TB 9-6625-2009-24
Figure 2. Display accuracy.
10. Frequency Span
a. Performance Check
(1) Position controls as listed in (a) through (d) below:
(a) INPUT SENSITIVITY switch to 0 (zero) dBv.
(b) FREQ SPAN/DIV control to 5 Hz.
(c) SWEEP MODE switch to MAN.
(d) SWEEP MODE MANUAL VERNIER control fully ccw.
(2) Adjust frequency counter for maximum sensitivity and connect to TI rear panel
LO OUTPUT.
(3) Position controls as listed in (a) through (g) below:
(a) ZERO CAL control for an approximate 1000.00 kHz indication on frequency counter.
(b) FREQUENCY control for a 1000.00 kHz indication on frequency counter.
(c) SWEEP MODE MANUAL VERNIER control fully cw. Frequency counter
will indicate between 1000.49 and 1000.51 kHz.
(d) SWEEP MODE MANUAL VERNIER control fully ccw.
(e) FREQ SPAN/DIV control to 10 Hz.
(f) FREQUENCY control for a 1000.00 kHz indication on frequency counter.