Nautel NX25, Operation And Maintenance Manual

Page: 53 / 162

NX300 Operations and Maintenance Manual Operating the transmitter
Issue 3.0 2012-11-01 Page 2-35
Figure 2.21: AM-PM Correction
AM-PM correction.
This panel displays the phase correction being applied to the RF drive signal.
The x-axis represents the signal amplitude and the y-axis represents the phase shift correction applied
for a given amplitude value.
Touch on the panel to display a cursor in the approximate area. The cursor position (LUT index and
phase) is noted in the upper, right-hand corner of the panel. Touch in other areas of the tool menu
panel to provide a coarse adjustment of the cursor position.
Use the left and right buttons to make fine adjustments.
Use the up or down button to maximize (if it was minimized) or minimize (if it was maximized) the
panel size.