Elecraft PX3 Owner's Manual - Manual (Page 8)

8
 Tap
S P AN to set the frequency span of the display. The start and stop frequencies are
displayed at the top (left and right edge respectively) of the spectrum window (Page 13).
 Hold
C E N T E R and turn the
SELECT knob set the center frequency of the display
(Page 13). This function may be disabled by selecting MENU:CenterEn and tapping the
SELECT knob pushbutton to toggle between CENTER Key ON and CENTER Key OFF .
 Tap
R E F to set the amplitude reference level of both the spectrum and waterfall
displays. The reference level is the signal level corresponding to the bottom of the
spectrum display (Page 13).
 Hold
S C AL E to set the scale, or signal amplitude range, of both the spectrum and
waterfall displays. For example, Scale (dB): 60 means that the bottom of the display is 60
dB below the top (Page 13).
 Hold
AV E R AG E to turn on display averaging and allow adjustment of the averaging
time by turning the SELECT knob (Page 13).
Figure 2. Basic KX3-PX3 Cabling.