4
USB Dial Settings Screen
1
Select Device
Select the RC-28 to operate the receiver with, through
the HDSDR software.
2
Dial Sensitivity
(Default: 3)
Adjust the dial sensitivity to one of 5 levels.
When a low level is set, the dial speed is reduced for
finer tuning control.
When a high level is set, the dial speed increases.
3
Auto TS
(Default: ON (High))
When you rotate the dial rapidly, the tuning speed may
accelerate, depending on this setting.
OFF:
Normal tuning steps, even during rapid
rotation.
ON (Low):
Approximately two times faster.
ON (High):
When the tuning step is set to 1 kHz
or smaller steps, the tuning speed is
approximately five times faster.
When the tuning step is set to larger than
1 kHz, the tuning speed is approximately
two times faster.
4
<OK>
Click to save the settings and close the screen.
1
2
3
4
Using the RC-28
If you connect an optional RC-28
remote
encoder
to the PC, you can use HDSDR and feel like you are
operating the actual receiver’s main dial.
1. Connect the RC-28 to the PC that has HDSDR
installed.
NOTE: DO NOT
connect the RC-28 to the PC with
other than the supplied USB cable or through any
USB hub. The RC-28 may not work properly.
L
When you connect the RC-28 to the PC for the first
time, wait until “Device driver software installed
successfully.” is displayed.
PC
RC-28
USB cable (supplied)
to a [USB] port
1
2
2. Start up HDSDR.
• The [LINK] indicator on the RC-28 lights green.
[LINK] indicator
3. Now you can control the assigned functions of
HDSDR using the RC-28.
NOTE:
If the [LINK] indicator does not light, check
Select
Device
in the USB Dial Settings screen is set to the
RC-28’s serial number. (Example: RC-28 02XXXXX)
L
[TRANSMIT] is disabled when the
HDSDR software connects to the
receiver.
Main dial
Rotate to change the frequency.
• When [F-1] LED does not light, the Tune
frequency is changed.
• When [F-1] LED lights, the LO frequency is
changed.
[F-2]
Push to turn the TS function ON or OFF.
• When the LED lights, the TS function is ON.
[F-1]
Push to toggle between LO frequency (the
LED lights) and Tune frequency that is
changed by rotating [Main dial].
