Tektronix 2A61 Instruction Manual page 43

j. Switch the Standard Amplitude Calibrator to .1 volt.
k. Switch the Type 2A61 mV/DIV switch to .02.
|. Adjust the GAIN ADJ for 5 divisions of display on the
Type 561A CRT.
m. Switch the Type 2A6] mV/DIV switch to .5.
n. Switch the Standard Amplitude Calibrator amplitude
to 2mV. Switch the 1000:1 divider to 1X.
o. Adjust the Type 2A61 .01 mV GAIN control Fig. 6-17,
for 4 divisions of display on the Type 561A CRT.
p. Switch the Type 2A6] mV/DIV switch to 20.
q. Switch the Standard Amplitude Calibrator amplitude
to 100 mV.
r, Adjust the front panel GAIN ADJ contro! for 5 divi-
sions of display on the Type 561A CRT.
s, Switch the Standard Amplitude Calibrator amplitude
to 2mvV,
t. Switch the Type 2A61 mV/DIV switch to .5.
u. Adjust the Type 2A61 20mV GAIN control, Fig. 6-17,
for 4 divisions of display on the Type 561A CRT,
y. The three controls, 02 mV GAIN, 20mV GAIN and the
front pane! GAIN ADJ, interact. Recheck steps | through w.
Calibration—Type 2A61
ee ee
Ol mV GAIN ©
Fig, 6-17. Location of .O1 mV GAIN and 20 mV GAIN controls,
The display should be within 3% of the required amplitude
for each of the settings, 20mV/DIV, S5mV/DIV and 02 mV/
DIV.
NOTES
6-15