IBM 7220 Car Amplifier User Manual


 
5-23
Chapter 5, FRONT PANEL OPERATION
Slope
The roll-off of the output filters is set, using this control, to any value from 6 dB to
24 dB/octave, in 6 dB steps. Note this control does not affect the roll-off of outputs at
the FAST X and FAST Y connectors which are fixed at 6 dB/octave.
Figure 5-20, Output Filter Slope Control
Oscillator Frequency
The frequency of the instrument’s internal oscillator may be set, using this control, to
any value between 1 mHz and 120 kHz with a 1 mHz resolution. Adjustment is faster
if use is made of the Active Cursor control - see section 4.1.04
Figure 5-21, Internal Oscillator Frequency Control