Standard Horizon

Distress Call Acknowledged Standard Horizon Marine VHF Radio 'Distress Call Acknowledged' is what your VHF shows when a Coast Guard or other … DSC Test Failed Standard Horizon Marine VHF Radio 'DSC Test Failed' means the radio sent a DSC test call but didn't get a response … GPS Data Lost Standard Horizon Marine VHF Radio 'GPS Data Lost' means your VHF radio is no longer receiving GPS position … MMSI Not Programmed Standard Horizon Marine VHF Radio 'MMSI Not Programmed' means your VHF radio doesn't have a Maritime Mobile …