Seac JACK User Manual
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Seac JACK User Manual

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Dive computer
JACK
User Manual
Ver. 1.0
Made in Italy
1
English

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  • Page 1 Dive computer JACK User Manual Ver. 1.0 Made in Italy English...
  • Page 2 English...

  • Page 3: Table Of Contents

    Reset to Default (reset to factory defaults) FITNESS: Step counter INFO CLOCK ALARM Dive menu Connect your JACK computer to your Mac or PC. DIVE SET 1 (Dive settings 1) Updating your JACK Dive Computer DIVE SET 2 (Dive settings 2) FREE SET (Freedive Settings)

  • Page 4: Important Warnings

    Using the computer incorrectly will void the warranty and can reducing the risk of accidents for the diver. This makes JACK permanently damage the computer. a unique dive computer and places it at a higher level of safety.

  • Page 5: Warnings

    12 hours have elapsed since the most Anyone unfamiliar with these risks or who does not knowingly recent SCUBA or GAUGE dive. accept them must not dive with a SEAC computer. m WARNING! m WARNING! It is strictly forbidden to freedive in the 12 hours after diving...

  • Page 6: Dives With Nitrox Mixtures

    Dives with Nitrox mixtures. ascents, yo-yo dives, skipping mandatory decompression stops, dives with surface intervals that are too close together, When setting the gas fraction in the tank, the computer will only and any other behavior that goes against common sense or accept whole numbers, so in the case of a verified gas fraction your training.

  • Page 7: Limits Of Dive Computers

    • The warranty will be forfeited if the computer is opened by an unauthorized service center. • The JACK computer is built to withstand use in sea water, but after the dive it must be rinsed thoroughly in fresh water and not exposed directly to sunlight or sources of heat to dry it.

  • Page 8: Technical Characteristics Of The Computer

    Special focus went into developing a navigation system that allows divers to access settings easily and intuitively. Brief summary of Technical Characteristics • Sensor precision guarantee: 130 m. SEAC JACK • Maximum depth: 150 m / 500 ft (Sport edition). Taravana Yes (iPTM) •...
  • Page 9 SEAC JACK SEAC JACK Compass 3D compass, 1° resolution Backlighting SuperBright LEDs Outdoor functions Altimeter, Backlighting Barometer, Temperature, Standard timer, Manual on/off, Always on activation mode Weather forecast in the water. Pedometer Display 100% dot matrix | 80x80 pixel Fitness Functions...

  • Page 10: Recharging The Battery

    WARNING! Don't leave the JACK with a fully dead battery for a long time m WARNING! (e.g. 6 months); this can damage the battery. JACK will...

  • Page 11: Dives In Especially Cold Water (<3 °C)

    Dives in especially cold water (<3 °C) JACK can also be used for dives in especially cold water (<3 °C). However, exposure to especially low temperatures can negatively affect the voltage remaining in the battery, decreasing the computer's burn-time. If you dive in especially cold water, the battery voltage can run out much faster than normal.

  • Page 12: Jack Out Of The Water

    The JACK computer features a Sleep Mode function. After 1 minute of complete immobility (such as when set aside for the night), JACK will turn off its screen automatically to save battery. All the functions of the computer continue to function normally: alarm, desaturation (when needed), time, etc.

  • Page 13: Lock Screen

    Lock screen After 60 seconds of inactivity in watch mode, the computer automatically activates “lock” mode. Push any button to unlock JACK. The computer is unlocked when the battery % is shown below the time screen. Lock screen JACK unlocked...

  • Page 14: Jack Menu Structure

    JACK menu structure Start 54° here. UP/exit/ CHRONO Activate backlight (only MOON FITNESS function of this button) 200m JACK 990mb CLOCK ALARM +27°C unlocked iDive Exit Select Down Compass and Outdoor 12:30 DISPLAY 01/01 SYS SET Exit PC MODE Select...

  • Page 15: Watch Screen

    Watch screen Lock screen When not diving, watch mode is considered the main screen for JACK. When navigating the menu, the computer will return automatically to the watch screen if no button is pressed for 60 seconds. Unlock Unlock Watch mode displays the following:...

  • Page 16: Watch Menu

    Watch Menu The watch menu contains all settings not directly related to diving. To access the Watch Menu, unlock JACK by pressing any button, and press button from the watch screen. Press buttons to scroll through the menu items, and press to select the desired option.

  • Page 17: Display (Screen Settings)

    DISPLAY (Screen settings) The settings for the JACK screen can be changed from the DISPLAY menu. Refer to the figure at left to navigate the DISPLAY menu. JACK BKL LEVEL: (0-10). Adjust the backlight power. unlocked m WARNING! Setting a very high value reduces JACK's battery time. 12:30 DISPLAY BKL TIME: (0-60). Adjust the duration of backlighting in minutes for AUTO mode.

