SGC SG-2020 TEST DOCUMENT Test Manual page 11

13.6 Set RF generator output level to 50 µV and observe that at least 3 LED's
from the left of the bargraph display lights. Accurate calibration is
not supported.
14.0 NOISE BLANKER TEST
14.1 Set radio for 14150.0 KHz, USB, BW to 2.7KHz.
14.2 Turn on speaker and set volume for mid range.
14.3 Inject 14151.0 KHz, 30 µV signal at antenna, and monitor audio on the
speaker and oscilloscope connected at the speaker output.
14.4 Loosen shield on antenna coax connector and turn on the Noise
Generator.
14.5 Listen to noise in speaker while toggling ON/OFF the 'NB' button.
There should be a noticeable difference in the audio quality.
14.6 Monitor the difference of signals on the oscilloscope while toggling the
'NB' button. The noise spikes should be diminished without attenuating
the main signal.
15.0 REINSERTING THE RADIO INTO CASE
15.1 To reinsert, push gently down on the speaker rim and push the chassis
into the case slowly. Secure radio to case with two screws and flip-foot
with one screw.
SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA
P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331
E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com
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© 2001 SGC Inc