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Page 31GX5500S
10.14 PA/FOG OPERATION
The GX5500S has a 30W Hailer built-in and can be used with any 4 Ohm PA
Horns. Standard Horizon offers a small and a large PA horn called the 220SW
and 240SW. When in Hail mode the PA speaker Listen’s Back (acts as a mi-
crophone and sends sound to the front panel speaker and the speaker mic)
through the PA horn speaker which provides two-way communications through
the PA horn speaker.
NOTE
When in PA or FOG mode the GX5500S will receive on the last selected
VHF channel before entering into the PA or FOG mode and receive
DSC calls.
NOTE
in some areas powerful AM Broadcast stations may be heard when in
listen back mode. In this case the speaker wire will have to be changed
to 2 conductor Shielded audio cable available from Radio Shack part
number 278-514. refer to section “8.3 ACCESSORY CABLE.”
PA HAIL mode:
PA HAIL mode allows the transceiver to be used as a power hailer when an
optional STANDARD HORIZON 220SW or 240SW HAIL/PA speaker is in-
stalled. The Hail mode has a listen-back feature which provides two way
communication through the HAIL/PA speaker.
FOG HORN mode:
Automatic signaling is transmitted through the HAIL/PA speaker. When the
Fog horn, Bells or Whistle signal is not being outputted the GX5500S lis-
tens back through the connected PA Horn speaker.
10.14.1 Operating the PA HAIL mode
1. Press the
[
F
]
key followed by the
[
2
(
MEM
)]
key, acti-
vate the PA HAIL mode.
2. Press the PTT switch to speak through the HAIL/PA
speaker.
Rotate the CHANNEL selector knob to control the
AF output level. The AF output level can be set from
0 to 30 watts.
3. When the fog signal is not outputted, rotate the VOL
knob to adjust listen back volume.
4. To exit the PA HAIL mode, press the
[
CLR
]
key.