Comtech EF Data XPA-200 Installation And Operation Manual page 46

XPA200-7984-I-OPT1, X-Band SSPA
3.3.1 SSPA Commands (cont.)
When an operating mode is selected, a parameter or a digit
within the parameter will be flashing on the LCD display.
the "RIGHT" and "LEFT" arrows buttons to sequence through the
parameters or digits to select the next parameter or digit.
specific parameter or value is selected by pressing the "ENT"
button. If a parameter or value is selected in error, press the
clear ("CLR") button which will return the SSPA to the original
parameter or value to allow another selection.
After selecting a parameter or digit, use the "UP" or "DOWN"
arrow buttons to select the next parameter, or to increment or
decrement the value of a digit.
value is selected by pressing the "ENT" button.
or value is selected in error, press the clear ("CLR") button
which will return the SSPA to the original parameter or value to
allow another selection.
Each time the clear ("CLR") button is pressed, the SSPA will
return to the menu level prior to the last "ENT" command.
3.3.2 Configuration Menu
The Configuration Functions are as follows:
3.3.2.1 Frequency Operating Mode
Attenuation (ATTN):
Input and displays the SSPA attenuation setting
is selected between 0.00 to 20.00 in 0.25 dB steps.
The default setting is 10.00 dB.
Amplifier:
default mode is ON.
Mute:
Other possible modes are:
XPA200-7984-I-OPT1, Rev.2
Control supply voltage to RF FETS. The
Provide SSPA mute control.
INH inhibited or muted by the Mitec 2723B
EXT mute on from external J4 control (see
section 1).
A specific new parameter or new
The default is OFF.
System Operation
Use
A
If a parameter
which
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