
Setup and Range Test
Search
ACR OLAS: Wireless
Marine Safety
Man Overboard Alert System
GET
5.0 4+
Age
What’s New
Preview
Install
ACR OLAS
- Overboard
Location Alert
System
Man Overboard Alert System
PEGI 3
i
AndroidiPhone
Note: Do not test at home. The system has been designed to be installed on a vessel.
1. Download the ACR OLAS App from Google Play or the
App store. (type "acr olas" into the search bar to
search for app)
3. You should always try to install your Guardian at least
0.5 meters from any equipment transmitting radio
signals including VHF Radios, antennas and cables.
2. Install your Guardian to a 12/24V power supply. Allow
easy access to the control switch.
1m1m
4. If located within 0.5 meters it is possible false alarms may occur. If you
are experiencing false alarms try moving the Guardian hub away from
other electrical devices and then carry out the Guardian setup and
range test to see if the false alarms still occur.
0.75m extension leads are avaible for the Guardian control switch cable
and the Power and Signal wires.
Press for 4
seconds until
light briefly
flashes green
5. Switch on 1 ACR OLAS Tag or 1 OLAS Float-On. 6. Switch on power to the Guardian.
www.acrolas.com

Setup and Range Test
Please choose which OLAS method
7. Hold the OLAS tag or Float-On within 1 meter of the
Guardian.
8. Wait for 30 seconds and listen for the indication sound.
After 30 seconds 1 beep will be heard to indicate 1
OLAS transmitter is being tracked.
GET
OLAS
9. Open the ACR OLAS App. 10. Connect to the Guardian.
GUAR123
11. Select the ID number which relates to your Guardian,
this is located on the side of the Guardian box.
12. Follow the setup instruction screens until you get to
the ACR OLAS app home page.
www.acrolas.com

Setup and Range Test
13. Check that the tag displayed on the app home screen
has the same ID number as the tag you are testing
with. The tag's ID number can be found on the
underside of the tag.
15. Walk around your vessel with the tag, listening out for
the alarm to sound from the Guardian or the mobile
device.
14. Walk with your mobile device or place it in a location
where you will be able to hear the alert. A suggested
location is the helm.
16. If no alarm sounds return to the Guardian and check
that the control switch is illuminated green. Solid green
indicates that the Guardian is tracking correctly.
17. If you have other OLAS transmitters to track these can
now be added to the system. Ensure all OLAS
transmitters are switched on and transmitting and
place them all within 1 meter of the Guardian.
18. Press the + icon in the ACR OLAS App.
www.acrolas.com

Setup and Range Test
10s
19. After a 10 second scan the new ACR OLAS
transmitter(s) will appear on the home screen.
It is advised to test the alarm regularly. Instruction on
Your Guardian system is now setup.
how to do this can be found in the 'Alarm Testing' guide.
www.acrolas.com