Pairing a Descent Transceiver with a Compatible Dive Computer

A Descent™ T1 transmitter or Descent™ T2 transceiver is used to send dive tank data to your compatible dive computer. The information below will help you set up, pair, install, and position the Descent transmitter or transceiver. 

Compatible Dive Computers

• Descent™ Mk2i watch

• Descent™ Mk3i - 43mm | Descent™ Mk3i - 51mm watches

• Descent™ X50i dive computer

Waking Up the Descent Transceiver

When pairing your Descent transceiver to a compatible Garmin dive computer the transceiver will need to be taken out of low power mode. Follow the below steps to take the transceiver out of low power mode.

• Install the transceiver on your regulator, and gradually open the tank valve to pressurize the regulator to make the transceiver exit low power mode. Check your transceiver's owner's manual for specific instructions and where to place the transceiver on your tank regulator. 

  NOTE: Bluetooth® pairing will not be available with this method and you will need to follow the below option to turn on the Bluetooth for the transceiver.

• On the transceiver twist the battery cover counter-clockwise 270 degrees, wait 30 seconds, then twist the battery cover clockwise until it is secure. The transceiver will play a tone when it wakes from low power mode and is now ready to pair with your compatible dive computer. 

  NOTE: The transceiver will remain awake for two minutes before returning to low power mode.

Pairing a Descent Transceiver with a Descent Dive Computer

To pair a compatible Descent transceiver to your compatible Descent dive computer refer to your owner's manual and search for “Pairing a Transceiver.”

For more information about compatibility with the Descent T1 transmitter, Descent T2 transceiver, and a compatible Descent dive computer see - Garmin Dive Computer and SubWave Network Air Integration Transmitter Compatibility.

Why Is My SAC/RMV/ATR Not Included After Pairing?

There may be times after you pair a transceiver that the SAC/RMV/ATR setting says “Not Included.” To receive SAC/RMV/ATR data, you can adjust the settings for your transceiver. See the steps below on how to change this setting.

For more information on SAC/RMV/ATR, see “Transceiver Settings” in your owner's manual.

1. Access Dive Setup.

   • Watches: Hold UP/MENU button from the watch face, then select Dive Setup.

   • Dive Computers: Select Dive Setup from the main screen.

2. Select Dive Network & Air Integration.

3. Select Transmitters.

4. Select the transmitter that is showing SAC/RMV/ATR as Not Included.

5. Select Placement.

6. Select My Tank.

SAC/RMV/ATR will now say “Included” and allow you to toggle that off or on. If you have a transceiver set to My Tank for multiple dive computers, the SAC/RMV/ATR will be visible on each dive computer.