© Interleader Limited 2017
10 of 30
Printed: 06/09/2017
8
Normal Operation
As soon as a VHF signal is detected on frequency the Carrier Detect (CD) LED on the VHF Receiver
and the blue Status LED will light for the period that the signal is detected.
During a 5 second period (the international standard for Pilot Controlled Lighting) the system is
counting ‘clicks’ from the pilot. The number of clicks (CD) received in the 5 second period is counted
and at the end of that period the following occurs:
Clicks
Action
Comment
1, 2, 4, 6 or 8
or more clicks
No action taken
Return to standby
One click will be detected any time a pilot or ground station
on frequency presses their Push-To-Talk (PTT) microphone
button.
3
Activate channel 1
If Auxiliary output has been assigned to the selected
channel it will also be turned on.
The assigned Group and Program command is transmitted
by UHF to activate MIL-Star lights.
After the time-out period the lights are turned off again.
5
Activate channel 2
7
Activate channel 3
If no action is taken then the system will return to standby ready to receive new input.
At any time the pilot can re-activate the same channel or activate a different channel by pressing their
PTT again the required number of clicks. The channels requested will be activated and the time-out
period will begin counting down again.
The default settings are shown in the next section.