User Manual – Rev BE    AMETEK Programmable Power 
MX Series  171 
component.  The display can show up to 24 components at a time.  The triangle 
at the bottom of the display shows the currently selected component for which 
numeric data is shown on the left.  This data includes the harmonic number (DC 
through 50), the absolute or relative amplitude (depending on selected VIEW 
mode) and the phase angle with respect to the fundamental.  The knob can be 
used to scroll through the display horizontally.  The UP and DOWN cursor keys 
have no effect in this display mode. 
   
Figure 4-38: Scrolling through Bar Chart FFT Data 
 
Clockwise
INCREM ENT
DECREM ENT
Counter Clockwise
points to 
harmonic for 
which readout is 
shown on the 
left. Can be 
moved with 
knob.