7.2.4 Loudhailer/Foghorns
NOTE Only available on units fitted with the expansion board.
Two separate loudhailer/foghorns can be fitted to the RS87
(normally one is mounted on the fore of the boat, the other aft).
Connect the loudhailers to the “Aft/Fwd Hailers” terminals on
the transceiver unit as appropriate (Fig 7.8) -
RS87 VHF
62
Part No. E04297
Terminal
Number
1
2
3
4
Wire
Colour(s)
Aft +
Aft -
Fore +
Fore -
Fig 7.8 - Loudhailer terminal connections
WARNING Do not connect any of these terminals to a common ground,
otherwise the RS87 will be permanently damaged.
7.2.5 Remote foghorn button
NOTE Only available on units fitted with the EHX80 expansion board.
Aremote button can be used to activate the foghorn. Connect
the remote button to the terminals marked “Horn Key” as
shown (Fig 7.9) -
Terminal
Number
1
2
Wire
Colour(s)
Red
Blue
Fig 7.9 - Remote foghorn button terminal connections
NOTE Apart from when transmitting, pressing this button will enable
the foghorn to be sounded at any time, regardless of what
mode the RS87 is currently in.
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