Using the Radiophone
4-20 Outback HF Radiophone
Changing the operating mode (USB - LSB)
Your Radiophone has the facility to operate in either Upper Side Band (USB) or
Lower Side Band (LSB) mode. When receiving broadcast stations such as the BBC or
Radio Australia, changing between USB and LSB may reduce interference.
Unless otherwise advised, your Radiophone is normally programmed to operate in the
USB mode.
Operation of the USB/LSB button applies when the Radiophone is in the Receiver
tuning mode, refer to page 4-15.
Step Action… Display shows… Remarks…
1.
Press the mode
button to switch
between USB or
LSB.
USB
LSB
In the USB mode the
display shows
In the LSB mode the
display shows
This is just an example to
show that the display
indicates LSb when in
the lower side band
mode.
q
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