Specifications

Maxiva ULX Series
November 11, 2013
2‐33
888‐2628‐300 WARNING:Disconnectprimarypowerpriortoservicing.
Copyright©2013,HarrisBroadcast
STEP 10 Adjustcabinetphasing(inmulti‐cabinetsystems)toreducepowerintothe
cabinetcombinerrejectloads.Inter‐cabinetphasingisaccomplishedviathe
GUI(navigatetotheHome>Output>Phasescreen)toadjustthepreamplifier
modulephasingineachcabinetrelativetotheothercabinetstoreducepower
tocommonrejectloads.
STEP 11 Verifythatthetransmittermeterreadingsareclosetothefactorytestdata
meterreadings,especiallyallofthePAcurrentandvoltagereadings.
Note
Rebias of the FETs in the PA modules is not required in ULX transmitters. They have been pretested at the
factory to minimize drift.
STEP 12 Verifypoweroutput(cabinetandsystemlevel)onGUIcorrespondswiththe
externalpowermeter.Ifthereisadiscrepancy,performthepowercalibration
procedures
"5.9AnalogPowerCalibrations"onpage5‐12or"5.10Digital
PowerCalibrations"onpage5‐21inthismanual.
STEP 13 Endofprocedure.
2.18 CustomerI/OBoard
ThecustomerI/Oboardislocatedatthetopofthemaincabinet.Table2‐17showstheboardandalsoliststhe
connectornamesandnumbers.
2.18.1 ParallelRemoteControlConnections
Onceproperoperationofthetransmitterhasbeenestablished,remotecontrolconnectionscanbemade.The
followingtableslisttheconnectorsandtheircorrespondingsignalnamesandfunctions.
Note
The Customer I/O board connections can be found at the top of the transmitter near the front. See Figure
2-17 for connector locations.
Figure 2-17 Parallel Remote Control Connections
Control 1-J3
Control 3-J5
Status 1-J6
Control 2-J4
Status 2-J7
Status 3-J8
Meters 1-J9
RF Switch
J10