Agilent Technologies 8564EC Service Manual page 335

IF Section
Automatic IF Adjustment
The references against which the Automatic IF Adjustment routine
aligns are:
• 10 MHz reference (A15)
• Linear scale fidelity, especially the 10 dB gain stage in A4 linear
amplifier block
• 15 dB reference attenuator (A5)
• Cal Oscillator output power (A4)
440 Chapter 9