TB 9-6625-2132-24
Figure 1. Adjustment locations - left side view (Type 7A13).
d. Press oscilloscope VERT MODE and TRIG SOURCE pushbuttons to LEFT.
e. Press time base pushbuttons as listed in (1) through (7) below:
(1) LEVEL/SLOPE pushbutton to POSITIVE SLOPE.
(2) MODE pushbutton to AUTO.
(3) COUPLING pushbutton to AC.
(4) SOURCE pushbutton to INT.
(5) MAGNIFIER pushbutton to X1 (IN).
(6) TIME/DIV or DLY TIME switch to 0.5 ms.
(7) TIME/DIV VARIABLE control to CAL.
f. Set oscilloscope ON/OFF switch to ON and allow at least 20 minutes for warm-up.
8. Gain and Deflection Accuracy
a. Performance Check
(1) Press TI +INPUT pushbutton to DC and set VOLTS/DIV switch to 1 mV.
(2) Connect oscilloscope calibrator SOURCE/MEASURE CHAN 1 to TI +INPUT.
(3) Press oscilloscope calibrator VOLTAGE key and set for a 5 mV, 1 kHz output.
