Position - Tektronix 2212 Service Manual

Performance Tests
4- 14
j. Repeat parts hand i for the remaining SEC/DIV and time
mark generator setting combinations as shown in Table 4-3.
k.
SET:
SEC/DIV.............................. 0.5 µs
Horizontal Magnify ............ X50
I. Select 10 ns time markers from the time-marker generator.
m. Use the Horizontal POSITION control to align the first
time marker that is 100 ns beyond the start of the sweep with
the second vertical graticule line.
n. CHECK - Timing accuracy is within 5 % (0.40 division at
the tenth vertical graticule line), and the linearity is within
9% (0.18 division over any two of the center eight divisions).
Exclude any portion of the sweep past the 100th magnified
division.
o. Repeat parts m and n for the remaining
SEC/DIV
and time
mark generator setting combinations as shown in Table 4-3.
Step
2.
Check Sweep Length
a. SET:
SEC/DIV
Horizontal Magnify ........... .
0.1 ms
Xl
b. Select 0.1 ms time markers from the time-mark
generator.
c. Position the start of the sweep at the first vertical graticule
line using the Horizontal POSITION control.
d. CHECK - That the sweep length is
;?:
10 divisions.
Performance Verification