HP 8447A Operating And Service Manual page 9

Page 4-2, Paragraph 4-6:
At the top of page 4-2, change the specification for the Gain from 20 dB +-0.5 dB to
20 dB +-0.1 dB.
Page 4-3, Paragraph 4-6:
Page 4-11/4-12, Table 4-1:
In step 4, paragraph 4-6, change the tolerance for recording the data from:
+19.5._+20.5 dB
to:
+19.0_+21.0 dB
5