SG-2000 PowerTalk™ with ADSP2 Head Manual Addendum
SGC, Inc. 13737 SE 26th Street Bellevue, WA 98005 USA
Ph: 425-746-6310 Fx: 425-746-6384 Email: sgc@sgcworld.com
www.sgcworld.com
0
SG-2000 ADSP2
Addendum
SG-2000 PowerTalk™ with ADSP2 Head Manual Addendum
SGC, Inc. 13737 SE 26th Street Bellevue, WA 98005 USA
Ph: 425-746-6310 Fx: 425-746-6384 Email: sgc@sgcworld.com
www.sgcworld.com
1
SG-2000 ADSP2
Your SG-2000 ADSP2 comes with the very latest in Digital Signal Processing technology. The
radio is suitable for many professional and amateur applications. It features high stability, remote
head operation, DSP processing on receive, and much more.
1.1.1 ADSP2 Specifications
Absolute Output Delay
6.5 ms
ADSP Noise Reduction
13 or 26 dB
Bandpass Filters
100, 500, and 1800 Hz
Out of Band Rejection
-45 dB
Single Tone Rejection
>50 dB
SG-2000 PowerTalk™ with ADSP2 Head Manual Addendum
SGC, Inc. 13737 SE 26th Street Bellevue, WA 98005 USA
Ph: 425-746-6310 Fx: 425-746-6384 Email: sgc@sgcworld.com
www.sgcworld.com
2
Noise LEDs
Two green LEDs on either side of the Noise button
on the upper left of the Front Panel. The left LED
indicates that 13 dB noise reduction is engaged. The
right LED indicates that 26 dB noise reduction is
engaged. If both LEDs are out, it indicates that no
noise reduction is engaged.
Filter LEDs
Two green LEDs on either side of the Filters button
on the upper left of the Front Panel. The left LED
indicates that the Wide CW Filter (500 Hz) is
engaged. The right LED indicates that the Narrow
CW Filter (100 Hz) is engaged. If both LEDs are lit, it
means that the Voice Filter (1800 Hz is engaged and
if both LEDs are out, it means that no filter is
engaged.
Noise LEDs
Filter LEDs
SG-2000 PowerTalk™ with ADSP2 Head Manual Addendum
SGC, Inc. 13737 SE 26th Street Bellevue, WA 98005 USA
Ph: 425-746-6310 Fx: 425-746-6384 Email: sgc@sgcworld.com
www.sgcworld.com
3
Fine Adj
A fine adjustment on the audio level into the DSP.
Noise
The Noise button steps through 3 noise reduction levels. Two
lights on either side of the button indicate the current noise
reduction level. On power up, the noise reduction level is set at
zero and neither light is lit. A single press of the button activates
13 dB noise reduction. The left light is lit to show that 13 dB is
engaged. A second press of the button activates 26 dB noise
reduction and the right side light is lit to indicate 26 dB is
engaged. A third press of the button returns you to zero noise
reduction and both lights are out.
Select Noise Reduction
Filter (Noise)
Filter Selection
(Filters)
Fine
Adjustment
SG-2000 PowerTalk™ with ADSP2 Head Manual Addendum
SGC, Inc. 13737 SE 26th Street Bellevue, WA 98005 USA
Ph: 425-746-6310 Fx: 425-746-6384 Email: sgc@sgcworld.com
www.sgcworld.com
4
Filters
The filter inserts a series of tighter and tighter filters into the
signal path to help you eliminate interfering noise while
listening. The appropriate filter is determined by the signal you
want to receive. There are four filter steps you can use:
No filter
Voice Filter
Wide CW Filter
Narrow CW Filter
Each filter is suitable for a different use. No filter is the normal
setting and the two lights around the button are out in this
mode. When noise is bad, you can sacrifice some voice quality
by using the VOICE filter by pressing the button once. This
lights both lights on either side of the button and inserts an 1800
Hz filter into the audio path.
Pressing the button a second time engages the WIDE CW filter
and turns on only the left light. This filter is not suitable for
voice operation, but is useful for eliminating interference on CW
or for narrow band digital operations.
A third press of the button engages the 100 Hz NARROW CW
filter. This is a VERY tight filter suitable only for CW and very
narrow band digital operations such as PSK31. You may need to
adjust the receive frequency to be able to hear the signal.
A fourth press of the button, returns to the NO FILTER
condition and both lights are off.
SG-2000 PowerTalk™ with ADSP2 Head Manual Addendum
SGC, Inc. 13737 SE 26th Street Bellevue, WA 98005 USA
Ph: 425-746-6310 Fx: 425-746-6384 Email: sgc@sgcworld.com
www.sgcworld.com
5
Start
Pressing the START button engages the Alarm Generator, but
does not start it. You must manually confirm that you wish an
automatic alarm by pressing the CONFIRM button.
Confirm (CF)
Pressing this button has no effect except immediately after
pressing the START button. It is used to confirm that you do in
fact want to issue an automated distress alarm.
Stop/2182
The STOP button is used to stop an automated alarm in
progress. If no alarm is in progress, it will select 2182 kHz as the
operating frequency of the SG-2000.
Stop Alarm
Generator
(Stop/2182)
Confirm Alarm
Generation (CF)
Start Alarm
Generation (Start)
SG-2000 PowerTalk™ with ADSP2 Head Manual Addendum
SGC, Inc. 13737 SE 26th Street Bellevue, WA 98005 USA
Ph: 425-746-6310 Fx: 425-746-6384 Email: sgc@sgcworld.com
www.sgcworld.com
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