  • Page 18: Sys Set (Date And Time)

    UTC 2 (Coordinated Universal Time): Adjusts the second time zone. 01/01 Select Set UTC and UTC 2 with two different values to display double time zones on the JACK watch screen. Set the same UTC value to display a single time. Increase value TIME: Sets the time (24hr format).

  • Page 19: Pc Mode (Connected To Pc Or Mac)

    PC MODE (connected to PC or Mac) PC MODE is used to connect JACK to DiveLogger on PC or Mac. JACK unlocked To download DiveLogger and connect JACK to PC or Mac to download dives and run updates, connect to: http://www.seacsub.com 12:30...

  • Page 20: Compass (Compass Settings)

    COMPASS (Compass Settings) Compass settings can be changed from the COMPASS Menu. JACK DECLIN: Declination is used to compensate for the difference between unlocked geographic north and magnetic north. You can obtain this information from special websites. 12:30 DISPLAY COMPASS (If you don't know how to set the DECLIN value, leave it at 0.0).

  • Page 21: Reset To Default (Reset To Factory Defaults)

    RESET ? This can lead to the risk of accidents, including fatal ones. The tissues can only be reset if the JACK device will be used by a person SETTINGS: NO who has not taken any dives in the previous 48 hours.

  • Page 22: Info

    INFO The INFO Menu shows the information about the JACK unit. JACK Full model name: SEAC - JACK. unlocked Y/N: Unit serial number. 12:30 APOS: Version of the operating system installed on the unit. DISPLAY COMPASS SYS SET DEFAULT PC MODE...

  • Page 23: Dive Menu

    Dive menu The Dive menu contains all the settings directly related to the dive. To access the Dive Menu, unlock the JACK by pressing any button, and from the watch screen press the button to access the dive screen. Then press the button to access the dive menu.

  • Page 24: Dive Set 1 (Dive Settings 1)

    MODE: FREE the watch screen and taking a dive deeper than 2 m. This way, JACK will P.SAFE: activate the mode that you selected without changing the MODE value for that one dive.
  • Page 25 P.SAFE: Level of conservativism (OC = Open Circuit Dive). Use only in The JACK (in OC mode) uses the Bühlmann ZHL-16B scuba mode algorithm for the decompression calculation. The conservatism of the JACK can be changed among preset levels from 0 to 5. The levels correspond to the...

  • Page 26: Dive Set 2 (Dive Settings 2)

    (only if the dive is outside the no-deco limit and requires deco stops). DECO CTRL: (ON/OFF): If enabled (ON), JACK will not permit any new dives in the 12 hours following a dive in which any significant deco violations occurred. Disabling (OFF) the DECO CTRL is not recommended, and will be permanently recorded in the JACK Logbook.

  • Page 27: Free Set (Freedive Settings)

    FREE SET (Freedive Settings) Use only in The FREE SET Menu displays the freediving settings on the freedive the JACK. JACK function unlocked T LEVEL: (Taravana conservativism level) (0-9): Changes the personal conservativism coefficient in calculating the 12:30 DIVE SET1 DIVE SET21 minimum recovery time to reduce the risk of Taravana.
  • Page 28 OEDEMA: (Pulmonary Oedema): Depth you intend to Use only in reach, or the “comfort” depth (depth reachable without the freedive special effort), based on which the computer will calculate JACK function the preparatory dives required to reduce to a minimum unlocked the risk of pulmonary oedema.

  • Page 29: Free Alarm (Freedive Warning)

    Use only in The FREE ALARM Menu allows you to set auditory the freedive warnings in freedive mode. function JACK TYPE: (OFF - FIXED - STEP - TIME) Sets the desired alarm unlocked type. If TYPE = OFF No alarm is activated.
  • Page 30 If TYPE = STEP An auditory alarm is activated every X meters. START: Depth of the first alarm beyond which the STEP alarms are activated. STEP: Indicates every how many meters (or feet if the Imperial system is set) TYPE: STEP the alarm will be activated. START: STEP: Example (START=10, STEP=5) TIME: 0:00 Alarm 1 = 10 m Alarm 2 = 15 m...

  • Page 31: Mix (Dive Mix Settings)

    The MIX Menu shows the mix settings that will be used scuba mode during the dive. JACK unlocked With the OC (Open Circuit) function, JACK can use 1 Mix with oxygen % from 21% to 50%. 12:30 m WARNING! PLANNER...

