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Maxiva UAX

October 17, 2013

5‐3

888‐2693‐004 WARNING:Disconnectprimarypower priortoservicing.

Caution

ALWAYS MONITOR REFLECTED POWER AS TRANSMITTER OUTPUT

POWER IS INCREASED. HIGH LEVELS OF REFLECTED POWER INDICATE A

PROBLEM IN THE OUTPUT COMBINING SYSTEM, FILTER, LOAD, ANTENNA,

OR TRANSMISSION LINE.

STEP 10 Slowlyraisethetransmitterpoweruntilthedesiredpowerreadingis

observedoncalibratedpowermeterconnectedtodirectionalcouplerat

transmitteroutput(oratthefrontpanelonsomemodels).

STEP 11 Usetestequipmenttoconfirmsignalqualityandreferto"3.8.2RTACStatus

Screens1&2"onpage3‐76toco

nfirmRTAClevels.

STEP 12 GotoLPULCDHomescreenandreactivateadaptiveprecorrection.When

systemisstableverifysystemperformance.

STEP 13 Performafunctionalchecktoverifytransmitterisworkingcorrectly.

STEP 14 Proce dur ecomplete.

5.3.1.1 StoredCalibrationSet s

ChangingfrequencyrequirescalibrationoftheUAXmetering.TheUAXLPUiscapableofstoringeightsetsofpower

calibrationvaluestoallowtheusertooperateateightdifferentfrequencies.

Thewe

bbrowsercanbeusedtonavigatetotheEXCITERHOME>XMTRHOME>CONFIG>CAL>STOREDCAL>

STOREDCALIBRATIONscreentodisplaythecalibrationtable.TheLPULCDscreencanalsobeusedtoviewand

deletestoredcalibrationsets(S ETUP >XMTRPOWERSETTINGS>ST

OREDCAL).

Figure 5-1 Stored Calibration screen

TheStor

edCalibrationscreendisplaysthecalibrationtable.This tableassociateseachstoredcalibrationsetwitha

frequency.Whenauserbeginscalibration,ifthecurrentfrequencysettingisalreadyinthetable,thatcalibrationset

inthetableforthatfrequencywillbeoverwritten.

Ifther

eisnocalibrationsetinthetableforthecurrentfrequency,anadditionalcalibrationsetwillbesavedwiththe

newfrequencyinthenextavailablelocationinthetable.Iftherearealreadyeightsetsofcalibrationdatastored,

andtheuserattemptstobegincalibrationwithanewfr

equency,calibrationwillnotbealloweduntiltheuser

deletesoneofthecurrentstoredsetsofcalibration.Whenthisoccurs,uponattemptingtobegincalibration,the

userwillbenotifiedthatthecalibrationtableisfullanddirectedtotheStoredCalibrationscreentoallowtheuserto

viewthecu

rrentstoredcalibrationsetsanddeleteasetoftheirchoosing.

Inno

rmaloperation,theLPUwillautomaticallyusethecalibrationsetthatmatchesthecurrentfrequencysetting.If

thereisnostoredsetofforwardorreflectedpowercalibrationdataforthecurrentfrequencysetting,afaultwillbe

logged,causingtheLPU tomute.

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Sharp SD-AT1000W Spezifikationen Seite 183