Promax PROLINK-4C, Manual

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USER’S MANUAL. PROLINK-4C
Page 80 02/2003
4.10.1.3 Reference Level
The reference level corresponds to the level marked by the top horizontal line
appearing on the Spectrum Analyser mode screen. This function enables the reference
level to be defined between 70 and 130 dBµV in 10 dB steps. The default reference
level is 70 dBµV.
To alter the value of the reference level select the Spectrum Analyser mode
functions menu, turn the rotary selector [4] to select the Reference level function and
press it. The screen will show a window with the values which can be selected. Turn the
rotary selector [4] to the desired reference level and activate it by pressing the selector
again.
4.10.1.4 Dual Marker/Single Marker
(Only for level measurements) This function enables two tuning markers (Dual
marker) to be seen on the spectrum display. When you choose this option you can
select the active marker (Marker A or Marker B) or return to using only one marker
(Single marker).
Figure 41.- Spectrum Analyser mode with two tuning markers.
When you select the Dual marker function, the bottom of the screen displays
the frequency of each of the two markers, the signal level for each frequency and, on
the far right, the frequency difference and the level between them.
4.10.1.5 Sweep
It offers the possibility of selecting the Spectrum mode sweep rate: High
Resolution (slow sweep, high precision), Fast (fast sweep, low precision) and Antenna
Alignment (for faster sweep antenna alignment without numeric representation).