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User’s Manual
Rev 1.2.6 October 3
rd
, 2015
- 10 -
© Melchor Varela – EA4FRB 2011-2015
Note: the span range will be adjusted automatically if the resultant upper or lower
frequency entry causes it to fall outside operational limits.
4.5 Changing the Span
There are two methods of editing the Span:
(i) Use Navigator A to highlight «Span» in the main menu on the left side of the display. Press
the Select [
■
] button to display the popup dialog associated with «Span». Then use Navigator B
to change the span. The span will change according to the current span frequency multiplier that
is highlighted in reverse video. Use Navigator A to change the span frequency multiplier position
if needed. Press the Select [
■
] button to validate the span selection. Press any other button to
cancel the operation.
The screenshot below is of the span edit dialog, showing the span frequency multiplier
positioned over digit 7 (frequency increments of 1 MHz).
(ii) Use Navigator A to highlight «Span» in the main menu on the left side of the display. Then
use Navigator B to change the span. The span will change according to the current span
frequency multiplier. The span frequency multiplier can be changed from the popup dialog, see
(i) above.
4.6 Frequency Presets
The analyzer provides predetermined frequency and span settings including the amateur radio
bands and other suitable settings. Use Navigator A to highlight «Preset» in the main menu.
Press the Select [
■
] button to activate the Preset popup submenu. Use Navigator B to highlight
the desired preset. Press the Select [
■
] button to validate the preset selection. Press any other
button to cancel the operation.
See in the screenshot below the available presets:
