Garmin DESCENT X50i Owner's Manual
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Garmin DESCENT X50i Owner's Manual

Garmin DESCENT X50i Owner's Manual

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DESCENT
X50i
™
Owner's Manual

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Summary of Contents for Garmin DESCENT X50i

  • Page 1 DESCENT X50i ™ Owner’s Manual...
  • Page 2 © 2024 Garmin Ltd. or its subsidiaries All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part, without the written consent of Garmin. Garmin reserves the right to change or improve its products and to make changes in the content of this manual without obligation to notify any person or organization of such changes or improvements. Go to www.garmin.com...

  • Page 3: Table Of Contents

    Using Your Dive Computer....12 Phone Connectivity Features....30 Dive Data Screens......... 12 Pairing Your Phone......31 Single-Gas and Multi-Gas Data Garmin Dive App........ 31 Screens..........13 Wi‑Fi Connectivity Features....31 CCR Data Screens......14 Connecting to a Wi‑Fi Network..31 Gauge Data Screens......
  • Page 4 Resetting All Default Settings... 33 Device Information......34 Charging the Device......34 Wearing the Device....... 34 Changing the Bands......35 Installing Bungee Cords....36 Specifications........37 Battery Information......38 Device Care..........38 Cleaning the Device......38 Data Fields..........39 Troubleshooting......41 Product Updates........

  • Page 5: Introduction

    Introduction WARNING See the Important Safety and Product Information guide in the product box for product warnings and other important information. Getting Started When using your dive computer for the first time, you should complete these tasks to set it up and get to know the basic features.

  • Page 6: Controls

    Controls The controls menu lets you quickly access device features and options. From any screen, hold BACK. Control Description Select to return to the home screen. Select to enable touchscreen controls. Select to enable pool dive mode (Using the Pool Dive Mode, page 4).

  • Page 7: Dive Warnings

    Dive Warnings • The diving features of this device are for use by certified divers only. This device should not be used as a sole dive computer. Failure to input the appropriate dive-related information into the device can lead to serious personal injury or death.

  • Page 8: Dive Cautions

    Dive Cautions • Dive messaging requires line of sight between two compatible receivers with the latest compatible software versions. Obstructions and other environmental factors may affect receiver connectivity and may delay or prevent the sending and receiving of messages. With good connectivity, data can be successfully sent between divers in under 20 seconds.

  • Page 9: Dive Setup

    Dive Setup You can customize the dive settings based on your needs. Not all settings are applicable for all dive modes. You can also edit the settings before you start a dive. Select Dive Setup. Gases: Sets the gas blends used in the gas dive modes (Setting Up Your Breathing Gases, page 6).

  • Page 10: Setting Up Your Breathing Gases

    Setting Up Your Breathing Gases You can enter up to twelve gases for each gas dive mode. Decompression calculations include your decompression gases, but do not include your backup gases. 1 Select Dive Setup > Gases. 2 Select a dive mode. 3 Select the first gas in the list.

  • Page 11: Setting Po2 Thresholds

    Setting PO2 Thresholds You can configure the partial pressure of oxygen (PO2) alert message thresholds, in bar. 1 Select Dive Setup > PO2. 2 Select an option: • Select MOD/Deco PO2 to set the maximum operating depth (MOD) and decompression PO2 threshold for your planned bottom gas before you should begin your ascent and switch to the decompression gas with the highest percentage of oxygen.

  • Page 12: Customizing The Data Screens

    Customizing the Data Screens You can show, hide, and change the layout and content of data screens for each dive mode. 1 Select Dive Setup > Display Settings. 2 Select a dive mode to customize. 3 Select Data Screens. 4 Select a data screen to customize. 5 Select 6 Select an option: •...

  • Page 13: Air Integration

    Air Integration The Descent X50i dive computer can be used with a paired Descent transceiver to view your tank pressure, estimated air time remaining, and estimated gas consumption. When you pair your dive computer with another diver's transceiver, you can view their depth, distance, and tank pressure. Compatible devices can send and/or...
  • Page 14 Transceiver Settings You can customize the settings for paired transceivers prior to a dive. Select Dive Setup > Dive Network & Air Integration > Transmitters, and select a transceiver. NOTE: Some settings are available only for your own transceiver or another diver's transceiver. Status: Enables a connection to the transceiver, and shows the current connection status.

  • Page 15: Sending Diver Messages

    Sending Diver Messages CAUTION Dive messaging requires line of sight between two compatible receivers with the latest compatible software versions. Obstructions and other environmental factors may affect receiver connectivity and may delay or prevent the sending and receiving of messages. With good connectivity, data can be successfully sent between divers in under 20 seconds.

