TB 9-6625-2293-35
d. Set corresponding switches up or down for indications as listed in (1) through
(4) below:
(1) CH 1 and CH 2 input coupling for 1 M Ω DC.
(2) TRIGGER MODE to AUTO LVL.
(3) TRIGGER SOURCE to VERT.
(4) TRIGGER COUPLING to DC.
e. Position controls as listed in (1) through (8) below:
(1) VERTICAL POSITION controls to midrange.
(2) Horizontal POSITION control to midrange.
(3) TRIGGER LEVEL control to midrange.
(4) TRIGGER HOLDOFF control fully cw to B ENDS A detent.
(5) SCALE ILLUM control fully ccw.
(6) CH 1 and CH 2 VOLTS/DIV switches to 1 00 mV and VAR control fully cw to
detent.
(7) A SWP SEC/DIV switch to 100 s (knobs locked) and VAR control cw to detent.
(8) INTENSITY, FOCUS, and READOUT INTENSITY controls for suitable
viewing.
a. Performance Check
(1) Press VERTICAL MODE pushbutton CH 2 to off.
(2) Connect digital multimeter LO to chassis ground and HI to TI J119 (fig. 1)
pin 4. If digital voltmeter does not indicate between +9.99 and +10.01 V dc, perform b
below.
b. Adjustments.
Adjust VOLT REF ADJ
R1292 (fig 2) until
digital multimeter
indicates 10.00 V DC (R).