TUNE
Toggles between RX mode and TUNE mode. In tune a low power carrier is
transmitted to facilitate ATU matching. An LED indicator lights for TUNE.
PS ON
Turns on or off the Puresignal TX linearization algorithm. An LED indicator is lit if
Puresignal is enabled.
TWO TONE Initiates a "two tone" TX test to allow Puresignal to optimise linearity.
2.3.2 Softkey buttons
F1‐F8 operate the 8 "softkey" menu buttons at the bottom of the ANDROMEDA display. These could
be reconfigured to other functions if you prefer to use the touchscreen softkey buttons.
2.3.3 Band Buttons
The group of buttons above the VFO tuning knob can be used as "band select" buttons when "SHIFT"
is selected. Shift is activated by pressing the SHIFT button, and an indicator lights. To select a new
band, simply press its button when SHIFT is lit.
These buttons also have other functions when SHIFT is not lit:
Mode
Opens the "mode dependent settings" form for quick access to settings important
Settings
for the current operating mode.
RX2
Turns on/off the second receiver channel.
Mode +
Selects the next higher operating mode. Press and hold for more than 2 seconds to
open the "mode select" form.
Mode ‐
Selects the next lower operating mode. Press and hold for more than 2 seconds to
open the "mode select" form.
Filter +
Selects the next higher variable bandwidth filter. Press and hold for more than 2
seconds to open the "filter select" form.
Filter ‐
Selects the next lower variable bandwidth filter. Press and hold for more than 2
seconds to open the "filter select" form.
A>B
Copies the settings from VFO A to VFO B
B>A
Copies the settings from VFO B to VFO A
SPLIT
Toggles split frequency operation on/off. When split frequency is active the radio
will transmit on one VFO frequency and receiver on the other. The TX VFO has a red
"TX" symbol.
User 1
Available for user re‐assignment
User 2
Available for user re‐assignment
User 3
Available for user re‐assignment
2.3.4 VFO Buttons
RIT/XIT
Toggles between RIT on, XIT on, or no independent tune enabled. Indicators light if
RIT or XIT are selected
A/B
Selects whether the VFO tuning knob and other front panel functions operate VFO
A / RX1 or VFO B / RX2. An indicator is lit if VFO A is selected.
LOCK
Selects the VFO "lock" mode. When selected the VFO will not be tuned for example
by the tuning knob. An indicator is lit if lock is selected.
CTUNE
Selects the "click tune" mode. In this mode the spectrum display centre frequency is
unaffected by tuning action and instead the VFO frequency is scrolled left or right
within the display. This may be useful if you are keeping a watch on certain
frequencies in the spectrum displays. Indicator lit if Click Tune selected.
ANDROMEDA Manual
Page 14 of 56
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