Garmin VHF 315 Series Manuel du propriétaire - Page 9
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Adjusting the Squelch Level
You can adjust the sensitivity level of the squelch to filter out background noise. When you increase the
squelch level, you hear fewer weak background signals when you are receiving.
1 Select VOL/SQ.
SQUELCH appears on the screen.
2 Turn the dial counter-clockwise until you hear audio.
3 Turn the dial clockwise until there is no background noise.
Selecting the Frequency Band
You can switch between the USA, International, or Canadian frequency bands
NOTE: Not all frequency bands are available on all device models.
1 Select MENU > CHANNEL > FREQUENCY BAND.
2 Select a frequency band.
Selecting a Channel
You can select an International, Canadian, or USA channel
Turn the dial.
Transmitting with the Radio
1 Select an appropriate channel.
2 Verify that the channel is clear.
NOTE: You cannot obstruct the communications of other people due to Federal Communications
Commission (FCC) and international guidelines.
3 Select PTT on the handset.
appears at the top of the screen.
4 Speak into the handset.
NOTE: Five minutes is the maximum time allowed for transmission. After five minutes of transmitting, PTT
is disabled until you release PTT.
5 Release PTT.
Scanning and Saving Channels
Scanning All Channels
When you scan channels, the radio searches for channels that are broadcasting. When a channel is
broadcasting, the radio pauses on that channel until the broadcast stops. After four seconds of inactivity on a
channel, the radio resumes scanning.
NOTE: When you turn on ATIS
or save channels.
1 Select SCAN > ALL.
2 Select an option:
• To exclude the currently active channel from subsequent passes and resume scanning, select SKIP.
• To scan channel 16 each time another channel is scanned, select +CH16.
For example, the radio scans channel 21, channel 16, channel 22, channel 16, and so on.
+CH16 appears on the device screen.
• To scan channel 16 in its usual order, select -CH16.
For example, the radio scans channel 14, channel 15, channel 16, channel 17, and so on.
• To end the scan, select EXIT.
The radio stops scanning and tunes to the last used, active channel.
Basic Operation
(Automatic Transmitter Identification System, page
(Channel Lists, page
(Selecting the Frequency Band, page
20), the radio does not scan
23).
5).
5