Southern Avionics Company SD100 Manual Do Utilizador

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The Optional Local Control can be used as either a local or remote operating panel. The Local 
Control is a microprocessor-based (Motorola M68HC11) unit offering partial control over the 
controller / monitor and thereby the system. It offers similar functionality  to a standard front 
panel on older equipment.

Pushbuttons allow  the user to select and or control the following:

Primary Transmitter Select (1 or 2)
Mode Select (ID, CONT or CARR)
Transmitter Displayed (1 or 2)

And view readings of: readings for:

PA Voltage
PA Current
PA Temperature
Forward Power
Reflected Power
Modulation%
Audio Frequency (tone)
RF Frequency

The user can adjust or set the:

 Modulation Percentage
 RF Power output level
 RF ON/OFF
 Enable/Disable Alarms
Select Local/Remote Control

 When one of any pushbuttons is pressed except RESET, the 6811 processor sends a data 

command to the Controller / Monitor through the serial communication port.
RESET forces Local Panel re-initialization.

The 7 segment led display update comes from the Controller / Monitor  The displays provide the 
3 following groups for reading:

1. RF Power:

Up to 4 digits display the Modulation%, forward power and reflected power.

2. Power Amplifier (P.A.):

Up to 3 digits Display the voltage, current and temperature.