Sailor C4951WP Operating And Installation Instructions - Your Vhf Dsc In Brief
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Your VHF DSC in brief
3.1
Switching On/Off
Press the key on the keyboard to switch On.
To switch Off, press and hold for 2 seconds.
3.2
Basic telephone operation
Press Tel DSC or 16 to activate the VHF telephone functions.
3.3
Listening for telephone calls
According to international rules,
all ships must continuously monitor
channel 16: that includes yours.
1.
Select channel 16 by pressing 16:
2.
Set the squelch level using the up and down arrows. If noise is
present, press the up arrow until the hiss disappears. If no noise
is present, press down arrow until hiss is heard, followed by one
press of the up arrow.
To listen for calls on other channels, either select the channel
number or use the scanning facility.
3.4
Receiving a call on channel 16
When you hear your call name in the loudspeaker:
1.
Lift the handset.
2.
Press the PTT key.
3.
Repeat the name of the station calling you and say “This is [your
ship’s name].”
4.
Suggest a channel other than 16 by saying “Channel [suggested
number]”.
5.
Say “Over” and release the PTT key to allow your caller to
accept the suggested new channel.
6.
Switch to the new channel – for example, channel 71 – and
begin your conversation. Only press PTT when you are talking. If
you are on a simplex channel (in other words, a channel that can
carry just one transmission at a time), always say “Over” just
before releasing. With duplex channels, the conversation can be
two-way as with a normal land telephone call.
3.5
Making a telephone call
1.
If not already in telephone mode, switch to it by pressing
Tel/DSC or 16.
2.
Select channel 16 (by pressing 16) or other agreed channel.
3.
Lift the handset.
4.
Press the PTT key and make your call. First, say the name of the
station you are calling three times. Then say “This is [your ship’s
name”], again three times. Finally, say “Over”.
5.
Release the PTT key to listen.
6.
When answered, agree upon a channel, switch to that channel –
for example, channel 6 – and begin your conversation. Only
press PTT when you are talking. If on a simplex channel (in other
words, a channel that can carry just one transmission at a time),
always say “Over” just before releasing.
1
Telephone display
Normal display
Scanning display
2
Main handset function keys
On/Off
Switches the handset on or off.
Tel/DSC
Changes operation mode of handset. Toggles between DSC and
TELEPHONE mode.
RX log
Launches DSC menu to read DSC messages.
TX Call
Launches DSC menu to set up DSC calls for transmission.
Send Call
Transmits the waiting DSC call.
Cancel
Cancels any DSC call that has started. Also cancels a DISTRESS or
DISTRESS Repeat call.
16
Selects Telephone mode and switches to channel 16.
Func
Launches the function menu to set up the handset and system. If the
function menu is already active, it switches to VHF telephone mode.
After 5 minutes of inactivity, the handset automatically defaults to
telephone mode.
Operation
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