Using the Hailer Function
Before you can use the hailer function, you must install a hailer horn (optional). For more information, see the VHF 315 Series Installation Instructions.
A hailer horn allows you to make on-boat or ship-to-shore announcements, and allows two-way communications between connected radios. You can address the ship using the radio or handset, and sounds received through the horn can be heard through the radio speaker. For vessels with enclosed cabins, the hailer horn allows you to hear sounds from the deck.
NOTE:
When the radio is in hailer mode, it does not receive broadcasts from the active channel.
Parent Topic: Basic Operation