Shearwater Teric Operating Instructions Manual
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Shearwater Teric Operating Instructions Manual

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  • Page 1 Operating Instructions...

  • Page 2: Table Of Contents

    12�9� General ������������������������������������������������������������������������������������� 75 CC Example Dive (cont�) ������������������������������������������������������������� 32 CC Example Dive (cont�) ������������������������������������������������������������� 33 13. Firmware Update and Log Download ..76 6�4� Gauge Mode ����������������������������������������������������������������������������34 13�1� Shearwater Cloud Desktop ������������������������������������������������ 76 13�2� Shearwater Cloud Mobile �������������������������������������������������� 78 Page 2 RevA...
  • Page 3 Operating Instructions 14. Teric Strap ..........79 15. Charging ............. 79 16. Troubleshooting ......... 81 16�1� Warnings and Information Displays �������������������������������� 81 16�2� AI Connection problems ���������������������������������������������������� 82 17. Storage and Maintenance ......83 17�1� Transmitter Battery Replacement ������������������������������������83 18. Servicing ............. 83 Glossary ............

  • Page 4: Conventions Used In This Manual

    Information boxes contain useful tips requirements. Dives requiring staged decompression are substantially for getting the most out of your Teric. more risky than dives that stay well within no-stop limits. Diving with rebreathers and/or diving mixed gases and/or performing...

  • Page 5: Introduction

    • Bluetooth Dive log uploading to Shearwater Cloud • Free firmware updates 1. Introduction The Shearwater Teric is an advanced dive computer for all types of diving. Please take the time to read this manual. Your safety may depend on your ability to read and understand the Teric displays.

  • Page 6: 1�1� Notes On This Manual

    If you are unsure, consult the appropriate section of the Some features of the Teric only apply to certain dive modes. Look manual for reference. for the corresponding mode icons throughout the manual to help distinguish which features are available in the various modes.

  • Page 7: Basic Operation

    1 mbar of pressure corresponds to approximately To turn the Teric On, press any button. 1 cm (0.4”) of water. So, the Teric will automatically turn-on and enter dive mode when about 0.9 m (3 ft) underwater when at sea level.

  • Page 8: 2�2� Buttons

    Operating Instructions Button Hints 2.2. Buttons When in a menu, button hints label each button: All Teric operations are simple single button presses. SELECT LIGHT FUNC (Upper Left) (Upper Right) Dive Watch Tools Deco DOWN HOME Deco Model MENU INFO...

  • Page 9: 2�3� Changing Between Modes

    Switching to Watch mode customizable shortcut that makes accessing To change from Dive your most used mode to Watch mode, functions on the Teric a press the Menu button little easier. and select Watch from DECO the main menu. 20 2...

  • Page 10: Dive Mode Interface

    The Teric comes per-configured for recreational Designed for use during recreational, diving. no-decompression diving activities. • Nitrox Only - no helium The default dive mode for the Teric is Open Circuit • Safety Stops Recreational (OC Rec) displayed with the “Big” screen • Enhanced warnings layout.

  • Page 11: 3�3� Main Screen Layout

    Operating Instructions 3.3. Main Screen Layout Standard layout The Teric has two different screen layouts available in Top Row every dive mode, Big and Standard. Depth, Mode & Ascent Rate Change the Screen layout from the Dive Settings Menu. See details on page 63.

  • Page 12: 3�4� Detailed Descriptions

    Operating Instructions Freedive Mode Ascent / Decent Rate Display 3.4. Detailed Descriptions Freedivers ascend much faster than SCUBA divers. So, ascent rate in freedive mode is measured in feet per second (fps) or meters per second (mps) rather than The Top Row feet per minute or meters per minute.
  • Page 13 All decompression information including O2/He Deco Stops, NDL, and Time to surface are By default the Teric uses a 10ft (3m) last stop depth. predictions that assume: At this setting, you may perform the last stop at 20ft (6m) with no penalty. The only difference is that the •...
  • Page 14 Operating Instructions Active Gas The Info Row In all three examples, the first Info row slot is taken by 27 1 The Info row is the center row in the Big layout the Active Gas. and the third row in the Standard layout. Info row information is customizable.
  • Page 15 Operating Instructions 103.6 4:57 Alternate Active Gas and Set point Location The Bottom Row : 18 When the info row is not displaying the active breathing gas (or diluent), or the current internal set point, these values are displayed in the bottom row. The alternate active gas location is at very bottom of the computer display.

