TB 9-6625-2293-35
(13) Push and release TRIGGER COUPLING switch. Display readout will indicate
CH 4, 500 mV, (step) 220.
(14) Move connection from CH 3 to CH 4.
(15) Change oscilloscope calibrator VOLTAGE mode output to .5 V.
(16) Push and release TRIGGER COUPLING switch. Display will indicate CH
4, 2 V, (step) 221.
(17) Change oscilloscope calibrator VOLTAGE mode output to 2 V.
(18) Push and release TRIGGER COUPLING switch.
Display will indicate
DIAGNOSTIC. PUSH AB TRIG TO EXIT.
(19) Press A/B TRIG pushbutton to exit, press POWER pushbutton to OFF, and
move CAL NO CAL jumper to NO CAL position, press POWER pushbutton to ON.
22. CAL 06 Vertical
Transient Response
a. Performance Check
(1) Press corresponding pushbutton for indications as listed in (a) through (g) below:
(a) VERTICAL MODE CH 1 and CH 2 to on.
(b) VERTICAL MODE CH 3 and CH 4 to off.
(c) ADD, INVERT, and BW LIMIT to off.
(d) ALT/CHOP to ALT.
(e) TRIGGER SLOPE to + (plus).
(f) TRACKING/INDEP to INDEP.
(g) ∆V to on (RATIO readout).
(2) Set corresponding switch up or down for indications as listed in (a) through (d) below:
(a) TRIGGER MODE to AUTO LVL.
(b) TRIGGER SOURCE to VERT.
(c) TRIGGER COUPLING to DC.
(d) CH 1 and CH 2 input coupling to 50 Ω DC.
(3) Position corresponding controls for indications as listed in (a) through (m) below:
(a) CH 1 and CH 2 VOLTS/DIV to 10 mV.
(b) CH 1 VAR ccw (out of detent).
(c) CH 2 VAR cw to detent.
(d) CH 1 and CH 2 VERTICAL POSITION to midrange.
(e) A and B SEC/DIV to 20 ns (knobs locked).
(f) A and B SEC/DIV VAR to detent.
(g) Horizontal POSITION to midrange.
(h) TRIGGER LEVEL to midrange.
(i) TRIGGER HOLDOFF to detent.
(j) ∆REF OR DLY POS and ∆ to place cursors near the 3d line above and 3d
line below graticule center (6 division spacing).
(k) INTENSITY control to left of center.
(l) READOUT INTENSITY to right of center.
(m) FOCUS for best focused display.