant. ALARM A 10m/33ft depth in salt water corresponds DOWN approximately to 10.3m/34ft in fresh water.

  • Page 34: Setting The Apnea Session Total Depth ("Total Session")

    Setting the surface interval confirmed by pressing the SEL button. factor (“SIF”) After a dive, if the SIF is set, the M2 will indicate the surface interval with a static no-dive symbol until the time has elapsed which is then followed by an audible tone.

  • Page 35: Setting The Depth Incremental Alarm ("Increm")

    By pressing +/UP or -/DOWN you pressing the SEL button the alarm value will can select the interval from 15 seconds up be confirmed. to 10 minutes. By pressing SEL again the selection will be confirmed. M2 USER MANUAL...

  • Page 36: Setting The Heart Rate Low Limit ("Lo Pulse")

    5.0 meters/second (1..15 feet/second). By By pressing the SEL button in this menu the pressing the SEL button the selection will be workload input starts blinking, and by pressing confirmed. +/UP or -/DOWN you may select between M2 USER MANUAL...

  • Page 37: Heart Rate Limits ("Hr Wl")

    Do not reset desaturation without a solid purpose. When the M2 is still counting down desaturation, some menu changes are not possible. If you do decide to reset desaturation, the safety code 313 must be given.

  • Page 38: Swim Mode Settings ("Swim")

    -/DOWN buttons. By pressing the SEL and the distance per cycle for the proper button the values are confirmed. result. The following illustration shows the parameters. depth threshold stroke length Apnea, scuba, gauge M2 USER MANUAL...

  • Page 39: Algorithm Selection ("Algo")

    (“SCUBA”) The functions of the buttons during diving are summarized in the table below. Note that the M2 can be set to three Dive modes: SCUBA, APNEA and GAUGE. Due to the operational differences between modes, the buttons will have different functions depending on which mode you are using.

  • Page 40: Display Information

    Decompression information: when M2 calculates the need for a mandatory decompression stop, it shows you how long and how deep your deepest stop is. It Upon immersion, the M2 will automatically also gives you the total ascent time. Stops...

  • Page 41: Skin Temperature

    For example, timed tasks on dive 7. Maximum depth (only if a 1m/3ft ascent courses or special missions, etc. is detected). The M2 offers a stop timer in SCUBA mode. 8. Water temperature. The stop timer can be selected by pressing 9. Actual tank O the +/UP button and it is shown on the top 10.

  • Page 42: Setting Bookmarks

    By a press-and-hold of the “LIGHT” button levels) that have been programmed into the you can set any number of bookmarks as M2, from L1 to L5, with L5 being the most reminders of particular moments during the conservative and L1 being just a bit more dive.

  • Page 43: Pdi Stops

    After the dive profile has reached a level 5m/15ft at the end of any dive is still the best where a PDI Stop is recommended, the M2 thing you can do for your safety. shows the PDIS symbol and depth on the bottom row.

  • Page 44: Desaturation Reset

    SOS mode the M2 will lock up and will intervals between changes on modes. be inoperable as a dive computer for 24 hours. If it is used for diving within the 24 hours of an SOS lock, it will automatically...

  • Page 45: Diving With Two Or More Gas Mixtures

    At the same time the M2 can also show 2. Against long exposure effects: the you what the decompression schedule M2 “tracks” the exposure by means of the...

  • Page 46: Switching Gas Mixture During The Dive

    MOD of Gas be set in ascending order or as equal, d, the M2 will suggest that you perform as shown in the picture above. the switch. An audible sequence goes off, •...

  • Page 47: Gas Switch Not Carried Out At The Planned Depth

    50% nitrox mix button to start the gas switch procedure. at a depth of 10 meters in salt water. The M2 will show the text Gas 2 or Gas d and its MOD flashing on the display. This WARNING helps you verify that you are performing a switch to a safe gas.

  • Page 48: Enabling The Ccr Mode

    For example, with a SP1 of 0.5bar the depth If you have remaining desaturation on the would be approximately 13.8m in salt water. M2, you can view the current situation by Time selecting the dive menu. The desaturation text and remaining count- down time are shown on the middle row.

