Standard Horizon Quantum GX5000S, Руководство пользователя

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GX5000S Page 24
10.4 TRANSMIT TIME - OUT TIMER
(
TOT
)
When the PTT switch on the microphone is held down, transmit time is limited to
5 minutes. This limits unintentional transmissions due to a stuck microphone.
About 10 seconds before automatic transmitter shutdown, a warning beep will be
heard from the speaker(s). The transceiver will automatically go to receive mode,
even if the
PTT switch is continually held down. Before transmitting again, the
PTT switch must first be released and then pressed again.
10.5 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 FCC (USA),
Industry Canada (Canada), and International regulations. Mode of op-
eration cannot be altered from simplex to duplex or vice-versa.
10.6 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. “ USA ” will be displayed on the LCD for USA mode, “ INTL ” will be dis-
played for International mode, and “ CAN ” will be displayed for Canadian
mode.
3. Refer to the VHF MARINE CHANNEL CHART (page 91) for allocated chan-
nels in each mode.
10.7 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. 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.
10.7.1 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 “
12.11 WX ALERT ”), the transceiver is capable of receiving this
alert if the following is performed: