Controlling user access
478 Manpack Transceiver 2110 series Reference Manual
Automatic startup of secure mode
If you want to ensure that your transceiver starts up in secure mode, regardless of the
secure state when the transceiver was switched off, append ! to the secure configuration
command.
For example, if you want to restart the transceiver in secure mode, but be able to switch
encryption on and off, enter the following in the Message 10 entry:
#$! SOD!
Automatic standby for use with Codan Selcall
If your HF communication network operates with the Codan Selcall call system, you will
not hear revertives from the called station when secure mode is active. You can set a
brief period following a call made in a Codan Selcall network during which the
transceiver enters secure standby, listens for revertives, then returns to secure mode after
any one of the following:
• the end of the period is reached
• you press PTT to begin transmission
• you receive encrypted audio from another station
The time required depends on the length of time the called station takes to tune the
antenna, typically 12 to 15 seconds. You can use automatic secure standby with the SOA,
SOS and SOD configuration commands and set the standby time in the range 0 to
99 seconds. The default setting is 12 seconds.
For example, if you want the transceiver to enter secure standby mode for 15 seconds
following a call made using a Codan Selcall network, enter the following into the
Message 10 entry:
#$! SOS15
NOTE
If you want to include the automatic startup command (!), this must be
included immediately after the secure mode command, followed by the
standby period, for example #$! SOS!15.
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