TB 9-6625-2340-24
(65) Press TI keys as listed in (a) through (e) below:
RES BW, 1, MHz.
(a)
FREQUENCY SPAN, 200, kHz.
(b)
MARKER NORMAL.
(c)
SCALE LIN.
(d)
REFERENCE LEVEL.
(e)
(66) Adjust TI DATA knob to position trace at (or just below) reference level (top)
graticule line.
(67) Short A4A9TP1 to A4A9TP2 (fig. 8).
(68) Adjust A4A4C67 and A4A4C19 (fig. 17) for maximum level as indicated by TI
indication.
Figure 17. A4A4 board.
(69) Remove short from A4A9TP1 and A4A9TP2 (fig. 8).
key.
(70) Press TI MARKER
(71) Reinstall short between A4A9TP1 and A4A9TP2 (fig. 8).
level should
(72) Adjust A4A4R43 (fig. 17) to align markers on TI display. MKR
indicate 1.00X.
NOTE
The pictured filter (fig. 18) is required to continue with this
adjustment routine.
Figure 18. 21.4 MHz filter.
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