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P300H P300 Series Modem Installation and Operating Handbook Page 75
Set AUPC power on carrier lost: [Nominal]
1=Freeze 2=Nominal 3=Maximum
Change, Tx, Modulator, AUPC, Comms lost action Menu
This sets a `tolerance window` on the monitored Eb/No. The AUPC will only attempt to restore the
monitored Eb/No to the target Eb/No when the monitored Eb/No moves outside the tolerance window. This
It is to prevent the AUPC continuously adjusting the power to compensate for minor normal Eb/No
variations.
When the monitored Eb/No moves outside the tolerance window the AUPC will attempt to restore it back
to the target value (ie not just back inside the tolerance window again).
6.6.24 Change, Tx, Modulator, AUPC, CARRIER LOST ACTION Menu
This screen sets what action the AUPC It is to take locally if it looses communications with the distant
modem (ie presumably there It is a significant fade and the distant demod has lost lock).
FREEZE The carrier power It is frozen at its current value.
NOMINAL The AUPC delta power It is reset to zero so the carrier returns to its nominal
power.
MAXIMUM The AUPC delta power increases to the maximum power limit as set on the
AUPC Max positive delta power screen.