Garmin VHF 110 Marine Radio Owners Manual - Page 7

Switching Between 1 W and 25 W

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• To stop scanning channel 16, select -CH16. For example, the radio scans saved channel 21, saved channel 25, and so on. • To end the scan, select EXIT. The radio stops scanning and tunes to the last used active channel. Monitoring Multiple Channels Before you can monitor multiple channels, you must turn off ATIS (Automatic Transmitter Identification System, page 8). You can monitor priority channels and the currently selected channel for broadcasting activity. Channel 16 is the first-priority channel on your radio. Channel 9 is the default second-priority channel. You can program a different channel as your secondpriority channel (Selecting a Different Second-Priority Channel, page 3). Select WATCH. Monitoring Two Channels You can monitor your current channel and channel 16 at the same time. Select WATCH > DUAL. DUAL WATCH and the channels you are monitoring appear on the screen. For example, DUAL WATCH CH:, and 16 + 9. Monitoring Three Channels You can monitor your current channel, channel 16, and your second-priority channel at the same time. Select WATCH > TRI. TRI WATCH, your current channel, channel 16, and your second-priority channel appear on the screen. For example, TRI WATCH CH:, and 75 + 16 + 9. Selecting a Different Second-Priority Channel You can select a channel other than channel 9 as your secondpriority channel. 1 Select MENU > CHANNEL > 2ND PRIORITY. 2 Select an option: • On the radio, turn the SELECT dial to the preferred channel. • On the handset, select or to find the preferred channel. 3 Select OK. Switching to Priority Channels You can quickly switch between your current working channel and a priority channel. When you change to a priority channel, the transmit power is set to high (25 W) automatically, and when you change back to your current channel, the transmit-power setting is restored. On North American models, you can quickly switch between channel 16, your second-priority channel, and your original channel using the 16/9 key. On International models, you can quickly switch between channel 16 and your original channel using the 16+ key. 1 To switch from your current channel to channel 16, select 16/9 or 16+. The transmit power changes to high (25 W) automatically. You can select HI/LO > 1W to change the transmit power to low (1 W). 2 On North American models, select 16/9 to switch to your second-priority channel. 3 Select 16/9 or 16+ to return to your previous channel and transmit-power setting. Setting the Receiving Sensitivity You can control the receiving sensitivity of the radio. When you have noise in high-traffic areas or areas with electromagnetic interference, such as near cell-phone towers, you can set the receiving sensitivity to LOC to decrease receiver sensitivity. In remote areas and on open water, you can set the receiving sensitivity to DIST to ensure that you use the maximum range of the receiver. 1 Select HI/LO. 2 Select an option: • Select LOC to enable local sensitivity. • Select DIST to enable distant sensitivity. Switching Between 1 W and 25 W Transmitting Modes You can control the transmitting power of the radio. Low (1 W) is used for local transmissions, and high (25 W) is used for distance and distress transmissions. When two signals broadcast on the same frequency, a VHF radio receives only the stronger of the two signals. You should transmit calls other than distress calls using the lowest power setting that allows you to communicate, to reduce the possibility that your transmissions interfere with the transmissions of others. In the USA frequency band, transmissions on channels 13 and 67 must be low (1 W) by default. You can bypass the power setting temporarily during transmission (Bypassing the Low Transmission Power Setting, page 2). In the International channel band, transmissions on channels 15 and 17 must be low (1 W), and the radio does not allow transmissions on these channels to be changed to high (25 W). 1 Select HI/LO. 2 Select 1W or 25W. Using the Hailer Before you can use the hailer function, you must provide and install a hailer horn on your boat deck or tower (optional). For more information, see the VHF 110/210 AIS Series Installation Instructions. The hailer allows you to make on-boat or ship-to-shore announcements, and allows two-way communications between connected radios. You can address the ship using the radio or handset, and sounds received through the horn can be heard through the radio speaker. For vessels with enclosed cabins, the hailer allows you to hear sounds from the deck. NOTE: Hailer functionality is not available on all VHF radio models. NOTE: When the radio is in hailer mode, it does not receive broadcasts from the currently active channel. 1 Select PA > HAILER. Sounds received through the horn are heard through the radio speaker. 2 Hold PTT. 3 Select an option: • To make an announcement, speak into the handset. • To adjust the volume of the hailer broadcast, turn the SELECT dial on the radio, or select or on the handset. 4 Release PTT to stop broadcasting and listen for broadcasts from other connected radios on the ship. Foghorn NOTE: Foghorn functionality is not available on all VHF radio models. Basic Operation 3

