The SG-2020 receiver is equal or better than most transceivers available in the commercial or ham markets. The above readings are for reference and orientation only and may change without notice. Above stress power test should not be extended more than ten seconds otherwise Power Transistors may get damaged. This test is not covered under warranty. Select whether you want the backlight on or off when the radio is turned on.
Radio then reverts to normal operation.
Press MEM to enter. Press MEM to enter. Press MEM to enter. Press MEM to enter. The CW sidetone level can be adjusted internally, by adjusting the surface mounted potentiometer R46 on the exciter board next to the large electrolytic capacitor of 470 f and between J1 and J2 connector.