Agilent Technologies 4352B, Service Manual

Page: 190 / 293

A5 CONTROL MENU
Figure 9-11 shows the A5 Control Menu hierarchy . T o display the A5 control menu, press
4 System 5 ,
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SERVICE MENU ,
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SERVICE MODES , and
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A5 . Each softkey of the A5 control menus is
described below .
Figure 9-11. A5 Control Menu
W WWWWWWWWWWWWWWWWWWWWWWWWWWWWW
2nd PLL
Displays the 2nd PLL menus . Each softkey of the 2nd PLL menus is described below .
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2nd PLL:
sets the 2nd PLL to single loop mode or double loop
mode .
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PLL BW: sets the 2nd PLL bandwidth to narrow mode or wide
mode .
N NNNNNNNNNNNNNNNNNNNNNNNNN
PLL REF: assign the xed signal or 1st IF signal as the reference
signals of 2nd PLL.
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PLL OFST on OFF
sets the 2nd PLL osets lock mode to on and o.
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UNLK MASK on OFF
sets the 2nd PLL unlock indicator to on and o.
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2nd PLL FREQUENCY
shows the output frequency setting of 2nd PLL (2nd PLL
FREQUENCY = 500 kHz x 2nd PLL Divider V alue).
N NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
2nd PLL DIVIDER
sets the 2nd PLL divider (32 through 64).
Service K ey Menus 9-25