  • Page 16: 3�5� Info Screens

    Press the INFO button TEMP BATTERY Note that although these screens are generally (bottom right), to step �C representative of the Teric display, info screen content through Info Screens SURFACE varies for each mode. For example, decompression mBar NOW mBar SURF related info screens are not available in gauge mode.

  • Page 17: 3�6� Info Screen Descriptions

    Operating Instructions 3.6. Info Screen Descriptions Compass Last Dive Info SURFACE LAST DIVE Marked headings appear in green while reciprocal 30.7 26:57 headings are shown in red. Green arrows point in the direction of your mark when off course by 5˚ or more. SURFACE Compass info row will not time out in Standard layout.
  • Page 18 Operating Instructions Gradient Factor Partial Pressure of Oxygen in Diluent DilPO2 displays the partial pressure GF99 The deco conservatism value when SurfGF DilPO2 of oxygen in the diluent gas PPO2. the deco model is set to GF. The low 35/75 Displays in Flashing Red when...
  • Page 19 The surface pressure is set based on the lowest A positive “Delta plus 5” indicates that you are on- pressure the Teric sees in the 10 minutes prior to the gassing the leading tissue while a negative number start of a dive.
  • Page 20 Operating Instructions Tissues Bar Graph Sample Tissue Bar Graphs TISSUES TISSUES SURFACE The tissues bar graph shows the tissue compartment SURFACE inert gas tissue tensions based on the Bühlmann ZHL- On surface (sat. with air) 16C model. Note: Gas is 79% N (21% O , or Air) The fastest tissue compartment is shown on the...

  • Page 21: 3�7� Home Screen Customization

    Operating Instructions Home Screen Customization Options 3.7. Home Screen Customization Option Info Display Option Info Display In The Standard layout, the Home screen (first page) 27 1 27 1 Info Row is customizable with 1, 2 or 3 items. O2/He PPO2 PPO2 18/45...

  • Page 22: 3�8� Alerts

    Alert the user to system errors. Doesn't flash. Errors represent unexpected O2/He PPO2 ERROR 21/00 Critical alerts flash between inverted and system behavior. Contact Upgrade Fail normal text. Shearwater if you experience SURFACE a system error. Alert Alert Flashes Page 22 RevA...
  • Page 23 (false negative). Audible and Vibration Alerts So by all means respond to these alarms if In addition to visual alerts, the Teric you see them, but NEVER depend on them. has audible and vibration alerts...

  • Page 24: Safety And Decompression Stops

    There is no lock-out or other penalty for Settings. omitting a safety stop, as they are optional. The Teric does not do “deep safety stops”. That is, If you ascend to the surface before the safety there are no extra stops added around 50ft to 60ft stop countdown finishes, the safety stop will (15m to 18m) when ascending from a no-deco dive.

  • Page 25: 4�2� Decompression Stops

    Operating Instructions 4.2. Decompression Stops Deco Stop Violation DECO If you ascend shallower than a 50 2 deco stop, but remain deeper Decompression stops are mandatory stops that than your current ceiling, stop must be followed in order to reduce the risk of info will display in yellow.

  • Page 26: Decompression And Gradient Factors

    Operating Instructions Graph from Erik Baker’s “Clearing Up The Confusion About Deep Stops” 5. Decompression and Gradient Pressure Graph: Gradient Factors Factors 100% 80% 60% 40% The basic decompression algorithm used by this computer is Bühlmann ZHL-16C. It has been modified M-value by the use of Gradient Factors that were developed Gradient...

  • Page 27: 5�1� Decompression Information Accuracy

    Operating Instructions Example: A diver on a decompression dive to 5.1. Decompression Information 40m/131ft for 40 minutes with GF settings of Accuracy 45/85 has two gases programmed into their computer and turned on: 21/00 & 99/00. The diver’s decompression schedule will be calculated based on Decompression information displayed by this breathing 21% oxygen for the decent, bottom and computer, including NDL, stop depth, stop time, and...

