24–40 GHz SPECTRUM COMPACT v.2 (FW V5.3.3)
OPERATION
9
which numbers can be entered at the current digit position to obtain a valid parameter
value – the numbers on the
green
buttons can be entered, the numbers on the
red
buttons cannot be entered. If the currently entered value is valid, it is displayed in
green
(and OK button is
green
). If the value is not valid, it is displayed in
red
(and OK
button is
red
). To confirm a valid value, tap the OK button or tap the selected
parameter.
The frequency value can be entered with precision 0.1 MHz (100 kHz) by using the
“.” on keypad. To input a value with a decimal digit, first enter the full MHz’s, then tap
the “.” button. Until the value is confirmed, the digit after the point is displayed larger.
If there are no digit displayed after the point, it means that it is zero.
To exit the FREQ menu and return to the main screen, tap BACK.
2.4
SPAN
The SPAN menu allows selecting the range of the horizontal axis (difference
between START and STOP frequencies) i.e. span, in megahertz (MHz).
While at the SPAN menu, tapping the right part of the graph decreases SPAN
(zooms in) and tapping the left part of the graph increases SPAN (zooms out).
Sliding the graph to the right or to the left modifies START and STOP
frequencies by equal amounts.
Entering the FREQ menu
The FREQ menu