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Marine Radio FAQ's

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What GPS format does Icom use to display GPS coordinates on its marine radios?

It is shown in the Degrees/Decimal Minutes format: e.g. 47.42.2147N 123.8.7456W.

Will the UT-98 scrambler board work on my IC-M506 Marine VHF/DSC radio?

No, it is not compatible. You need to use the UT-112.

Who is affected by the latest IMO regulation for ATEX for fire fighters onboard vessels?

The latest amendments to SOLAS Regulation II-2/10 adds a minimum requirement of two ATEX...

Why distress messages are mandatory in DSC (Digital Selective Calling)?

All distress communications whether radio, DSC, or satellite must be conducted according t...

I am looking for a battery replacement for the Icom BP-224, BP-225 & BP-241 batteries

Due to a ban on the importation of Ni-cad batteries into the EU, the BP-224 and BP-225 Ni-...

How should I charge the Lithium Ion battery from my Marine VHF radio?

Li-Ion batteries do not suffer with memory effect like the Ni-Cad's of the past There is ...

Can I use Channel 74 as my main VHF communication channel on inland waterways?

Channel 74 is a port operations channel allocated to the Canal and River Trust’s locks and...

My IC-M323/IC-M423 does not send position and polling call requests?

In keeping with ETSI (European Telecommunication Standards Institute) standards, a Class D...

Considerations to make when choosing a Multi-Functional Display (MFD)?

One of the major developments in marine electronics over recent years has been the integra...

My Float and Flash Icom radio is flashing. Are my contacts wet?

If your radio flashes a red light, it is indicating that the radio is wet and the rear moi...

Why does my IC-M91D VHF/DSC Handheld buzz ?

Your IC-M91D is buzzing because your 'Inactivity Timer' has gone off. If you look in the ...

I’ve tried to enter my MMSI number twice and now my radio won’t accept another attempt. What do I do?

OFCOM requires that all DSC radios are allowed only two attempts at programming the MMSI n...

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