TB 9-6625-2347-35
(a) CH 1 VOLTS/DIV to 20 m.
(b) CH 2 VOLTS/DIV to 20 m.
(c) SEC/DIV to 20 s.
(69) Remove 10X attenuator from equipment connection.
(70) Set oscilloscope calibrator for a CH 1, LEVEL SINE mode output of 50 kHz and
adjust amplitude for 6 divisions of TI vertical deflection.
(71) Rotate oscilloscope calibrator knob below EDIT FIELD pushbutton to increase
oscilloscope calibrator frequency until the display decreases to 4.2 divisions of deflection.
(72) Set oscilloscope calibrator to STANDBY.
(73) Move connection from TI CH 2 OR Y input to TI CH1 OR X input.
(74) Set TI VERTICAL MODE CH 1 BOTH CH 2 switch to CH 1.
(75) Set oscilloscope calibrator to OPERATE.
(76) Adjust C167 (fig. 1) for 4.2 divisions of TI vertical deflection.
(77) Reduce outputs to minimum and disconnect equipment setup.
9. Horizontal
a. Performance Check
(1) Position TI controls as listed in (a) through (j) below:
(a) VERTICAL MODE CH 1 BOTH CH 2 switch to CH 1.
(b) CH 1 VOLTS/DIV switch to .5.
(c) INVERT button depressed to out.
(d) SEC/DIV to .05 s.
(e) TRIGGER MODE AUTO NORM TV FIELD switch to NORM.
(f) DELAY TIME switch to 0.5 s.
(g) MULTIPLIER knob fully ccw to <X1.
(h) TRIGGER LEVEL to midrange.
(i) TRIGGER SOURCE switch to EXT.
(j) EXT COUPLING switch to DC10.
(2) Connect oscilloscope calibrator SOURCE/MEASURE CHAN 1 to TI CH 1 OR
X input and oscilloscope calibrator EXT TRIG CH 5 to TI EXT INPUT using 50Ω
feedthrough terminations.
(3) Set oscilloscope calibrator for a CHAN 1, MARKER mode output of 50 ns/div
and TRIGGER MODE on and TIMEDIV to /10.
(4) Adjust TI TRIGGER LEVEL, INTENSITY, and CH 1 ⇕POSITION controls
for suitable viewing.
(5) Adjust TI ⇦POSITION⇨ control to align 2nd time marker with 2nd vertical
graticule line.
(6) Rotate oscilloscope calibrator knob located below EDIT FIELD pushbutton to
and TI linearity are not within limits specified in first row of table 7, perform b below.
