Uniden 2020, Руководство пользователя, Страница: 5 / 26

UNIDEN 2020
Sid 5 (26)
2-3. Tuning Coil Alignment
( 1 ) Connect SSG output and mV as 2-2 (1), (2).
( 2 ) Set PRESELECT CONTROL to center position.
( 3 ) Select BAND SWITCH and SEGMENT SWITCH in order, starting from
15.0 MHz according to the chart 2-2-1-A, and also provide listed frequency
signals (unmodulated 40 dB) from SSG as show in the chart 2-2-1-B and recive
them by tuning the main dial.
(
4 ) Get maximum S-Meter or mV readings by adjusting tuning coils as indicated
(L201 – L213) on each band.
(
5 ) Control SSG output during this process to make adjustment easier.
Chart 2-2-1
A B C
BAND SEGMENT FREQ. (MHz) COIL No.
15.0 0/500 15.000 L201, L208
3.5 100/600 3.600 L202, L209
7.0 100/600 7.100 L203, L210
14.0 200/700 14.200 L204, L211
21.0 200/700 21.200 L205, L212
28.5 0/500 28.500 L206, L213
2-4. IF Tuning Coil Alignment.
( 1 ) Connect SSG and mV as 2-2 ( 1 ), ( 2 )
( 2 ) Set BAND SWITCH to 14.0, and SEGMENT SWITCH to 200/700.
( 3 ) Provide 40 dB of 14.200 MHz unmodulated signal from SSG.
( 4 ) Tune the main dial and receive the input signal, then control PRESELECT
knob to get maximum output readings.
(
5 ) Adjust L214 – L218 so as to get the maximum readings on S-Meter or mV.