  • Page 28: Example Dives

    Operating Instructions 6. Example Dives 6.1. OC Rec Example Dive This is an example of displays that might be seen on a : 26 SURFACE simple no-decompression dive in OC Rec Mode using the Big layout configuration. 1. Pre-Dive - This is the surface screen the diver sees 1�...

  • Page 29: 6�2� Oc Tec Example Dive

    Operating Instructions 6.2. OC Tec Example Dive Deco Edit Gases 99/00 Deco Model This is an example of displays that might be seen on a ZHL16C+GF 50/00 multi-gas decompression dive in OC Tec Mode using GF Conserv. 18/45 the Standard layout configuration. High 35/75 00/00 Last Stop...

  • Page 30: Oc Tec Example Dive (Cont.)

    Operating Instructions OC Tec Example Dive (cont.) 6. Max depth - Once NDL hits 0, deco stops will be DECO DECO 27 1 24 2 needed. Stop requirements display in the deco box in place of the NDL. TTS has increased to include deco O2/He PPO2 O2/He...

  • Page 31: 6�3� Cc Example Dive

    Operating Instructions 6.3. CC Example Dive CC Gases BO Gases 10/50 50/00 This is an example of displays that might be seen on a 00/00 21/00 multi-gas decompression dive in CC/BO Mode using 00/00 14/55 the Standard layout configuration. 00/00 00/00 00/00 00/00...

  • Page 32: Cc Example Dive (Cont.)

    5� Pre-Dive 6� Diluent Check active diluent gas is set to 10/50, our set point is 0.7, the Teric’s battery is about half charged, and only vibration alerts are active. 6. Diluent Check - Pressing INFO a few times brings up the info screen that shows the diluent PPO2.

  • Page 33: Cc Example Dive (Cont.)

    Operating Instructions CC Example Dive (cont.) 11. First Deco Stop - The slow ascent has caused the first stop to clear before we reached it. This often DECO DECO happens with slow ascents. 45 1 30 2 >> O2/He O2/He 12.

  • Page 34: 6�4� Gauge Mode

    Operating Instructions 6.4. Gauge Mode Gauge Mode turns the Teric into a simple depth and time display (a.k.a. a bottom timer). Since decompression tissues are not tracked in Gauge Mode, changing to or from Gauge Mode resets the STOPWATCH deco tissues.

  • Page 35: Freedive Mode

    7. Freedive Mode 7.1. Default Freediving Layout By default, freedive mode is in the Big layout. It shares Freedive mode optimizes the Teric for freediving. most features with the other dive modes but has a few unique characteristics. Although many of the basic functions of the computer are the same as in other dive modes, Freedive mode •...

  • Page 36: 7�2� Freediving Info Screens

    A freedive set is a collection of settings customized TEMP BATTERY for a specific type of freediving. �C SURFACE The Teric supports 3 independently customizable sets. For each set, the user can customize the alerts mBar NOW mBar SURF 2564 1013 activated during a dive as well as a handful of settings that will often change between activities.
  • Page 37 Operating Instructions Freediving alert types: Deep Info - Appears in blue. Regularly test you alerts with the Test Alert tool described on page 40 to ensure they STOPWATCH INFO 103.6 4:57 are working and you can hear/feel them Notify Time through your exposure suit.

  • Page 38: Dive Tools

    54 in the Watch Tools HIDDEN pop-up. section. 8.1. Compass Mark a heading The Teric contains a tilt-compensated digital compass. The heading degree mark is displayed at the bottom of the compass pop-up. Compass Features • 1 degree resolution The current heading appears •...
  • Page 39 The magnetic Check compass calibration: declination varies around the world, so it will need to Place the Teric on a flat surface be readjusted when traveling. 2. Marking a heading 3. Rotate the computer 180 degrees Magnetic inclination (or magnetic dip) is how much 4.

  • Page 40: 8�2� Tag Log

    Operating Instructions 8.2. Tag Log 8.4. Test Alert The tag log feature is useful The Test Alerts pop-up provides an quick way to ensure for marking a point of interest your alerts are working and that you are able to feel in the dive log for later review.

