TB 9-6625-2164-35
FAST EDGE output and set for 250 kHz frequency.
cg. Adjust TI controls for a display of 5 divisions centered vertically.
ch. Set TIME/DIV switch to 50 ns.
ci. Press pushbuttons TRIG POS to read TPOS 1 on TI display (+ SLOPE if signal is
not positive).
cj. Press CURSOR ⇐ 1 ⇒ pushbutton to read T=0.0S on TI display.
ck. Press
TRIGGERING/MODE
AUTO,
TRIGGERING/COUPLING
DC
pushbuttons. TI display CURSOR dot indication will be within 2 vertical divisions of center
gratcule line; if not, adjust RAMP OFFSET R732 (fig. 5) so CURSOR dot is within 1 vertical
division of center graticule line.
NOTE
Adjustment of RAMP OFFSET R732 affects the adjustment
setting of RAMP GAIN R320 (fig. 5). Repeat bu through ca
above.
cl. Remove all connections from TI.
8. Vertical Gain
a. Performance Check
(1) Press MENU/TEST, MEMORY DISPLAY 4, 5, 6 and MENU/TEST pushbuttons.
(2) Press TRIGGERING/COUPLING HF REJ pushbutton.
(3) Set VOLTS/DIV switch to 10 mV and TIME/DIV to 200 s.
(4) Connect oscilloscope calibrator SOURCE/MEASURE CHAN 1 output to CH 1.
