Garmin GPSMAP 215 Руководство пользователя - Страница 6
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Icon Status
Incoming or missed DSC call
Weather alerts enabled
GPS signal acquired
Basic Operation
Turning On and Off the Device
Hold PWR.
TIP: You can set the device to turn on automatically
Settings, page
10).
Adjusting the Radio Volume
1
Set the squelch level to MIN before you adjust the radio
volume (optional).
2
Turn the VOL/SQ dial to increase or decrease the radio
volume.
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
Press the VOL/SQ dial.
SQUELCH appears on the screen.
2
Turn the VOL/SQ dial counter-clockwise until you hear audio.
3
Turn the VOL/SQ dial clockwise until there is no background
noise.
Selecting the Frequency Band
You can switch between the USA, International, or Canadian
frequency bands
(Channel Lists, page
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
(Selecting the Frequency Band, page
Select an option:
• To select a channel on the device, turn the SELECT dial.
• To select a channel on the handset, select
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.
Bypassing the Low Transmission Power
Setting
In the USA and Canadian frequency bands, transmissions on
select channels are required to be low-power (1 W) by default,
2
(System
10).
2).
or
.
because they are intended for intership (bridge-to-bridge)
communication
(Switching Between 1 W and 25 W Transmitting
Modes, page
3). If other radios cannot receive these channels
due to the low power setting, you can bypass the default
restriction during transmission.
NOTE: In the International channel band, the radio does not
permit transmissions on these select channels to be changed to
high (25 W).
1
From a USA or Canadian channel set to low power by
default, such a 13,17, or 77, select PTT.
2
While transmitting, select 25W.
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
Identification System, page
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.
Saving a Channel
You can save any channel except the weather (WX) channels.
You can save an unlimited number of channels.
1
Select SCAN.
2
Turn the SELECT dial until you find a channel you want to
save.
3
Select SAV CH.
appears above a saved channel.
Removing a Saved Channel
1
Select SCAN.
2
Turn the SELECT dial until you find a saved channel.
NOTE: A saved channel has
3
Select SAV CH.
Scanning Saved Channels
You can scan only the channels you have saved. When a saved
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
Identification System, page
save channels.
1
Select SCAN > SAVED.
(Automatic Transmitter
8), the radio does not scan or
above it.
(Automatic Transmitter
8), the radio does not scan or
Basic Operation