Specifications
Maxiva UAX
October 17, 2013
3‐27
888‐2693‐004 WARNING:Disconnectprimarypower priortoservicing.
Copyright©2013,HarrisBroadcast
Note
Calibration can abort automatically if a fault condition is detected during the calibration process. If this
occurs, an error message will be displayed to the user. Calibration error conditions are outlined in
Table
3-18.
SystemCali
brationisdiscussedindepthinSection5.4,DigitalPowerCalibrations,onpage5‐8.Refertothatsection
forth
ecompletesystempowercalibrationprocedure.
3.6.5 StoredCalibrationScreen
RefertotheStoredCalibrationscreeninFigure3‐27.TheUAXLPUiscapableofstoringeightsetsofpower
calibrationstoallowtheusertosavecali
brationsetsforuptoeightdifferentfrequencies.
Figure 3-27 UAX LPU Stored Calibration Screen
TheStor
edCalibrationscreendisplaysthecalibrationtable.This tableassociateseachstoredcalibrationsetwitha
frequency.Whenauserbeginscalibration,ifthecurrentfrequencysettingisalreadyinthetable,thatcalibrationset
listedinthetableforthatfrequencywillbeoverwritten.
Ifther
eisnocalibrationsetinthetableforthecurrentfrequency,anadditionalcalibrationsetwillbesavedwiththe
newfrequencyinthenextavailablelocationinthetable.Iftherearealreadyeightsetsofcalibrationdatastored,
andtheuserattemptstobegincalibrationwithanewfr
equency,calibrationwillnotbealloweduntiltheuser
deletesoneofthestoredsetsofcalibration.Whenthisoccurs,uponattemptingtobegincalibrationtheuserwillbe
notifiedthattheCalibrationTableisfullanddirectedtotheStoredCalibrationScreentoallowtheusertoviewthe
cu
rrentstoredcalibrationsets,anddeleteasetoftheirchoosing.
Table3‐18CalibrationFaults
Fault Explanation
PAFaultDetected
ThereisaPAfaultthatiscurrentlylimitingthemaximumavailableoutputpowerofthe
transmitter.Thefaultconditionmustbeclearedbef or ecalibrationcancontinue.
InvalidDetectorValues:
ThelowandhighpointADCvaluessavedareinvalid.TheADCvaluesareconsideredvalidifthe
followingchec
ksaremet:
‐BothLowandHighpointADCvaluesarebetween0x000to0xFFF
‐HighpointADCvalue>LowPointADCvalue
‐HighpointADCvalue–LowPointADCvalue>=50
UDCRFOutputLevel
Fault
TheUDCRFOutputpowerlevelisatorabovetheUDCOutputPowerLimitsetting.Thefault
conditionmustbecleare dbeforecalibrationcancontinue.
TransmitterOFF ThetransmittermustbeturnedONbeforecalibrationcancontinue.