  • Page 16: Updating The Transceiver Software Using Your Dive Computer

    The Garmin Dive app and Garmin Express application automatically look for software updates. When you sync with the Garmin Dive app, you will be prompted to apply the update at a later time. When you sync with the Garmin Express application, the update is applied immediately to your dive computer.

  • Page 17: Single-Gas And Multi-Gas Data Screens

    Single-Gas and Multi-Gas Data Screens The primary data screen for single-gas and multi-gas dive modes displays the main dive data, including your breathing gas, rate of ascent or descent, maximum depth, time to surface (TTS), the time of day, and the current temperature.

  • Page 18: Ccr Data Screens

    CCR Data Screens The primary data screen for the CCR dive mode displays the main dive data, including your breathing gas, rate of ascent or descent, maximum depth, time to surface (TTS), and the current temperature. You can press NEXT to view the dive compass (Navigating with the Dive Compass, page 16).

  • Page 19: Gauge Data Screens

    Gauge Data Screens The primary data screen for the gauge dive mode displays data for the current dive, including your maximum depth, the lowest temperature during the dive, the time of day, and the stopwatch (Using the Gauge Dive Stopwatch, page 16).

  • Page 20: Navigating With The Dive Compass

    9 Keep your arm out of the water so the dive computer can acquire GPS signals and save your dive exit location (optional). 10 Wait for the DIVE END timer to count down. NOTE: When you ascend to 1 m (3.3 ft.), the DIVE END timer begins counting down (Dive Setup, page 5).

  • Page 21: Viewing Transceiver Data During A Dive

    Viewing Transceiver Data During a Dive 1 Press NEXT to view the data screen. TIP: You can customize the dive data screens to view the transceiver and diver dashboard data on dedicated data screens (Customizing the Data Screens, page 8). The gas consumption estimate for your transceiver (Selecting the Gas Consumption Rate Metric, page 10).

  • Page 22: Switching Gases During A Dive

    Switching Gases During a Dive 1 Start a single-gas, multi-gas, or closed-circuit rebreather (CCR) dive. 2 Select an option: • Press ENTER, select Gas, and select a backup or decompression gas. NOTE: If necessary, you can select Add New and enter a new gas. •...

  • Page 23: Performing A Decompression Stop

    Performing a Decompression Stop You should always perform all the required decompression stops during a dive to help reduce the risk of decompression sickness. Missing a decompression stop adds significant risk. 1 When you exceed the no-decompression limit (NDL) time, begin your ascent. Decompression stop information appears on the data screens.

  • Page 24: Viewing Your Dynamic Depth

    Viewing Your Dynamic Depth During a gas dive, the dynamic depth data screen displays your depth profile for the dive so far, along with the projected ascent plan to the surface. The ascent plan shows required decompression steps or the safety stop (if configured), as well as upcoming gas switches and automatic set point switches.

  • Page 25: Viewing The Surface Interval App

    Viewing the Surface Interval App The surface interval app shows your nitrogen (N2) and helium (He) tissue load level, current oxygen toxicity units (OTU), and central nervous system (CNS) percentage. NOTE: The OTU accumulated during a dive expire after 24 hours. 1 Select SI.

  • Page 26: Viewing The Dive Log App

    Viewing the Dive Log App The dive log app displays summaries of your recently recorded dives. 1 Select Dive Log to view your most recent dive. 2 If necessary, press NEXT to select a different dive. 3 Press ENTER to view an overview and depth graph of the activity. 4 Select an option: •...

  • Page 27: Calculating Your Breathing Gas

    Calculating Your Breathing Gas You can calculate the PO2 value, oxygen percentage, or maximum depth for a dive by adjusting two of the three values. The calculations are affected by the water type setting in the Dive Setup menu (Dive Setup, page 5).

  • Page 28: Dive Alerts

    Dive Alerts Alert Message Cause Dive Computer Action The decompression stop depth and None You completed the decompression stop. time flash. Your partial pressure of oxygen (PO2) None Your PO2 value flashes yellow. value is above the specified warning value. Your oxygen toxicity units are above the The alert appears every two minutes, %1 OTU accumulated.
  • Page 29 The dive computer has invalid or missing Do not dive. Failed to read Do not start a dive. Call Garmin ® depth sensor data before you start a dive depth sensor. Product Support.

  • Page 30: Transceiver Alerts

    Alert Message Cause Dive Computer Action The dive computer automatically switched Switched to low setpoint. None to your specified CCR low setpoint. This pool dive will not be The dive computer will not save the The dive computer is in pool dive mode. saved to the dive log.

