GX1256SPage 22
6.4 SIMPLEX/DUPLEX CHANNEL USE
Refer to the VHF MARINE CHANNEL CHART (page 60) for instructions on
use of simplex and duplex channels.
NOTE
All channels are factory-programmed in accordance with FCC (USA),
Industry Canada (Canada), and International regulations. Mode of op-
eration cannot be altered from simplex to duplex or vice-versa.
6.5 USA, CANADA, AND INTERNATIONAL MODE
1. To change the modes, hold the [16/9] key and press the [WX] key. The
mode changes from USA to International to Canadian with each press of
the [WX] key.
2. “U” will be displayed on the LCD for USA mode, “I” will be displayed for
International mode, and “C” will be displayed for Canadian mode.
3. Refer to the VHF MARINE CHANNEL CHART (page 60) for allocated
channels in each mode.
6.6 NOAA WEATHER CHANNELS
1. To receive a NOAA weather channel, press the [WX] key from any chan-
nel. The transceiver will go to the last selected weather channel.
2. Press the [UP] or [DOWN] key on the microphone or on front panel 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.