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SLM-7650 Satellite Modem
Operation
3.4.1.4
Local AUPC Menu
The Local AUPC menu is used to configure the Automatic Uplink Power Control
parameters for a Duplex or Simplex (Broadcast) link. This menu will only be displayed
if the modem is programmed to a mode that requires AUPC functionality. Within the
Utility: Modem Type menu, selection of Modem Types 7650-02 or ASYNC or
programming the Local Modem AUPC to ON will activate this display.
Menu Item
AUPC ENABLE
NOMINAL POWER
MINIMUM POWER
MAXIMUM POWER
TARGET E
/N
b
0
TRACKING RATE
LOCAL CL ACTION
REMOTE CL ACTION
Programs the Automatic Uplink Power Control On or Off.
On entry, the current status is displayed. Press an arrow key to make the selection.
Press [ENTER] to execute the change.
Programs the nominal power value of the AUPC. The nominal power value can range
from +5 to -30 dBm, in 0.1 dBm steps.
On entry, the current nominal power value is displayed. Press an arrow key to
increment or decrement the digit at the flashing cursor. Press [ENTER] to execute the
change.
Programs the minimum power level of the AUPC. The minimum power level can range
from +5 to -30 dBm, in 0.1 dBm steps.
On entry, the current minimum power level is displayed. Press an arrow key to
increment or decrement the digit at the flashing cursor. Press [ENTER] to execute the
change.
Programs the maximum power level to the AUPC. The maximum power level can
range from +5 to -30 dBm, in 0.1 dBm steps.
On entry, the current maximum power level is displayed. Press an arrow key to
increment or decrement the digit at the flashing cursor. Press [ENTER] to execute the
change.
Programs the E
/N
target set point. The E
b
0
dB, in 0.1 dB steps.
On entry, the current E
/N
b
increment or decrement the digit at the flashing cursor. Press [ENTER] to execute the
change.
Programs the maximum tracking rate of the AUPC.
Maximum tracking rate can range from 0.5 to 6.0 dBm per minute, in 0.5 dB steps.
On entry, the current maximum tracking rate is displayed. Press an arrow key to
increment or decrement the digit at the flashing cursor. Press [ENTER] to execute the
change.
Choices are: HOLD, NOMINAL, MAXIMUM
If the local demodulator loses lock then the modulator output level will change
depending on the selected choice. The choices are:
HOLD to the current level
Return to the selected NOMINAL level
To shoot to the selected MAXIMUM power level
On entry, the current status of the local carrier loss is displayed. Press an arrow key to
make the selection. Press [ENTER] to execute the change.
Choices are HOLD, NOMINAL, MAXIMUM
This will cause the local modulator output level to change depending on the distant
ends loss of demodulator lock.
On entry, the current status of the remote carrier loss is displayed. Press an arrow key
to make the selection. Press [ENTER] to execute the change.
3-18
Specifications/usage
/N
target set point ranges from 3.2 to 16.0
b
0
target set point is displayed. Press an arrow key to
0
Revision 4
MN/SLM7650.IOM
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