Connecting to a Hailer Horn or PA Speaker
You can connect a VHF 215 radio to a hailer horn or public address (PA) speaker (not included) to use the microphone or the handset to make announcements.
NOTE:
The
VHF 115 models cannot be connected to a hailer horn.
Some VHF models include a foghorn feature as part of the public address system. You can sound the foghorn through a hailer horn or a PA speaker. To use the foghorn you must provide and install a hailer horn (optional) on the deck or tower of your boat.
Parent Topic: Connection Considerations