  • Page 41: 8�5� Deco Planner

    For CC, the PPO2 is constant for the entire Setup dive. Uses the current gases programmed into the Teric in • The RMV is the same while diving as the current dive mode, as well as the current GF low/ during deco high settings.
  • Page 42 Operating Instructions Results Screens For CC/BO dives There will be two schedules, one for The results are given in tables showing: each operating mode. Stp: Stop Depth If feet (or meters) DECO DECO Stop Time In minutes Bailout(BO) Bailout(BO) Stp Tme Stp Tme Run Time In minutes...

  • Page 43: 8�6� Ndl Planner

    Operating Instructions 8.6. NDL Planner The No-Decompression Limit (NDL) Planner is a quick way to determine how much bottom time is available without the need for decompression stops. Next dive in 1h00m It can apply a surface interval from none up to 1 day to account for off- gassing.

  • Page 44: Air Integration (Ai)

    The communication is one-way. The transmitter sends Transmitter is not O Clean data to the Teric, but the watch does not send any data to the transmitter. The transmitters sold with Shearwater branding are not shipped O clean and may only be used with gas Although the feature is named “Air”...

  • Page 45: 9�2� Basic Ai Setup

    (SPG)can be used. A backup SPG is recommended Position the transmitter such that it is on the same side of your body as you wear your Teric handset Range . Range is limited to approximately 3 ft (1 m). (FIGURE 5)
  • Page 46 Enable AI on the Teric Pairing the transmitter is done by going to the T1 On the Teric, navigate to the Settings > AI menu Setup menu option. Enter the 6-digit serial number Change the AI Mode setting to T1 (Tank 1). The AI is into the T1 Serial # setting.
  • Page 47 Teric will only update every In any SCUBA mode, when using the Standard layout, 5 seconds, so the pressure reported by the Teric must be the info row can be customized extensively to show monitored for longer than that (we suggest 10-15 seconds) to AI information.

  • Page 48: 9�3� Ai Displays

    Operating Instructions 9.3. AI Displays T1/T2 Pressure Display The pressure displays are the most fundamental AI There are 4 display fields that are used to display AI displays, showing pressure in the current units (PSI or information: Bar). 1) T1/T2 Pressure 2) GTR Normal T1/T2 Pressure Display: 3) SAC...
  • Page 49 Operating Instructions GTR Display SAC Display The Gas Time Remaining display shows the time, in The Surface Air Consumption (SAC) display shows minutes, that you could stay at the current depth until the average rate of pressure change over the last a direct ascent to the surface at a speed of 33 feet/ two minutes, normalized to as if at 1 ATA pressure.

  • Page 50: 9�4� Using Multiple Transmitters

    By using different colored transmitters, the transmit timing periods are different enough that collisions due GTR & 1753 1422 to synchronized communications will resolve quickly. SURFACE Shearwater sells standard gray transmitters, and also 1753 yellow transmitters with alternate transmit timing. 1753 1422 T1 & T2 1422...

  • Page 51: 9�5� Sac Calculations

    (inflating BCD, wing, or dry suit). Since the Teric displays and logs SAC, the formula for SAC vs RMV calculating RMV from SAC is useful. Knowing your...

  • Page 52: 9�6� Gtr Calculations

    As the dive progresses and pressure drops, this Currently, Shearwater does not believe that GTR is the problem rectifies itself and the numbers become more proper tool for decompression dives, especially those accurate.

  • Page 53: Watch Mode

    10. Watch Mode 10.2. Watch Tools All of the basic watch Watch mode is the default mode for the Teric at the features can be found in the surface. If the computer is left in Dive mode at the Watch Tools menu.
  • Page 54 Operating Instructions Timer Stopwatch The Teric’s timer can be edited to count down up to The Stopwatch is universal throughout the Teric. A 10 hours. stopwatch started in watch mode will continue in any diving mode until it is stopped.

  • Page 55: 10�3� Watch Face Colors

    Operating Instructions Flashlight The flashlight simply turns the Teric screen on full brightness to provide an emergency source of light. It Analog is only useful in the darkest of rooms or caves. Watch Faces DECO DECO DECO Three watch faces are available for the Teric: Analog,...

