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Maintenance and Troubleshooting
52
Problem Things to Try
I’m not getting any GPS data
on my display.
Make sure your GPS receiver is correctly
connected (see Connecting to a GPS receiver).
Make sure your GPS receiver is working properly.
Make sure that your GPS receiver supports the
NMEA parameters described in NMEA Operation
on page 63.
I can’t make Group DSC calls. Make sure the Group MMSI was entered
correctly.
Where can I nd my radio’s
serial number?
Look on the bottom side of the radio
The radio won’t let me enter
my User MMSI. What do I do?
Contact customer service by visiting the customer
support page on www.uniden.com.au or
www.uniden.co.nz.
UM425 VHF OM.indd 52 28/9/11 11:55:22 AM