Comtech EF Data CST-5000 User Manual

Page 82

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CST-5000 C-Band Satellite Terminal

Operation

Rev. 9

4–7

The following listing describes each Configuration function in detail.

Function

Description

SELECT

Selects any one of the three “preset” configurations. The user must first program
(store) configuration parameters in the PROGRAM menu.

On entry, the current Select parameter will appear in the menu. Press [

] or [

] to

select 1, 2, 3, or None. Press [ENTER] to execute the change. If no parameters have
been selected in the PROGRAM menu, default configurations will be loaded.

RF OUTPUT

Programs the RF output to ON, WRM, or OFF.

On entry, the current status of the output is displayed. Press an Arrow key to select
ON, WRM, or OFF. Press [ENTER] to execute the change.

U/C FREQ

Programs the up converter frequency between 5845 and 6425 MHz, in 2.5 MHz
steps.

On entry, the current up converter frequency is displayed with the flashing cursor on
the first character. Press [

] or [

] to move the flashing cursor. Press [

] or [

] to

increment or decrement the digit at the flashing cursor. Press [ENTER] to execute the
change.

Note: The frequency is programmable within the specified range in 2.5 MHz steps.
When the transmitter frequency is changed, the transmitter is automatically turned
OFF to prevent the possible swamping of other channels. To turn the transmitter ON,
use the RF OUTPUT menu.

D/C FREQ

Programs the down converter frequency between 3620 and 4200 MHz, in 2.5 MHz
steps.

On entry, the current down converter frequency is displayed with the flashing cursor
on the first character. Press [

] or [

] to move the flashing cursor. Press [

] or [

] to

increment or decrement the digit at the flashing cursor. Press [ENTER] to execute the
change.

U/C ATTN

Programs the up converter output power attenuation from 0 to 25 dB, in 0.5 dB steps.

On entry, the current up converter attenuation is displayed with the flashing cursor on
the first character. Press [

] or [

] to increase or decrease the output power

attenuation in 0.5 dB steps. Press [ENTER] to execute the change.

D/C ATTN

Programs the down converter input power attenuation from 0 to 21 dB, in 0.5 dB
steps.

On entry, the current down converter attenuation is displayed with the flashing cursor
on the first character. Press [

] or [

] to increase or decrease the output power

attenuation in 0.5 dB steps. Press [ENTER] to execute the change.

PROGRAM

Programs or clears the current frequency and attenuator settings as one of the three
“preset” selections.

On entry, 1*, 2*, or 3* will appear in the window. Press [

] or [

] to move the

cursor from left to right. When the flashing cursor is on any of the “*”s, press [

] or

[

] to turn the “*” ON or OFF. When the “*” is ON, press [ENTER] to clear stored

parameters in the preset location to the left of the “*”. When the “*” is OFF, press
[ENTER] to store the current frequency and attenuation parameters in the preset
location at the cursor. To recall any of the present selections, use the SELECT menu,
and select 1, 2, or 3. Press [ENTER].

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