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Text on Display Description / Cause / Notes
Relays To Terr To Sat Other
P300H P300 Series Installation and Operating Handbook Page 220
Tx Warn: RS Encoder FIFO slip The FIFO which interfaces the Framer to the Reed-Solomon encoder has slipped (full or empty).
This should never occur in operation (contact factory).
Tx Warn: Turbo encoder status This is a warning used in the engineering debugging process it should not occur in the field. If it
does, please consult the factory.
Tx Warn: Carrier muted as Ref settles This is displayed for 30 seconds from a cold start as the Tx carrier is muted while the frequency D
reference temperature stabilises. If a power outage is less than 30 seconds, then the mute is for the
same period as the power outage.
Tx Warn: BUC Mute as Ref settles <2Min The Modem is configured to operate with a Paradise BUC and to supply a 10MHz reference `up the D
coax`. From a cold start the modem will switch of the BUC Tx output for 2 minutes until the internal
reference has settled to avoid bringing up carriers off frequency. After 2 minutes the BUC On/Off
status is returned to it’s previous setting. If a power outage is less than 2 minutes, then the mute if
for the same period as the power outage. This is different to the Tx Carrier mute above as it mutes
the BUC itself and will therefor mute any number of carriers transmitted through a single BUC.
Tx Warn: BUC Power exceeds P1dB point The Modem is configured to operate with a Paradise BUC and communicate by FSK. The modem D
has read the measured power at the BUC output and it exceeds its P1dB point of this BUC. This
means the BUC is approaching or is into compression, and as such may be degrading the
transmitted spectrum. Either back off the power or monitor the Tx spectrum very carefully.
Tx Warn: Cannot hold power set at BUC The Modem is configured to operate with a Paradise BUC, communicate with the BUC by FSK, and D
the Modem / BUC are set in `Terminal` mode where the modem maintains the power at the BUC
flange by adjusting both the Tx Carrier Level and where available the BUC attenuator. Currently both
of these adjustments are at an end stop, and the modem cannot adjust the levels any further in order
to try and maintain the set flange power.