  • Page 56: Menus

    Dive Tools Change FD Set 11.1. Main Menu Dive SP 0�7 >> 1�3 Alerts Edit FD Set All Teric Menus can be accessed Select Gas Dive Tools from the main menu which can be Watch Tools Dive Tools Bluetooth Alerts...
  • Page 57 PPO2 set point. In the Set Points the dive planners are not available in Freedive mode. menu, the Teric can be setup to automatically perform set point switches at programmable depths. However, See Dive Tools details on page 38.
  • Page 58 21/00 14/55 An ‘ACT’ symbol will appear next to The Teric CC/BO system maintains two sets of gases - the currently active gas. one for open circuit and one for closed circuit. A gas that is off will be shown in...
  • Page 59 Operating Instructions Edit gases Set Points The Edit gas function allows you The Set Points menu is available in CC and BO mode to set up 5 gases for each of the on the surface and while diving. This menu allows you 4 SCUBA modes: to define the high and low set point.
  • Page 60 Operating Instructions Edit Freedive (FD) Set Regularly test you alerts with the Test Alert Use this menu item to edit the current freedive set. tool described on page 40 to ensure they are working and you can hear/feel them through your exposure suit. Set 1 Name DECO...
  • Page 61 Salt or fresh water. This setting affects depth readings because salt water is more dense. Use this menu to set how the Teric will notify the user of an alert. Start Depth The depth threshold for beginning a dive.
  • Page 62 End Dive Delay and want to access surface only features of the Teric From here you can also Delete and restore deleted quickly following a dive.

  • Page 63: Settings Reference

    When changing to or from Gauge or Freedive mode, the decompression tissues are cleared. This is because 12.1. Dive Settings Menu when in these modes the Teric does not know what gas you are breathing, and therefore cannot track inert gas loading. Plan repetitive dives accordingly.
  • Page 64 Operating Instructions The Standard layout allows customization of the Home screen entire first page of the Info row. This option is used to customize the Info row on the Home screen. Pick the number of elements you would like in the info row, then proceed to select which information you OC REC would like displayed in each position.
  • Page 65 Operating Instructions In dive modes the FUNC button options are: FUNC Button The function button (top right button) can be customized in every mode to act as a shortcut to your FUNC Setting Description most commonly used tool. Toggles between high and Switch SP Use the FUNC Button menu item in dive settings to low set points.
  • Page 66 Alternatively, a shorter time can be used to exit dive mode more quickly upon surfacing. Log Rate Sets how often dive samples are added to the Teric’s log. More samples will give a higher resolution dive log at the expense of log memory.
  • Page 67 Operating Instructions CC High PPO2 PPO2 Limits PPO2 displays in flashing red when greater than this This section allows changing of PPO2 limits. value. (Default 1.60) WARNING Reset Limits Resets all PPO2 limits for this dive mode back to Do not change these values unless defaults.

  • Page 68: 12�2� Deco Menu

    Operating Instructions 12.2. Deco Menu Last Stop Allows you to choose where to do your last stop. The choices are 10ft/3m and 20ft/6m. Note that this Deco Model setting does not affect decompression. It only makes the TTS prediction more accurate. Will just show Bühlmann ZHL-16 with gradient factors model.

  • Page 69: 12�3� Gases

    If SP Auto Up is set to “On”, use Auto Up Depth set the depth at which the auto switch occurs. The Teric has supports independent, 5 gas lists for OC The menu options are the same for the down set point Rec, OC Tec, and CC dive modes.

  • Page 70: 12�5

    When a paired transmitter is not Read more about how SAC is calculated on page communicating, the Teric goes into a higher power scan state. This increases power consumption to about 25% higher than with AI off. Once communications are established, power drops to about 10% higher than with AI off.

  • Page 71: 12�6� Compass

    Operating Instructions 12.6. Compass T1 /T2 Setup The T1 & T2 menu pages allow setup that is individual to each transmitter/tank. Enable Serial Number Setup Disabling the compass will prevent it from being Every transmitter has a unique 6-digit serial number displayed in the info row.

