SGC SG-2020 TEST DOCUMENT, Installation And Operation Manual

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© 1998 SGC Inc
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
7.6 COMMERCIAL USE
The SG-2020 is a practical radio for commercial applications,
because it can be programmed with only a few necessary channels
and then locked. The casual or unfamiliar operator can access only
these channels through the main tuning knob. Scanning can be eas-
ily accessed allowing perfect channel monitoring of only the chan-
nels in use. If only 3 frequencies are required for a normal net-
work; we recommend entering the first operating frequency in the
first 8 memory channels 1 thru 8, then the second operating fre-
quency in memory channels 9 thru 13, then the third frequency in
memory channels 14 thru 20 and locking the unit. Now when; the
operator depresses the MEM push button and rotates the main tun-
ing knob then only the 3 preset channels will be accessible.
Scanning will automatically cover only these 3 frequencies.
Note: all memories must be frequency programmed and can not be
left empty. Also, the unit is not designed to lock out only a few
selective channels.
7.7 POWER AMPLIFIER
The SG-2020 is fully compatible with our SG-500 watt amplifier.
Expected power from 3 to 18 MHz is not less than 450 watts and
not less than 300 watts on the extreme ends of the HF bands.
Only RF is required to control the SG-500. However any suitable
linear SSB amplifier can be used with the SG-2020 transceiver.
7.8 MONITOR BASE STATION
The special receive and scanning characteristics of the SG-2020
combined with its very low cost allows several transceivers to be
used to monitor many different frequencies simultaneously. This
provides a flexible and versatile base system. One single, expen-
sive HF radio may not provide the same performance, and its
power consumption may be restricted in some applications. The
SG-2020 is the most suited product for this type of application.