  • Page 32: Planner (Within No-Deco Limits)

    JACK unlocked PLANNER (within no-deco limits) JACK integrates a complete planner for square profile dives. 12:30 Warning: To change the dive parameter, set up JACK as desired from the DIVE PLANNER LOGBOOK SET menu and the MIX menu; the computer will simulate the dive using the ALARM DIVE...

  • Page 33: Planner (Deco Planner)

    DEPTH 01/01 want it in the DIVE SET menu and the MIX menu. JACK will simulate the dive using the current settings. For DEPTH, Time and Evaluate refer to “No-Deco Planner” (previous page). If the dive is NOT within no-decompression limits (deco stops called for): DPT: Depth of the decompression stop in meters (in feet if Imperial units are set).

  • Page 34: Logbook

    (sample rate 10 seconds). The data saved in JACK's Logbook can be downloaded to a Mac or PC using the USB cable included in the package and the DiveLogger software, which can be...

  • Page 35: Alarm (Open Circuit Alarms)

    ALARM (Open Circuit Alarms) Use only in The ALARM Menu allows you to enable (YES) or disable JACK scuba mode (NO) JACK's auditory alarms in open circuit mode. unlocked 12:30 PLANNER m WARNING! LOGBOOK ALARM DIVE m/min DEPTH 01/01 Except for special situations, we do not recommend disabling auditory alarms.

  • Page 36: The Compass

    COMPASS section of this manual. The JACK compass has a resolution of 1° and an accuracy of +/- 1°. The tilt is compensated automatically up to 85°. After rotating your arm, it may take a few seconds for the compass to find the correct alignment again.

  • Page 37: Weather Forecast

    Weather Forecast JACK The weather forecast is based on monitoring atmospheric pressure in the unlocked previous 18 hours using the built-in barometer. For a reliable weather forecast, no changes in elevation should be made. Otherwise the change in atmospheric pressure due to the change in altitude could introduce inaccuracies into the 12:30 weather forecast.

  • Page 38: Altimeter, Barometer, Thermometer

    Thermometer: (At lower left, expressed in °C or °F): Indicates the temperature of the JACK case. The temperature measured by JACK is the temperature of the watch case itself. Therefore, when worn on your wrist it will measure a temperature higher than the outside temperature.

  • Page 39: Apps For Jack Free

    Apps for JACK Free JACK has some applications installed. JACK unlocked UP /exit/ To access them, press the button (after you have navigated to the compass screen). CHRONO 12:30 MOON 54° FITNESS CLOCK ALARM Select Exit to leave the App menu, or press the...

  • Page 40: Jack During The Dive

    JACK DURING THE DIVE JACK automatically activates dive mode when the diver moves past 1.5 m in depth. The factory setting for JACK is in Freedive mode, however you can select the mode to be activated in the DIVE SET 1 menu.

  • Page 41: Reducing The Risk Of Oedema / Hemoptysis

    During a freedive, hemoptysis is typically caused by a rupture of capillaries in the lungs that have been subjected to too much stress without having first performed the appropriate warmups. To reduce the risk of pulmonary oedema, JACK recommends which dives to take first in order to “warm up” the capillaries in the lungs depending on the depth you want to reach, or the “comfort” depth (depth you can reach without special effort).

  • Page 42: Reducing The Risk Of Taravana

    • Hypoxia (Insufficient oxygen in the body). • Dehydration. Taking into consideration all the possible causes that can trigger the syndrome, after every dive JACK suggests the minimum “Recovery time” (RECOVERY) before beginning the next dive to reduce the risk of Taravana. The variables can be set from the FREE SET menu in JACK (see dedicated section in this manual).

  • Page 43: Hydration Alert

    Hydration alert On the basis of the number of dives taken, their duration, and the depths reached, the computer will display the HYDRATE alert to remind the freediver to hydrate (even when the body has not yet noticed the need). There is no need to press any button after having rehydrated.

  • Page 44: Dive In Scuba Mode (Oc)

    Dive in SCUBA mode (OC) m WARNING! This manual does NOT replace adequate training! The diagram below shows the information shown during a dive with scuba equipment: Principal information Current depth (at left): Expressed in meters or feet. Run time (at right): Dive time in minutes: seconds. Dive mode (at upper right): OC = Open Circuit.
  • Page 45 m WARNING! This manual does NOT replace adequate training! Safety Stop: In the event that a Safety Stop has been set (recommended), it will be shown on the display in the center line of the computer during the ascent, beginning at a depth of 9 m. (The safety stop is omitted automatically when the dive exceeds the no-decompression limits).