  • Page 72: 12�7� Display

    (e.g. iron or nickel) object is Configurable to Feet or Meters. mounted very close to the Teric. To be calibrated out, such an object must be mounted with the Teric so Temp. Units that it moves along with the Teric Display.
  • Page 73 This setting determines if OFF is available as an option when the LIGHT button is pressed. The battery life of the Teric is dramatically improved when “Off”. This is a convenient feature if you forget your Teric charger at home and are being judicious with battery consumption.

  • Page 74: 12�8� Watch

    FUNC Button Time Set the Function button shortcut for watch mode. For a complete list of the function button options see Time on the Teric is set here. section Date FUNC button options Date on the Teric is set here.

  • Page 75: 12�9� General

    Defaults This will reset all user changed options to factory settings and / or clear the tissues on the Teric. A reset to defaults cannot be reversed. Note: This will not delete dive logs, or reset dive log numbers.

  • Page 76: Firmware Update And Log Download

    There are two ways to update the firmware on your Bluetooth menu item from the main menu. Teric: 1) With Shearwater Cloud Desktop 2) With Shearwater Cloud Mobile DECO 30 2 Please note that Teric does not support the original Bluetooth Shearwater desktop application. O2/He Wait Connect 10/50 Settings...
  • Page 77 When prompted, select your language and confirm connect tab. the update. A list of dives will be generated The Teric screen will give percentile updates of and you can un-select any dive receiving the firmware, and then the Personal logs you don’t want to download, Computer will read “Firmware successfully sent to the...

  • Page 78: 13�2� Shearwater Cloud Mobile

    On Shearwater cloud mobile: Prress the connect icon at the bottom of the screen 2. Select your teric from the list of bluetooth devices Download Dives Select “Download Dives” A list of dives will be generated and you can un-select any dive logs you don’t want to download, then press...

  • Page 79: 14. Teric Strap

    1.5mm hex screwdrivers (included). The Teric screen rotates 90 degrees for easy viewing of the time when the Teric is mounted on the charger. The screen will turn off after 20 seconds to preserve the long term health of the screen and battery, but pressing any button will wake up the Teric so the time can be viewed.
  • Page 80 Settings All settings are retained permanently. No loss of settings occurs if the battery dies. Clock The clock (time and date) data will be lost if the Teric experiences a total loss of power. Correct positioning Incorrect positioning Once the battery is charged, you will need to update...

  • Page 81: 16. Troubleshooting

    Deep The decompression notifications is not exhaustive. Please contact STOPWATCH WARNING tissue inert gas loading Plan repetitive dives 103.6 4:57 Shearwater if you experience any unexpected errors: TISSUES CLEAR has been set to default accordingly. info@shearwater.com SURFACE levels� 19:16 Deep...

  • Page 82: 16�2� Ai Connection Problems

    Operating Instructions Display Meaning Action to take Display Meaning Action to take None. After a few minutes, GTR (and SAC) are not enough data has been available for the first wait Be aware that gas is run- collected for display. few minutes of a dive�...

  • Page 83: Storage And Maintenance

    Operating Instructions 18. Servicing 17. Storage and Maintenance There are no user serviceable parts inside the Teric or The Teric dive computer and transmitter should be transmitters. Do not tighten or remove the faceplate stored dry and clean. screws. Clean with water ONLY. Any solvents may damage the Teric dive computer.

  • Page 84: Teric Specifications

    Operating Instructions Teric Specifications Teric Specifications (cont.) Battery 50 hours in dive mode. Specification Teric Operating Life 3 months in Standby Operating OC Tec Communications Bluetooth Smart Modes OC Rec Compass CC/B0 (internal PPO2) 1˚ Resolution Gauge Freedive Compass ±5˚...

  • Page 85: Ai Transmitter Specifications

    RF field in excess of Valve Health Canada limits for the general population; consult Safety Code 6, obtainable from Health Canada’s website. Teric Dive Computer Contains TX IC: I2208A-05 Page 85 RevA...
  • Page 86 Operating Instructions 19. Contact Headquarters 13155 Delf Place, Unit 250 Richmond, BC V6V 2A2 Tel: +1.604.669.9958 info@shearwater.com US Service Center www.shearwater.com DIVE-Tronix, LLC. Snohomish, WA, USA Tel: +1.858.775.4099 usaservice@shearwater.com EU Service Center Narked at 90 Ltd 15 Bentley Court, Paterson Rd,...

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