Manual & Support


Nautilus LifeLine GPS Manual

Please read the Nautilus GPS manual thoroughly before use.

GPS Button


Nautilus LifeLine GPS Mobile Programming App

Install the Nautilus GPS app to change regional settings and program an MMSI number.

GPS Button apple

GPS Button google


Quick Start Guide to Activate Help

1. Open the dive cap by releasing the latch.

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2. Press the blue button firmly until it clicks to power on the Nautilus GPS. It will now begin to search for a GPS lock.*

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3. Remove the antenna retainer and unfurl the antenna.**

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4. Hold the red button for 5 seconds to begin distress transmission.

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*Two CR123 3V lithium batteries must be installed to operate the Nautilus GPS.
**Be cautious when removing antenna retainer. The antenna may spring out rapidly. FOLLOW INSTRUCTIONS WHEN REMOVING RETAINER.


Nautilus GPS App Privacy Policy

This Application requires access to the CAMERA on your mobile phone in order to operate the Camera Flash to communicate to the Nautilus GPS device.

The Nautilus GPS app requires your device serial number to allow programming of the device. This information is not retained or transferred anywhere. It is strictly used to allow device programming. No personal data is otherwise collected, used, retained, or transferred anywhere from your mobile device.

If this application crashes your mobile phone may send diagnostic information including your device type and software version to the Google Play store. This information will only be used to determine the nature of the software issue(s) to fix or repair software bugs.

Thank you for using the Nautilus GPS app and your Nautilus GPS.

Practice Safe Diving!
The Nautilus GPS team


Contact Technical Support

Please contact us if you have any questions.

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Call: +1 (888) 434 8322



DiveAlert by Ideations

(800) 275-4332 or (206) 281-0067

4214 24th Ave W Seattle, WA 98199