Nautilus Marine Rescue GPS User manual

Quick Start Guide
Important Notes!
Nautilus GPS Components
Region Programming & MMSI
Operation
Nautilus GPS App
Test Sequence
Maintenance
Battery Information
Rewinding Antenna
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06
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08
09
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10
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Technical Specifications
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Table of Contents

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Open the dive cap by releasing the latch.
Press the blue button firmly until it clicks to power on the Nautilus GPS.
It will now begin to search for a GPS lock.*
Remove the antenna retainer and unfurl the antenna.**
Hold the red button for 5 seconds to begin distress transmission.
The Nautilus Marine Rescue GPS is an aid to your safety. It is not a life-saving device.
It is not intended to save your life.
QUICK START GUIDE TO ACTIVATE H ELP
** Remove retainer as indicated by the retainer label. Be cautious when removing
antenna retainer. The antenna may spring out rapidly.
* Two CR123 3V lithium batteries must be installed to operate the Nautilus GPS.
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Important!
Please ensure that you have set your Nautilus GPS to the correct region.
See page 7 for details.

Ensure that the O-rings are always
clean and free of contaminants.
Performing a test will reduce the
battery life. Only perform a test
once before each dive trip.
This equipment is intended for
emergency use. Do not activate
unless in an emergency situation.
Dive cap should remain sealed
unless in distress situation or when
performing self-test.
DSC functionality may be disabled
in certain countries subject to
regulations.
When replacing screws, do not
overtighten. Tighten screws slightly
past point of resistance.
The Nautilus GPS uses CR123 3V
(1550 mAh) batteries.
Do not open dive cap underwater.
Be cautious when removing antenna
retainer. The antenna may spring out
rapidly.
In the case of accidental activation,
the user should deactivate the
Nautilus GPS distress signal and
notify the appropriate search and
rescue authorities (e.g., U.S. Coast
Guard or Rescue Coordination
Center serving the geographic
region) at the earliest possible time.
The Nautilus Marine Rescue GPS is an aid to your safety. It is not a life-saving device.
It is not intended to save your life.
In order to comply with CE RF
exposure guidelines, ensure that the
Nautilus GPS is at least 16cm from
your body when transmitting.
IMPORTANT NOTES!
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Nautilus GPS Components
Power Button (On/Off) - Blue
Top Cap
Dive Cap Clasp
Test Button - Yellow
Help Button - Red
Dive Cap
Face O-ring
Latch
Antenna
Antenna Retainer
Nautilus Marine Rescue GPS
Marine Rescue GPS
Nautilus
(Antenna winder)
Proprietary Tool
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Online Manual
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Operation
Open the dive cap by releasing the latch.
Press the blue button firmly until it clicks: Nautilus GPS goes to ON standby state and
GPS attempts to lock. Pressing the blue button again powers off the Nautilus GPS.
• Blue LED flashes quickly when GPS location determined
(on units with serial number beginning with 16)
• Blue LED flashes once every 5 seconds when GPS location determined
(on units with all other serial numbers)
Remove the antenna retainer to expose the “H” button, and to unfurl the antenna.
• If Nautilus GPS is ON, Users can press red “H” button at any time – it is not necessary
to wait for GPS lock.
Hold the red “H” button for 5 seconds to begin distress transmission.
a. Red LED indicator flashing (Blue LED extinguishes)
• Red LED flashes quickly when GPS location determined
(on units with serial number beginning with 16)
• Red LED flashes once every 5 seconds when GPS location determined
(on units with all other serial numbers)
b. White strobe begins – quick double flash every 5s.
(to save energy, the white strobe shuts off in bright sun)
* Note: To prevent false alerts the Nautilus GPS will wait 20s before start of
first transmission sequence. (Red LED on solid)
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
Batteries should be within
the marked expiry date.
Batteries Not Included
Ensure that your
Nautilus GPS has
two CR123 batteries
installed.
How-to on P.10
Pull forward only
to remove antenna retainer
Warning:
DO NOT
pull up
How to remove antenna retainer
Hold down the red “H” button for 5 seconds to deactivate distress transmission.
*Note: Pressing the blue button will also power off the Nautilus GPS and end distress transmission,
however transmission will begin again if Nautilus GPS is powered back on.
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STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
STEP 7
STEP 8
Region Programming & MMSI
Each Nautilus comes pre-programmed with an MID number. (listed as MMSI on
the back label)
USER MID
REGION PROGRAMMING & MMSI (Android & iOS)
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Download and install Nautilus GPS MMSI Programming App from Google
Play or Apple iTunes. (Note: iOS app requires iOS 8 or later)
Start the app and enter the serial number of your Nautilus GPS (found on the back label)
Select “Device Mode”. Choose the region where you will be using your Nautilus GPS.
• Canada: Only AIS will be transmitted. DSC not permitted due to local regulations.
• Europe: Only AIS will be transmitted. DSC not permitted due to local regulations.
• USA: Full AIS alert will be transmitted. DSC alert will be sent first to your programmed
ship MMSI. After 30 minutes, transmission will switch to your programmed group MMSI.
Refer to steps 4 and 5 for details on MMSI programming.
• International: Full distress alerting with AIS and DSC.
If a ship MMSI has been programmed, DSC will first be sent to your own ship.
After 30 mins., DSC will be sent to all ships.
The following three options can be selected if you are using your Nautilus GPS outside
of Canada, Europe, or the USA: DSC Only, AIS Only, and Both DSC & AIS
Enter the MMSI number of the ship you want your DSC alert to be sent to.
This option is not available if you have selected Canada or Europe as your region.
USA Only: Enter your group MMSI. If you do not have a group MMSI, you can enter any
number beginning with 0 such as 011-111-111.
Lay Nautilus GPS face down with label pointing up.
Aim your mobile phone’s flashlight at Nautilus GPS and press START. Your
mobile phone’s flashlight will flicker. Try not to move the phone during the
programming sequence.
Nautilus GPS flashes the white strobe LED twice when successfully
programmed and returns to IDLE state. If no valid programming sequence
received after 60s, Nautilus GPS returns to IDLE state.
NOTE: Current MMSI number can be cleared by programming the number 000000000

