Tektronix 475 User Manual

Calibration—475
h. Set the VERT MODE switch to CH 2 and the A
SOURCE switch to CH 2.
d. CHECK—A stable display can be obtained on both
slopes of the displayed waveform in all positions of the B
COUPLING switch by adjusting the LEVEL controls.
i. CHECK—Repeat steps 14-d and 14-e.
e. Set the B SOURCE switch to CH 2.
j. Set the A SOURCE switch to EXT and the CH 2
VOLTS/DIV switch to 20 mV.
f. CHECK—Repeat steps 15-c and 15-d.
k. Adjust the Medium-Frequency signal generator for a
five-division display of a 50 kilohertz signal.
g. Set the VERT MODE and B SOURCE switches to
CH 1.
1. CHECK—That a stable display can be obtained, by
adjusting the A LEVEL control, in both slopes of the
displayed waveform in the AC and DC positions of the A
h. CHECK—Repeat steps 15-c and 15-d.
COUPLING switch.
i. Set the B SOURCE switch to EXT and the CH 1
VO LTS/DIV to 20 mV.
m. Remove the X2 BNC attenuator from the External
Trigger signal test setup.
j. Adjust the Medium-Frequency signal generator for a
five-division display of a 50 kilohertz signal.
n. CHECK—That a stable display can be obtained, by
adjusting the A LEVEL control, in both slopes of the
displayed waveform in the HF REJ and LF REJ positions
of the A COUPLING switch.
k. CHECK—That a stable display can be obtained, by
adjusting the LEVEL controls, in both slopes of the
displayed waveform in the AC and DC positions of the B
COUPLING switch.
o. Replace the X2 BNC attenuator and set the A
SOURCE switch to EXT-r 10.
1. Remove the X2 BNC attenuator from the External
Trigger test setup.
p. Remove the X I0 BNC attenuator from the External
Trigger test setup.
q. CHECK—Repeat step 14-1 through 14-n.
m. CHECK—That a stable display can be obtained, by
adjusting the LEVEL controls, in both slopes of the
displayed waveform in the HF REJ and LF REJ positions
of the B COUPLING switch.
r. Replace both the X I 0 and X2 BNC attenuators to the
External Trigger test setup.
16. Check A Normal Mode Operation
s. Set the A SOURCE switch to NORM.
a. Set the HORIZ DISPLAY switch to A, the A
COUPLING switch to AC, both SOURCE switches to
NORM, and the TRIG MODE switch to AUTO.
15. Check B Triggering
a. Move the External Trigger test signal to the B
External Trigger input. Set the HORIZ DISPLAY switch to
B DLY'D.
b. Adjust the Medium-Frequency signal generator for a
50 kilohertz signal.
c. Adjust the A LEVEL control for a triggered display.
b. Adjust the Medium-Frequency signal generator to
maintain a 0.3-division display of a 50 kilohertz signal.
c. Rotate the B SLOPE switch between + and —.
d. Switch the TRIG MODE switch to NORM,
e. CHECK—CRT for a stable display.
5-10
e. CHECK—CRT for a stable display.

Tektronix 475 Specifications

General

Brand	Tektronix
Model	475
Category	Test Equipment
Language	English