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•
To stop scanning channel 16, select
-CH16
.
For example, the radio scans saved channel 21, saved
channel 25, and so on.
•
To end the scan, select
EXIT
.
The radio stops scanning and tunes to the last used active
channel.
Monitoring Multiple Channels
Before you can monitor multiple channels, you must turn off
ATIS (
Automatic Transmitter Identification System
, page 8
).
You can monitor priority channels and the currently selected
channel for broadcasting activity. Channel 16 is the first-priority
channel on your radio. Channel 9 is the default second-priority
channel. You can program a different channel as your second-
priority channel (
Selecting a Different Second-Priority Channel
,
page 3
).
Select
WATCH
.
Monitoring Two Channels
You can monitor your current channel and channel 16 at the
same time.
Select
WATCH
>
DUAL
.
DUAL WATCH and the channels you are monitoring appear
on the screen. For example, DUAL WATCH CH:, and 16 + 9.
Monitoring Three Channels
You can monitor your current channel, channel 16, and your
second-priority channel at the same time.
Select
WATCH
>
TRI
.
TRI WATCH, your current channel, channel 16, and your
second-priority channel appear on the screen. For example,
TRI WATCH CH:, and 75 + 16 + 9.
Selecting a Different Second-Priority
Channel
You can select a channel other than channel 9 as your second-
priority channel.
1
Select
MENU
>
CHANNEL
>
2ND PRIORITY
.
2
Select an option:
•
On the radio, turn the
SELECT
dial to the preferred
channel.
•
On the handset, select
or
to find the preferred
channel.
3
Select
OK
.
Switching to Priority Channels
You can quickly switch between your current working channel
and a priority channel. When you change to a priority channel,
the transmit power is set to high (25 W) automatically, and when
you change back to your current channel, the transmit-power
setting is restored.
On North American models, you can quickly switch between
channel 16, your second-priority channel, and your original
channel using the 16/9 key.
On International models, you can quickly switch between
channel 16 and your original channel using the 16+ key.
1
To switch from your current channel to channel 16, select
16/9
or
16+
.
The transmit power changes to high (25 W) automatically.
You can select
HI/LO
>
1W
to change the transmit power to
low (1 W).
2
On North American models, select
16/9
to switch to your
second-priority channel.
3
Select
16/9
or
16+
to return to your previous channel and
transmit-power setting.
Setting the Receiving Sensitivity
You can control the receiving sensitivity of the radio. When you
have noise in high-traffic areas or areas with electromagnetic
interference, such as near cell-phone towers, you can set the
receiving sensitivity to LOC to decrease receiver sensitivity. In
remote areas and on open water, you can set the receiving
sensitivity to DIST to ensure that you use the maximum range of
the receiver.
1
Select
HI/LO
.
2
Select an option:
•
Select
LOC
to enable local sensitivity.
•
Select
DIST
to enable distant sensitivity.
Switching Between 1 W and 25 W
Transmitting Modes
You can control the transmitting power of the radio. Low (1 W) is
used for local transmissions, and high (25 W) is used for
distance and distress transmissions.
When two signals broadcast on the same frequency, a VHF
radio receives only the stronger of the two signals. You should
transmit calls other than distress calls using the lowest power
setting that allows you to communicate, to reduce the possibility
that your transmissions interfere with the transmissions of
others.
In the USA frequency band, transmissions on channels 13 and
67 must be low (1 W) by default. You can bypass the power
setting temporarily during transmission (
Bypassing the Low
Transmission Power Setting
, page 2
).
In the International channel band, transmissions on channels 15
and 17 must be low (1 W), and the radio does not allow
transmissions on these channels to be changed to high (25 W).
1
Select
HI/LO
.
2
Select
1W
or
25W
.
Using the Hailer
Before you can use the hailer function, you must provide and
install a hailer horn on your boat deck or tower (optional). For
more information, see the
VHF 110/210 AIS Series Installation
Instructions
.
The hailer allows you to make on-boat or ship-to-shore
announcements, and allows two-way communications between
connected radios. You can address the ship using the radio or
handset, and sounds received through the horn can be heard
through the radio speaker. For vessels with enclosed cabins, the
hailer allows you to hear sounds from the deck.
NOTE:
Hailer functionality is not available on all VHF radio
models.
NOTE:
When the radio is in hailer mode, it does not receive
broadcasts from the currently active channel.
1
Select
PA
>
HAILER
.
Sounds received through the horn are heard through the
radio speaker.
2
Hold
PTT
.
3
Select an option:
•
To make an announcement, speak into the handset.
•
To adjust the volume of the hailer broadcast, turn the
SELECT
dial on the radio, or select
or
on the
handset.
4
Release
PTT
to stop broadcasting and listen for broadcasts
from other connected radios on the ship.
Foghorn
NOTE:
Foghorn functionality is not available on all VHF radio
models.
Basic Operation
3