Humminbird VHF55S - Manual (Page 13)

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3. Selecting U.S./International/Canadian Band
When operating in U.S. waters, your radio should be set for the U.S. band; when operating in
Canadian waters, the radio should be set for the Canadian band; when operating in International
waters, the radio should be set for the International band.
To select a band:
1. To select a band, press and hold the WX/BAND key for 3 seconds, then release. The LCD
will display the U, I or C icon (for U.S., International, or Canadian). Continue to press and
hold the WX/BAND key for 3 seconds, then release until the LCD shows the desired band.
4. Transmitting and Receiving
Use the Push-To-Talk (PTT) key to transmit (speak) and receive (listen) on the selected channel.
To transmit and receive:
1. Press and hold the Push-To-Talk (PTT) key, then speak into the radio to transmit. The TX icon
will appear on the LCD while you are transmitting.
2. Release the Push-To-Talk (PTT) key to listen.
NOTE: Before transmitting, make sure that the channel you have selected is not a receive-only
channel.
5. Accessing the 16/9 Priority Channels
The Channel 16/9 Priority key allows you to access the emergency channel 16 quickly; pressing
and holding this key also allows you to access channel 9, which is an alternate emergency
channel in some areas.
To access the 16/9 channels:
1. Press the Channel 16/9 Priority key to access channel 16.
2. To access the alternate channel 9 which is available in some areas, press and hold the
Channel 16/9 Priority key for 3 seconds, then release.
6. Selecting a Channel
Use the Up/Down key to scroll through the available channels. See Marine Channels for a list of
channels and their frequencies.
To select a channel:
1. To select a channel, use the Up/Down key to find a channel. Stop when you find the
desired channel.
NOTE: Not all channel numbers are available in INT bands.
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