TB 9-6625-2138-35
If waveform does not have a 50 percent duty cycle, perform b below.
(3) Set PATTERN switch to (20)-1 and CLOCK switch to 75.
(4) Momentarily set START/STOP switch to START. Observe JITTER readout
for one minute. JITTER readout indication will be 2 percent or less.
b. Adjustments.
Adjust A14R16 (fig. 1)
for an
observed duty
cycle of 50
percent (R).
a. Performance Check
(1) Connect frequency counter to INT XMIT CLOCK connector (rear panel)
(2) Set COUNT D/O COUNT C/L switch A1S1 (fig. 1) to COUNT D/O.
(3) Set CLOCK switch to settings listed in table 3. Frequency counter indications
will be within limits specified.