TB 9-6625-1914-35
(d) FREQUENCY FINE TUNE control centered.
(12) Adjust FREQUENCY control to 0 MHz. If local oscillator feed-through signal
does not appear at center graticule line 0.2 division on display, perform b (16) below.
(13) Adjust FREQUENCY control to 11 MHz and signal generator frequency to
11 MHz. If signal pip does not align with center graticule line 0.2 division on display,
perform b (17) below.
b. Adjustments
(1) Connect TI and IF plug-in to extender and connect extender to display section.
(2) Adjust FREQUENCY control to 0 MHz.
(3) Set SCAN WIDTH (red) switch to ZERO and center TUNING RANGE
adjustment A5A1R13 (fig. 6).
(4) Adjust A7A1R3 (fig. 6) for maximum baseline lift on display. This will indicate
signal coincidence with ZERO SCAN WIDTH selected (R).
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