Sailor C4951WP Operating And Installation Instructions - Dsc Operation In Detail

7

6

DSC operation in detail

6.1

Receiving DSC calls

When you receive a DSC call, the handset will ring (see next

section). At the same time, the Call indicator lamp will light and, if it

is a DISTRESS call, the Alarm indicator lamp will also light. In

addition, one of the following will apply.

1.

If the handset is on its rest in VHF mode

If the handset is in VHF mode, it automatically switches to DSC

mode. The display toggles with the second screen carrying

limited information on the call.

2.

If the handset is on its rest in DSC mode

If the handset is in DSC mode or with its Function menu active, it

continues as normal.

3.

If the handset is off its rest in VHF mode

If the handset is in VHF mode, it continues in VHF mode. Press

Tel/DSC to see the display carrying limited information on the

call as in 1.

4.

If the handset is off its rest in DSC mode

If the handset is in DSC mode or with its Function menu active, it

continues as normal.

In every case, to view the complete DSC message, press RX/Log

and use the right arrow to step through the information.

6.2 Differentiating calls by the ringing tone

Your VHF DSC rings in various ways according to the nature of the

call, as the following diagram shows.

30 sec.

3 sec.

1 sec.

7 sec.

DISTRESS  &

URGENCY

TONE SIGNAL

35294

CONNECT

VHF

CALL

DISTRESS 

SAFETY CALLS

ALL SHIP

OTHER

DSC CALLS

Restarts

after

30 sec.

The sequence of each of these repeats every 30 seconds or until the

DSC call is read or answered. If the handset is off its rest, it rings

with a short tone every 30 seconds until the call has been read.

Operation

0238