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Page 25GX3000E
8.4 SIMPLEX/DUPLEX CHANNEL USE
Refer to the VHF MARINE CHANNEL CHART (page 91) for instructions on use
of simplex and duplex channels.
NOTE
All channels are factory-programmed in accordance with International,
Industry Canada (Canada), and FCC (USA) regulations. Mode of opera-
tion cannot be altered from simplex to duplex or vice-versa.
8.5 INTERNATIONAL, USA, AND CANADA MODE
1. To change the modes, hold the
[
16/9
]
key and press the
[
WX
]
key. The
mode changes from International to Canadian to USA with each press of
the
[
WX
]
key.
2. “INTL” will be displayed for International mode, “CAN” will be displayed for
Canadian mode, and “USA” will be displayed on the LCD for USA mode.
3. Refer to the VHF MARINE CHANNEL CHART (page 91) for allocated chan-
nels in each mode.
8.6 NOAA WEATHER CHANNELS
NOTE
NOAA Weather channels are available in the waters of USA and Canada only.
1. To receive a NOAA weather channel, press the
[
WX
]
key from any channel.
The transceiver will go to the last selected weather channel.
2. Turn the CHANNEL selector knob on the radio or
[
UP
(
S
)]
/
[
DOWN
(
T
)]
keys on the microphone to select a different NOAA weather channel.
3. To exit from the NOAA weather channels, press the
[
WX
]
key. The trans-
ceiver returns to the channel it was on prior to a weather channel.
8.6.1 NOAA Weather Alert
In the event of extreme weather disturbances, such as storms and hurricanes,
the NOAA (National Oceanic and Atmospheric Administration) sends a weather
alert accompanied by a 1050 Hz tone and subsequent weather report on one of
the NOAA weather channels. When the Weather Alert feature is enabled (see
section “10.10 WX ALERT”), the transceiver is capable of receiving this alert if
the following is performed:
1. Program NOAA weather channels into the transceiver’s memory for scan-
ning. Follow the same procedure as for regular channels under section “9.12
SCANNING.”
2. Press the
[
SCAN
(
MEM
)]
key once to start memory scanning or priority scan-
ning (determined from the “10.7 SCAN TYPE” section, see page 60 for