User`s guide

Closed-Loop Scanners 9
Agilent 5500 SPM User’s Guide 159
of the Z piezo is being measured, adjusting the Z Sensor Gain and Offset
should be done without a sample in place.
1 In the Servo window verify that the Z Range of the piezo is set to its
maximum value.
2 Choose Controls > Spectroscopy to open the Spectroscopy
window (Figure 109).
Figure 109 Spectroscopy window Main tab
3 In the Spectroscopy window:
a Maximize the Z piezo motion: in the rectangle below the Link
box, click and drag the left and right edges of the red bar to
completely fill the box.
b On the Advanced tab, verify that the Sensor As Topo box is
checked and the Aux1 Input is set to Topography.
4 Click the  button, then click the blue triangle to start a continuous
sweep of the Z piezo.