ST 500 "Piranha" Operation Manual: Wired Receiver Channel
33
Fig.30
In fig.30:
1 - active detection channel
2 - electric mains selected
3 - signal level at the selected frequency
4 - frequency value at cursor position
5 - screen cursor
6 - pulse signals detected in the last measurement cycle (red)
7 - steady signals detected in the last measurement cycle (green)
8 - peak signal level at the given frequency over all cycles (maroon)
9 - lower zoom limit
10 - position of the selected band, as against maximum
11 - upper zoom limit
The graphics are periodically refreshed and show the signals received in the range selected for
viewing. The constant and pulse components of signals registered during the latest cycle, are
shown green and red, respectively.
Maximum signal levels, registered over the whole duration of monitoring the range, are
colored maroon.
For more detailed scrutiny of a given segment, use the keys and
to position the cursor at
a signal of interest, or at the center of the segment, and zoom in using the
key.
The viewed range is displayed in digital (fig.30, 9 and 11) and graphic (fig.30, 10)
representations. When the viewed range is changed, any previous data on peak signals (colored
maroon) will be discarded. Use
for zooming out.
Controls
Key
Action
setting the range (zoom)
cursor positioning
F2
activating the AUTOMATED mode
