Sailor C4951WP Operating And Installation Instructions - Your Vhf Dsc In Detail
5
5
YOUR VHF DSC IN DETAIL
5.1
Full VHF telephone operation
5.1.1
Setting channel mode
Some VHF radios offer a choice between two sets of channels,
called ‘channel modes’. If your unit features two modes, you can
either switch between international and US channels or between
international and BI channels.
International mode is used when
sailing on any sea in the world, except in US waters.
US mode is
used when sailing in US waters.
BI mode is used when sailing on the
rivers of Europe.
5.1.2
Choosing international or US channel mode
If your handset offers the choice, you can switch between interna-
tional and US mode by pressing Shift CH:
When US mode is selected, the yellow US indicator lamp is lit.
Otherwise, the radio is in international mode.
5.1.3
Choosing international or BI channel mode
If your handset offers the choice, you can switch between interna-
tional and BI mode by pressing Shift CH:
When BI mode is selected, the yellow BI indicator lamp is lit.
Otherwise, the radio is in international mode. When BI mode is
selected, ATIS (Automatic Transfer Identification System) is auto-
matically activated.
5.1.4
Transmitting at 25W power
(for US channels 13 and 67 only)
As described on page 3 under ‘Setting the transmitter power’, the
handset can transmit at 1W or at 25W. However, with handsets
programmed with US channels, some of the channels are restricted
to 1W transmission and the TX power level cannot be changed to
25W as described.
5.2
Memory scan tables
Your VHF DSC has eight independent memory Tables – 0 to 7 – for
storing channels for scanning sessions. Each Table may contain any
of the channels available in the system. To help distinguish between
them, you can attach a name up to seven characters long to each
Table number.
To do this, enter the function menu by pressing Shift and Func (see
page 12). The scan Table number is shown in the left corner of the
handset display beneath MEM.
Three of the Tables – 5, 6 and 7 – are pre-programmed and the
contents cannot be altered in any way. In Table 5, the safety and
security channels are 6 and 13, and the priority channel is 16. Table
6 contains the channels for ship-to-ship communication, apart from 6
and 13. And Table 7 contains
all the channels available to the system.
5.3
Selecting a scan table
To select a scan Table, press Shift, Mem followed by the number of
the Table. For example, to select Table 0:
1.
Press Shift followed by MEM.
The handset shows the message SEL for select and the MEM
symbol flashes. At the same time, the lower part of the display gives
the Scan Table number and name (if it has one).
1.
Press 0
The display now shows the new Table number, 0.
5.4
Scanning channels
5.4.1
To start scanning
To start scanning, press Shift, Scan. From left to right, the lower part
of the display shows the number of the scan Table, its name (if it has
one), and its priority channel.
If the Table has not been programmed with any channels, the display
will show the message MEM EMPTY:
5.4.2
To stop scanning
There are four ways to stop scanning.
1.
By pressing Shift and Scan. The system then resumes normal
VHF operation on the channel selected before scanning began.
2.
By pressing 16. The system then resumes normal VHF operation
on channel 16.
3.
By lifting the handset off its rest. The system then resumes
normal VHF operation on the channel selected before scanning
began.
4.
By pressing PTT. If no signal has been detected on any channel,
the system resumes normal VHF operation on the channel
selected before scanning began. If a signal has been detected
on one or more channels, the system resumes normal VHF
operation on the last channel where a signal was detected.
When a signal is detected during scanning, the display changes to
show the channel number and volume. With priority scanning,
channel 16 is scanned once for every channel scanned in the Table.
Channel 16 cannot be deleted or excluded from this process.
5.4.3
Adding a channel to a scan table
To add a channel to a scan Table, first select the Table (see above)
and check the display. Now select the channel – again check in the
display – and press Shift, Store. For example, to add channel 6 to
scan Table 1:
1.
Press Shift, Mem, 1 to select Table 1.
2.
Now press 6 to select channel 6.
3.
Finally, press Shift, Store. The display shows the message
STORES CHANNEL for 2 seconds.
5.4.4
Deleting a channel from a scan table
To delete a channel from a scan Table, first select the Table (see
above) and check the display. Now select the channel – again check
in the display – and press Shift, Delete. For example, to delete
channel 6 from scan Table 1:
1.
Press Shift, Mem, 1 to select Table 1.
2.
Now press 6 to select channel 6.
3.
Finally, press Shift, Delete. The display shows the message
DELETE CHANNEL for 1 second. The display now shows the
next channel in the Table. If there are no more channels in the
Table and deletion is attempted, the display registers MEM
EMPTY.
Operation
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