User's Manual

HF NETWORKS
WORKING WITH HF NETWORKS
ENVOY™ TRANSCEIVER REFERENCE MANUAL 139
NOTE: Do not enter a self address that ends with one or more zeros.
Zeros are used to indicate that calls are to be made to groups of
stations in a Codan Selcall HF network.
 Press to move to the Scan Tables entry.
 To select a scan table:
• Press to view the list of available scan tables.
• Press or to scroll to the scan table that you want to use, then
press OK.
•Press (Save).
 Press to move to the Global entry.
 If you want the information for this HF network to be used for all channels
programmed in the transceiver, select the On check box.
 Press to move to the Preamble Length entry.
 If the Auto value is not suitable, press repeatedly to increment the preamble
length by 1 sec, up to a maximum of 50 sec/HF network.
 Press to move to the Send Preamble entry.
 Press or to scroll through the following values:
• To send preamble with every call made via this HF network, select
Always.
• To send preamble only when your transceiver is scanning when you start
a call, select Only when scanning.
 If you are adding an HF network with an ALE/CALM call system:
• Press to move to the Sounding Interval entry.
• Press or to select the sounding interval that you want to use, or disable
sounding.
 Press to move to the Privacy Mode entry.
 Press or to scroll through the following values:
• To make calls between two stations using a Codan protocol with special
formatting, select None.
• To encrypt data in calls between two stations using an agreed privacy
password, select Group.
• To send AMD messages in ALE calls (MIL-STD-188-141B ALE only),
select Plain.
 Press to move to the Privacy Password entry.
 To enter a privacy password:
•Press.
• Enter the password that you want to use in the New Password field.
•Press (Save).
 Press to move to the Rx Only entry.