11
SKY-SDR USER MANUAL Ver. 1.3.1 - 28-MAR-2017
OPERATION /GENERAL
BEFORE YOU BEGIN
•
Assure that your antenna is in good
working order and connected to the
radio.
•
Switch ON the power supply or
connect battery leads BEFORE
switching the radio on.
•
Check that the supply voltage is
within the specified working range
required for proper operation.
(+10.5 to +15.0 vdc).
•
Reduce the audio gain (turn gain
control
almost
fully
counter
clockwise).
•
Turn the radio ON and observe the
dial. The Aerial-51 logo should
appear for 3 or 4 seconds, and then
the radio switches to operate mode.
GENERAL INFORMATION
The SKY-SDR has only two primary
controls: the audio gain knob and the
VFO knob.
Audio Gain Knob:
This is a
mechanical control with only one
function
–
to control the audio output
level to the speaker or headphones.
Full
C
ounter
C
lock
W
ise (CCW) is the
lowest gain setting, full
C
lock
W
ise
(CW) is the maximum gain setting. The
position of this control does not affect
the audio output level on the LINE
IN/OUT jack.
VFO Knob:
The VFO knob is used for
multiple functions:
1.
Changing the operating frequency.
2.
Changing software menu values
when operating in Menu Mode.
3.
Changing the Receive Incremental
Tuning (RIT) frequency or Transmit
Incremental tuning (XIT) when
either of these functions is enabled.
Explanation of each of the VFO
function:
1.
Turning the VFO knob is the basic
means of changing the operating
frequency. Turning the knob in the
CW
direction
increases
the
frequency, and turning it in the CCW
direction decreases the frequency.
There are two modes of tuning
operation that may be selected by
the
software menu item #1
(Valcoder).
Either
“variable”
speed tuning (Smart Valcoder
Enabled) or
“fixed”
speed tuning
(Smart Valcoder Disabled) may be
selected. In variable speed tuning
mode, the rate of change of
frequencies varies with the speed of
which you turn the VFO knob.
2.
Most software menu items have
variable parameters that are
adjustable with the VFO knob. For
instance in RX mode you can vary
the level for the Noise Blanker or
the Noise Reduction, etc. For TX
you can vary the level of the speech
processor or the speed of the
automatic keyer in CW, etc.
Some menu items are simply
switched (toggled) between 2 or 3