  • Page 49: Altitude And The Decompression Algorithm

    WARNING manually activate the check by a press-and-hold of both +/UP and -/ At altitude class 4 the M2 functions in GAUGE mode only (automatic switch from computer mode). DOWN buttons at the same time. This kind of false dive will not be stored in NOTE: You can check your current the M2 logbook.

  • Page 50: Decompression Dives In Mountain Lakes

    NOTE: When the no repetitive dive symbol is on, the planner on the middle The M2 tracks your oxygen uptake via the row initially shows the time period CNS O clock. If the calculated value of when diving would be allowed again.

  • Page 51: Entering Decompression

    Entering decompression - When in GAUGE mode, all warnings and all alarms are off except for the low battery alarm. - When the M2 is set to “sound off” all audible alarms and warnings are switched off. 4.11.5 Ascent rate As you ascend during a dive, the pressure surrounding you diminishes.

  • Page 52: Mod/Ppo

    MOD. In case of a fast ascent, the M2 may require a decompression stop even within the 4.11.7 CNS O...

  • Page 53: Missed Decompression Stop

    MB level stop, or after ignoring the MB level warning you stay at a shallower depth, the M2 will reduce your MB level to the next possible level. The audible alarm will be active for 12 seconds and the new MB level will blink on the top row for 1 minute.

  • Page 54: 4.11.11 Low Battery

    4.12 GAUGE mode (“GAUGE”) the battery symbol is blinking, the backlight cannot be activated and the audible When the M2 is set to GAUGE mode, it will warnings and alarms are no longer available. only monitor depth, time, and temperature, 4.11.12 RBT = 3 min or RBT = 0 min...

  • Page 55: Apnea Mode ("Apnea")

    -/DOWN button. This way Alternate info can be selected by pressing you can use the M2 for static apnea dives the +/UP button in the following order: where a normal dive start depth of 0.8m will 1.

  • Page 56: 4.14 Swim Mode

    M2 reverts to the M2 must be fixed to your ankle. the APNEA mode menu display. The M2 can be set to SWIM mode from any of the surface displays (SCUBA, GAUGE, APNEA) by a press-and-hold of the +/UP button.

  • Page 57: M2 Accessories

    In SWIM mode and during surface exercise, the M2 displays the count of strokes or heart rate on the top row, the elapsed time on the You must enable the heart rate setting on middle row and the converted total distance your M2.

  • Page 58: Wireless High Pressure Transmitter

    Display guard You can protect your M2 glass face with a SCUBAPRO display guard. This foil can be easily replaced if damaged. M2 PC INTERFACE Cradle - accessory Wireless high pressure Communication between the M2 and a transmitter PC/Mac is possible only with a cradle. A...

  • Page 59: Introduction To Scubapro Logtrak

    2. Launch LogTRAK on your PC 3. Select the serial port where the cradle is connected Extras -> Options -> download Select the COM port that is used for M2 cradle. 4. Place the M2 on the cradle. Download dive profiles From LogTRAK, by selecting Dive ->...

  • Page 60: Taking Care Of Your M2

    M2, the following recommendations will help ensure years of trouble-free service: - Avoid dropping or jarring your M2. - Do not expose your M2 to intense, direct sunlight. - Do not store your M2 in a sealed TAKING CARE OF container;...
  • Page 61 A leaking battery cap may lead to the We recommend having the M2 battery replaced by destruction of the M2 by water seeping in or an authorized SCUBAPRO dealer. The change must cause the M2 to switch off without prior notice.

  • Page 62: Warranty

    - Improper placement of the battery cap. Warranty For European Union markets, the warranty The M2 has a two-year warranty covering of this product is governed by European defects in workmanship and function. legislation in force in each EU member state.

  • Page 63: Glossary

    PDIS: Profile Dependent Intermediate Stop is an additional deep stop which is suggested by the M2 at depth where the 3rd or 4th compartment starts off- gassing. Partial pressure of oxygen. This is the pressure of the oxygen in the breathing mix.

  • Page 64: Index

    LogTRAK SOS mode 43, 63 Stopwatch Surface interval 26, 34, 35, 63 Technical information Time of day 8, 13 Time zone Units 10, 63 Warning clock Wake-up warning Warnings 50, 59 Water contact 58, 60 Water type M2 USER MANUAL...

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