User's Manual Part 2

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Sounding Control
ALE operates normally both transmitting and receiving sounds when Sounding
Control is set to "Enable”. In some circumstances however it is desirable not to
transmit soundings under any circumstances, in this case Sounding Control is set to
“Disable”. Sounding is limited to certain channels (pre-programmed by the ALE fill
program). The ALE system will however, continue to make and respond to calls
(depending on the Response Control settings).
Use the Scroll keys to select the setting required (example
“Enable”):-
When the setting required is selected press the key