User`s guide
AC Modes 6
Agilent 5500 SPM User’s Guide 105
5
Choose Controls > AC Mode to open the ACAFM Controls
window (Figure 72).
Figure 72 ACAFM Controls window
6 Set the Drive Mechanism to AAC.
7 Set the Drive% to 10 %. This is the amplitude of the AC drive
signal, stated as a percentage (0-100 %) of the maximum available
10 V.
8 In the Servo window set the Setpoint to 0 (the Setpoint must be zero
in order to perform an Auto Tune with the HEB as the AC source).
9 Choose Controls > AC Mode Tune to openthe AC Mode Tune
(Figure 73) and AC Tune windows (Figure 74).