MAC 201 User Manual page 16

Av-cofdm standalone modulator
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NoTE
IfJyouJkeepJpressingJtheJcontrolJbuttonJdownJyouJwillJaccessJtheJinformationJandJ
configurationJofJtheJfollowingJinputJsignals.
Configuration of the output signal
NoTE
ToJintroduceJaJsequenceJofJdigitsJinJtheJdisplayJmoveJtheJcontrolJbuttonJverti-
callyJtoJchangeJtheJvalueJofJtheJcurrentJdigitJandJhorizontallyJtoJmoveJbetweenJ
digits.
NoTE
PositionJtheJcursorJtoJtheJrightJofJtheJcurrentJvalueJandJmoveJtheJcontrolJbuttonJ
verticallyJtoJincreaseJorJdecreaseJtheJcurrentJvalue.JHoldJtheJcontrolJbuttonJupJorJ
downJtoJincreaseJorJdecreaseJtheJcurrentJvalueJmoreJquickly.
3)
LocateJandJselectJtheJoptionJOUTPUT.
a)J LocateJandJselectJtheJoptionJFREqUEN-
Cy. ConfigureJtheJoutputJfrequencyJvalueJ
betweenJ45 mHz andJ865 mHz.
b)J LocateJandJselectJtheJoptionJATTENU-
ATION. SelectJtheJoutputJattenuationJ
between 0 and 47 dB.
c)J LocateJandJselectJtheJoptionJOFDm
mODE. SelectJtheJOFDMJmodeJbetweenJ
2k and 8k subcarriers.
d)J LocateJandJselectJtheJoptionJBAND-
wIDTH. SelectJtheJbandwidthJbetweenJ6,
7 and 8 mHz.
e)J LocateJandJselectJtheJoptionJGUARD
INTERvAL. SelectJtheJguardJintervalJbe-
tweenJ1/32, 1/16, 1/8 and 1/4 ofJsymbol.
f)JJ
LocateJandJselectJtheJoptionJCONSTEL-
LATION. SelectJtheJmodulationJconstella-
tionJbetween 16qAm and 64qAm.
Unit installation and
configuration/Setting the signals
en
43

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