Using the Nautilus GPS App
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STEP 2
Entering serial number and
select Device Mode
STEP 3
Selecting operating region
Please select region, unless
certain of mode selection
STEP 4
Entering MMSI - Not
available for CAN/EUR
If no MMSI desired, tap
check/confirm to proceed
STEP 7
Start will flash mobile light
GPS will blink white LED
twice when successful
Select GPS Flashed + Done
to complete process
Nautilus GPS App for Android
Please see the previous page for corresponding fully-detailed programming steps.
STEP 2
Entering serial number and
select Device Mode
STEP 3
Selecting operating region
Please select region, unless
certain of mode selection
STEP 4
Entering MMSI - Not
available for CAN/EUR
If no MMSI desired, tap next
to proceed
STEP 7
Start will flash mobile light
GPS will blink white LED
twice when successful
No further steps necessary
Nautilus GPS App for iOS

Press and hold Nautilus GPS Test Button for 5s until YELLOW indicator begins flashing.
Test sequence begins after Nautilus GPS has acquired position.
Approximately 20s after acquiring position the YELLOW Indicator will stop flashing (on solid)
and Nautilus GPS will transmit a low power Routine Own Ship Position Report.
This message will be received by all surrounding ships with AIS receivers. As well, if you
have programmed a ship MMSI (see page 7), the message will be received on the ship’s
VHF radio.
Low Battery indicated by alternate sequencing of YELLOW – RED indicators.
Replace batteries before next use.
Good Battery indicated by Nautilus GPS returning to IDLE.
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Note: Test should be done at a temperature between 10-30 degrees Celsius.
Test Sequence
If distress cycle has been activated, the batteries should be replaced at the earliest
opportunity. Check the O-ring carefully for dust or contaminants before submerging
the unit.
Maintenance
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YELLOW LED flashes quickly when GPS location determined.

Rewinding the Antenna
Hold the tool and antenna
stationary.
Replace the antenna
retainer, and remove the
winding tool.
Insert the tool and antenna
into the round open space
in the back of the top cap.
Continuously turn the tool
clockwise to spool the
antenna until the retainer
can be replaced.
(Must be installed with proper
orientation +, - symbols)
How to install batteries
Unscrew two screws
on top cap Tighten screws just past point of resistance
Do not overtighten
Insert two batteries
The Nautilus GPS uses CR123 3V batteries.
The batteries should be replaced per the battery vendor's expiry
date as printed on the batteries and recorded on the back label
or after TEST mode battery change notice (alternating RED and
YELLOW LED).
Replacing the batteries requires a Philips #1 head screw driver
and a clean, lint-free surface. Do not overtighten screws.
Battery Information
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To rewind the antenna, use
the tool provided in the
box.
Pass the end of the antenna
through the slot of the
rewinding tool.