Agilent Technologies 8560E User Manual page 706

If You Have a Problem
Error Messages
RBW>CHBW The resolution bandwidth is too wide,
ERR 920
compared to the channel bandwidth, to obtain a valid
channel power bandwidth measurement. The
resolution bandwidth should be much less than the
channel bandwidth (<0.1×channel BW).
↑AMPCOR↑ Measurement data which would normally be
ERR 921
displayed above the top graticule, and therefore has
unspecified accuracy, has been corrected by ampcor the
amplitude correction function (ampcor) to appear
between the top and bottom graticule.
↓AMPCOR↓ Measurement data which would normally be
ERR 922
displayed below the bottom graticule, and therefore has
unspecified accuracy, has been corrected by ampcor the
amplitude correction function (ampcor) to appear
between the top and bottom graticule.
706 Chapter 9