TB 9-6625-1963-24
NOTE
Unless otherwise specified, verify the results of each test and,
whenever the test requirement is not met, take corrective
action before continuing with the calibration. Adjustments
required to calibrate the TI are included in this procedure.
Additional maintenance information is contained in the
manufacturer's manual for this TI.
NOTE
Unless otherwise specified, all controls and control settings
refer to the TI.
a. Remove side panels from TI.
b. Install TI in right vertical compartment of test oscilloscope, using extender.
c. Connect test oscilloscope to 115 volt power source and allow 20 minutes for warm-
up.
d. Position controls of test oscilloscope as listed in (1) through (3) below:
(1) VERTICAL MODE switch to LEFT.
(2) TRIGGER SOURCE switch to VERTICAL MODE.
(3) MAIN TRIGGER SOURCE switch (horizontal plug-in) to INTERNAL.
a. Performance Check
(1) Position TI controls as listed in (a) through (k) below:
A and B SLOPE + pushbutton switches to + (in).
(a)
A and B COUPL AC pushbutton switches to AC (in).
(b)
SOURCE INPUT B pushbutton switch to input A (out).
(c)
A and B P-P SENS knobs set to .1V.
(d)
DISPLAYED WAVEFORM switch to PSEUDO GATE.
(e)
GATE pushbutton switch to NORM.
(f)
MODE pushbutton switch to PERIOD A.
(g)
AVERG pushbutton switch to X1.
(h)
CLOCK pushbutton switch to 1ms.
(i)
STORAGE switch to ON.
(j)
INT/EXT CLOCK MODE switch (fig. 1) to INT.
(k)
(2) Connect frequency counter input to TI CLOCK OUT jack, using termination
and cable supplied with TI.
(3) Press CLOCK 1 s pushbutton switch.
(4) Adjust CLOCK ADJUSTMENT (fig. 1), for a frequency counter indication of
1.000000 MHz.