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6. Information on the model number, rmware revision, and installed options will be displayed.
he graticule may also be displayed, depending on the analyzer's power-down state.
Press
(see the cautions on pages 4-1 and 4-2). he display should show a transmission
PRESET
5
trace (a
at line at 0 dB). If it does not, ensure the cable connecting the RF OU port to the RF
IN port is good and securely connected.
If the analyzer will not switch on, check the AC line power. Make sure that the line voltage
selector (below AC power plug) is set correctly. Check the fuse.
If the analyzer does not go through the steps above, if any error messages appear, or if the
problem persists, refer to the section titled \Category 1 Failures."
Note
If any error is generated during the power-up sequence, the analyzer will halt
after displaying the error message. At this point, if you press any key on the
analyzer, it will attempt to resume operation. However,
operation may result
only as a troubleshooting aid.
Operator's Check
Perform the Operator's Check procedure in the \Performance ests" chapter of this guide. It is
a simple test of the analyzer's measurement capability. If the test passes and peripherals are
not involved, duplicate the operating conditions under which the system failed and refer to the
appropriate section in this chapter if the problem reoccurs.
4-6
T roubleshoot ng and Block D agrams
. he option of ignoring the error message is provided
erroneous or unstable
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