  • Page 46: Other Information During The Dive

    To return to the dive screen, continue to press the button or wait a few seconds. Oxygen % (at left): Oxygen Percentage in the mix that JACK is using for the decompression calculation. m/min Ascent speed (in the center): Speed in real time (in meters/minute or feet/ 37.4...
  • Page 47 Algorithm conservativism level (at left): Level of conservativism applied to the decompression algorithm. CNS (at center): % of CNS accumulated up to that point. 12.4 Maximum Depth (at right): Maximum depth reached during the dive. Next set of data Graphic profile (at center): Real time dive profile. Standard Time (at lower right) standard time expressed in hh:mm.

  • Page 48: Dive In Gauge Mode

    MIX with a high content of inert gases (10/60, recorded in the LogBook). If after a dive in GAUGE mode you want to take a dive in OC using GAUGE the decompression calculations, JACK will consider the new dive to be the next repetitive dive of the day. AVG Depth PLEASE NOTE 15.2...

  • Page 49: Compass During The Dive

    To calibrate the compass, refer to the COMPASS section of this manual. To set the route, press the button. While navigating, JACK considers the direction to be “on route” if the desired route diverges no more than 5° from the direction set. App / exit The current depth is shown on the lower right.

  • Page 50: Apps During The Dive

    Apps during the dive JACK The applications on JACK can be used both during freedive sessions and during unlocked UP /exit/ open circuit or gauge dives. To access them, press the button (after you have navigated to the compass CHRONO 12:30 screen).

  • Page 51: Jack After The Dive

    Always refer to your training or a hyperbaric doctor about the minimum interval before exposing yourself to changes in pressure. After every dive in OC or GAUGE mode, JACK shows the NO FLY warning on the watch screen.

  • Page 52: Desaturation Information

    Desaturation information Once 10 minutes have elapsed after the last dive with scuba equipment (open circuit or gauge), the desaturation data can be shown on the watch screen by JACK pressing the button. unlocked Desat: Desaturation time remaining (hh:mm). 12:30...

  • Page 53: App Menu

    App Menu To access the App Menu, press any button to unlock the JACK. Press the button to access the compass screen and press the button again to access the App menu. Press the B, buttons as shown in the figure to navigate around the menu. To exit the App Menu quickly, press the button after selecting the first app available in the list, or select EXIT.

  • Page 54: Chrono: Stopwatch

    CHRONO: Stopwatch Press the B, buttons as shown in the figure to use the app. Exit If the stopwatch is running, use the button to save the partial times (LAP TIME and LAST LAP TIME). 00:00:00 If the stopwatch is stopped, the button will reset all times. The Stopwatch only stops when you press the button.

  • Page 55: Fitness: Step Counter

    FITNESS: Step counter Press the B, buttons as shown in the figure to use the app. The JACK shows (from top to bottom). Number of Steps Distance covered Current speed Calories burned Press the button to reset the step counter. To make the reading as accurate as possible, walk or run at a consistent rate,...

  • Page 56: Clock Alarm

    The time set for the alarm is shown in the center. The ON/OFF activation switch is located at center bottom. ON = JACK issues an audible alarm each day at the time set. CLOCK ALARM OFF = No alarm set.

  • Page 57: Connect Your Jack Computer To Your Mac Or Pc

    Connect your JACK computer to your Mac or PC. JACK can be connected to your Mac or PC to download dives or for performing updates. Updating your JACK Dive Computer It's very important to keep your JACK Dive Computer consistently up to date with the most recent version of the software.

  • Page 58: Certificate Of Guarantee

    If the sender still wishes an inspection to be performed, the parts of it that are not authorized in advance by SEAC or that sender will forward a request to SEAC within the subsequent are carried out by non-authorized personnel automatically and fifteen working days; in this request he/she must expressly...
  • Page 59 Failing this, SEAC will return the product at the expense and care of the recipient. The warranty always excludes defects or imperfections derived from: Improper use or excessive stress. Failure to follow the usage instructions. External agents, such as damage due to transport, blows or falls, atmospheric agents, natural phenomena, or chemical agents.
  • Page 60 © 2017 Unauthorized reproduction prohibited, in whole or in part. SEACSUB S.p.A. English...
  • Page 61 NOTES ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................English...
  • Page 62 NOTES ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................English...
  • Page 63 NOTES ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................English...
  • Page 64 SEACSUB S.p.A. Seac USA Corp. Via D. Norero, 29 7925 NW 12th Street, Suite 229 16040 S. Colombano Certenoli Miami FL 33126 (GE) Italy United States Tel. +39 0185356301 Fax +39 0185356300 Tel. +1 786 580 -3695 e-mail: seacsub@seacsub.com e-mail: seac.usa@seacsub.com www.seacsub.com...

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