  • Page 31: Dive Product And Feature Compatibility

    • View diver distance • View public tank name • Send messages • Receive messages • View tank pressure Descent Mk3i and Descent X50i • View tank pressure • View diver depth • View diver depth • View diver distance •...

  • Page 32: Dive Terminology

    Volumetric surface air consumption (SAC): The change in gas volume over time, normalized to 1 ATM. Your device comes preloaded with maps and can display several types of Garmin map data, including topographical contours and nearby points of interest. To purchase additional map data and view compatibility information, go to garmin.com/maps.

  • Page 33: Saving Or Navigating To A Location On The Map

    Saving or Navigating to a Location on the Map You can select any location on the map. You can save the location or start navigating to it. 1 From the home screen, scroll down to the extended app list, and select Map. 2 Select an option: •...

  • Page 34: Compass

    Phone connectivity features are available for your Descent dive computer when you pair it using the Garmin Dive (Pairing Your Phone, page 31). Data uploads to the Garmin Dive app: Automatically syncs your data with the Garmin Dive app and your Garmin Connect account.

  • Page 35: Pairing Your Phone

    Pairing Your Phone To use the connected features on your dive computer, you must pair it directly through the Garmin Dive app, instead of from the Bluetooth settings on your phone. 1 Select an option: • During the initial setup on your dive computer, scan the QR code with your phone.

  • Page 36: Settings

    Time: Sets the time format. Advanced: Sets the unit and position format preferences, and sets the dive computer to use MTP (media transfer protocol) or Garmin mode when connected to a computer. Reset: Resets tissues, deletes data, and resets settings (Resetting All Default Settings, page 33).

  • Page 37: Satellite Settings

    GPS only. Resetting All Default Settings Before you reset all default settings, you should sync the dive computer with the Garmin Dive app to upload your dive data. You can reset all of the device settings to the factory default values.

  • Page 38: Device Information

    Device Information Charging the Device WARNING This device contains a lithium-ion battery. See the Important Safety and Product Information guide in the product box for product warnings and other important information. NOTICE To prevent corrosion, thoroughly clean and dry the contacts and the surrounding area before charging or connecting to a computer.

  • Page 39: Changing The Bands

    Changing the Bands You can replace the bands with new Descent X50i bands. 1 Use the included pin removal tool to push in the pin on one of the bands, and remove the pin. 2 Repeat step 1 on the second pin.

  • Page 40: Installing Bungee Cords

    It is the user's responsibility to ensure the bungee cord straps are cut to the appropriate length and that an appropriate knot is tied to ensure the dive computer remains attached to the arm. Garmin is not responsible for any loss or damage to a dive computer resulting from the dive computer coming off the arm.

  • Page 41: Specifications

    Inspection interval Inspect parts before each use for damage. Replace parts as needed. The device withstands pressure equivalent to a depth of 200 m. For more information, go to www.garmin.com/waterrating. Designed to comply with CSN EN 13319. Aside from normal wear and tear, performance is not affected by aging.

  • Page 42: Battery Information

    Corrosion can prevent charging and data transfer. If you store the dive computer while it is still wet, it may inadvertently turn on and drain the battery. TIP: For more information, go to garmin.com/fitandcare. 1 Rinse with water, or use a damp lint-free cloth.

  • Page 43: Data Fields

    Data Fields NOTE: Not all data fields are available for all activity types. Some data fields require a paired transceiver to display data. Some data fields appear in more than one category on the dive computer. Device Information...
  • Page 44 Name Description Air Time Remaining The amount of time remaining on the current air tank. Approximate Depth The current depth of the paired transceiver. Approximate Distance Your current distance from the paired transceiver. Ascent Rate The current rate of ascent toward the surface. Average Depth The average depth descended during a dive.

  • Page 45: Troubleshooting

    • Go to support.garmin.com for additional manuals, articles, and software updates. • Go to buy.garmin.com, or contact your Garmin dealer for information about optional accessories and replacement parts. My device is in the wrong language You can change the device language selection if you have accidently selected the wrong language on the dive computer.

  • Page 46: My Phone Will Not Connect To The Device

    • Remove your device from the Garmin Dive app and the Bluetooth settings on your phone to retry the pairing process. • If you bought a new phone, remove your device from the Garmin Dive app on the phone you intend to stop using.
  • Page 48 November 2024 GUID-D6BA1847-E20D-4241-B08C-DF0D8B052B28 v1...

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