1.
Minimum Frequency:
Shows the minimum frequency of the display.
2.
Frequency Marker:
Tap anywhere in the top half of the three OLEDs to locate the blue frequency marker at any desired
frequency. To more precisely position the marker, rotate the HP Knob with the Zoom Tool set to horizontal scroll mode
(blue Zoom Tool icon). The marker can be used to identify a specific frequency and its received signal strength.
Press the HP Knob to display the “Assign Frequency To:” list. Assign the blue frequency marker’s current frequency to any
receiver channel.
3.
Marker MHz/dBm:
Displays the Frequency Marker’s current frequency and dBm value.
4.
Maximum Frequency:
Shows the maximum frequency of the display.
5.
Antenna Options:
Selects which antenna (Ant) signals are displayed.
a.
Ant A: Only antenna A (red line)
b.
Ant B: Only antenna B (white line)
c.
Ant A+B: Highest of Ant A and Ant B.
d.
Ant A,B: Both Ant A and Ant B.
6.
Tuning Band:
Sets the A20-Nexus’s Tuning Band and displays its trace across the first three screens. The Tuning Band
can also be set from the RF Menu.
A Tuning Band is a ‘brick wall’ frequency band from within which Nexus’s receiver channels must operate. RF signals
outside the selected tuning band are sharply attenuated to significantly reduce unwanted out-of-band RF interference. See
for further information
●
Tap the Tuning Band button. A popup appears to warn that audio will stop on all channels if the Tuning Band is
changed. Select Cancel to exit without disturbing audio or OK to display a list of the currently selected Country’s
Tuning Bands and their width in MHz. Country is set from the System menu.
Tuning Band List
A20-Nexus
User Guide
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