Operation 
4-36 
4.4 Basic DSC operations  
When calling stations, the DSC is also available for a routine, safety, urgency call or a distress 
alert. This section explains basics of how to use the DSC to make routine calls.   
4.4.1  Routine calls to an individual station   
For radiotelephone or telex communication, a DSC routine call to the station to be called can be 
made as follows. 
■ Procedure ■ 
1
1
1
.
.
.
 
 
 
On the status display or operation display, 
holding down the MENU key, press 1CLAR key 
to open “1. DSC non-distress call”. 
The screen as shown at right is displayed. The 
calling FRQ of 2177.00 kHz is the prescribed 
default value. But the working FRQ (MF) is 
rewritable. 
If no data is shown in the working FRQ field 
just after turning on, please contact JRC or 
our agency to register the nonvolatile data. 
In this case, the input MF data is stored 
temporarily as the volatile data. 
2
2
2
.
.
.
 
 
 
Input the destination address.   
-  If inputting the 9 digits MMSI manually, use 
the numeric keypad or the jog dial, or 
-  If the DSC call list is already prepared, press 
ENT to open the station list as shown at right 
and select the receiver from the list. 
 
3
3
3
.
.
.
 
 
 
The cursor is focused on the Call. To make 
a call without changing the parameters, 
press ENT. 
-  To change the DSC calling frequency, select 
the Calling FRQ and press ENT to open the 
DSC call list as shown at right to select the 
channel. When inputting manually, press 
CANCEL to return to the column. 
-  After changing the DSC calling frequency on 
HF, the working frequency is automatically 
selected within upto 10 seconds. However if 
no frequency is detected or if another 
frequency is needed, manually inputting the 
frequency is also available. 
-  To check the details of the message, press 
ENT on the Preview menu to open the screen 
as shown at right (bottom). 
1)DSC non-distress call 
 Call type  :[RTN/Indv/TEL  ] 
No  Station name  MMSI 
01 
02 
03 
04 
05 
06 
07 
JRC MITAKA1 
JRC MITAKA2 
JRC MITAKA3 
JRC MITAKA4 
JRC MITAKA5 
JRC MITAKA6 
JRC MITAKA7 
123456789 
431012345 
431123456 
431234567 
431000123 
004310014 
431888888 
Note 
1)DSC non-distress call 
Call type  :[RTN/Indv/TEL  ] 
Address    :[123456789] 
Calling FRQ:[ 2177.00kHz] 
Working FRQ:[ 2150.00kHz] 
 
 
 
 
[Call]   [Preview]   [Cancel]