Elecraft PX3 Owner's Manual User Manual

Page 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.