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SunSDR2 DX User Manual
© 2020 Expert Electronics
TRANSCEIVER OPERATIONS
cursor color will change to match the controlled receiver - color of the mouse cursor also
match the receiver's tuning line.
·
Use both the Quick tuning by the mouse click
and Fine tuning modes. Click on the
station and perform a fine tuning with the wheel if you slightly missed.
·
Dragging the RX filter over the spectrum scope.
Press and hold the left mouse button on the filter, then drag it left/right to the required
position.
·
Moving the spectrum, the RX filter stands still.
Press and hold the right mouse button anywhere on the spectrum, then move the spectrum,
the filter will not change its position relatively to the spectrum. Tuning is carried out with the
current STEP value.
·
Moving the spectrum, the RX filter moves along.
Press and hold the right mouse button anywhere on the filter and move it left/right.
Note:
·
Basically, this is not a way of tuning. It allows observing the air outside the panorama window,
not changing the tuning frequency.
·
Сlick on the digit of the frequency indicator.
Left button – increase value; right button – decrease value; wheel – all digits on the right
become zero.
·
Rotate mouse wheel on the digit of the frequency indicator.
Rotate forward – increase value; rotate backward – decrease the value.
·
Synchronous tuning by the click on the bandscope.
Hover the mouse cursor on the required place on the bandscope and click left mouse button –
RX filter will move to the required location on both bandscope and panorama.
7.4 Antenna switch
Antenna switch operation:
The SunSDR2 DX has the antenna switch, for each frequency band, antenna switch saves its
own antenna input and output.
When two software receivers are active (RX1 and RX2), antenna input is the same for both
receivers (because device have one ADC), but the transceiver's antenna output may differ if
software receivers work on different frequency bands.
How antenna switch works with the RX ONLY function:
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