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BARRETT 4050 HF SDR TRANSCEIVER - OPERATING AND INSTALLATION MANUAL
Secure
Secure Calls can only be made on channels programmed with International
Format Selcall.
A Person to Person(s) Secure Call allows a secure voice connection to be made
between two or more stations.
Note: The 4 digit secure call code must be the same for both stations. See Secure
Call Code on page 113.
Use
and
to select the channel you want to set the secure link to
DQGOLVWHQIRUWUDIÀFRQWKDWFKDQQHO
Note: Use a Beacon Call initially to select the best channel - see page 32.
,IWUDIÀFLVQRWKHDUGSUHVV
and if necessary tap
to display the Man-
ual Call screen.
Tap
6HFXUH
to display the Selcall ID
screen.
Use the keyboard to type the Selcall
ID, then tap
Enter
or press
and
wait for the Selective Call to be sent..
Note: To make a secure call to multiple
stations, use a group call ID encom-
passing the required stations.
Listen for the secure call revertive tone from the called station which indicates
the call was successful.
Note: The secure call revertive tone has a different sound to the revertive tones of
the other call types.
,IUHYHUWLYHWRQHLVQRWKHDUGRULWZDVGLIÀFXOWWRKHDUWU\DQRWKHUFKDQQHODQG
repeat the process until a good channel is found.
To exit out of secure call mode, press
or send a “Hangup” call.
Note: Revertive tones will not be heard if using a group call code to call multiple
stations.
6HFXUHPRGHLVFRQÀUPHGDQGLQGL
-
cated beneath the title bar.
Содержание 4050 HF SDR
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