Using DSC Features
Calling a Single Station (Individual Call)
To call a single station with DSC, follow these steps:
1. Press and hold
MENU/CALL
to display the
Call
menu.
2. Select
Individual
.
3. The radio displays the names listed in your directory; use
Channel Up
or
Channel Down
to choose the directory entry you want to call and
press
DISP/ENT/H/M/L
.
If you want to call a station that is not in your directory, select
Manual
.
The radio prompts you to enter the MMSI number you want to call.
Enter the MMSI number the same way you enter directory entries (see
page 33). Enter all nine digits and press
DISP/ENT/H/M/L
.
4. The radio prompts you to select a response channel. Use
Channel Up
or
Channel Down
to scroll through the available channels. When you
reach the channel you want to use for a response, press the
DISP/
ENT/H/M/L
button.
5. The radio displays the MMSI number you are about to call and asks
you to confirm. If you want to call the displayed MMSI number, select
Send (press
DISP/ENT/H/M/L
. To cancel the call, select
Exit
(press
CLR/VOL
).
6. The radio automatically switches to channel 70 to transmit the call
request.
•
When the other station accepts the call, both radios switch to the
selected response channel for voice transmission.
•
If the other station cannot respond on the channel you selected, the
radio displays
Not support CH
.
Calling a Particular Group of Stations (Group Call)
Group calling calls all the stations that share your group MMSI. You must
have a group MMSI programmed into the radio to make a group call, and
the stations (boats) you are calling must have this same group MMSI
programmed into their radios.
1. Press and hold
MENU/CALL
to display the
Call
menu.
2. Select
Group
.
3. The radio prompts you to select a response channel. Use
Channel
Up
or
Channel Down
to scroll through the available channels. When
you reach the channel you want to use for a response, press
DISP/
ENT/H/M/L
.
4.
The radio asks you to confirm the call. Select
Send
(press
DISP/ENT/
H/M/L
) to continue with the call or select
Exit
(press
CLR/VOL
) to
cancel the call.
5.
The radio switches to channel 70 to transmit the call request then
automatically switches to the designated response channel.
37
Handheld VHF Marine Transceiver
UNIDEN MHS245
Summary of Contents for MHS245
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