DIGITAL SELECTIVE CALLING
FM-4850 Operator’s Manual
Step 5 Press the Menu/DSC control to initiate a group call.
When CH70 is busy, you can wait without pressing any key until CH70
is idle.
When CH70 is idle, the All Ships call is transmitted, and the radio
switches to the selected channel.
Step 6 Select "OK" to return to the home screen.
Step 7 Press and hold the PTT key to talk into the handset.
4.6.2 How to Receive an All Ships Call
The channel change of your radio has two modes: "AUTO" and "MANUAL".
Different channel change modes lead to different operations when you receive an
All Ships call. For information about how to set the channel change mode, see
section 12.3 Channel Change Mode.
When the channel change mode is "AUTO"
Step 1 When an All Ships call is received, an emergency alarm sounds. Rotate
the Menu/DSC key to stop the alarm.
The following screen appears. The screen shows the MMSI of the vessel
calling and three soft keys:"ACCEPT","CANCEL", and "PAUSE". If the
requested channel cannot comply, the screen only shows the "CANCEL"
soft key.
ACCEPT: Select the soft key to continue with the call and switch to the
requested channel.