Vertical Position Range (All Channels) - Tektronix 2245A Operator's Manual

Performance Check Procedure
12.

Vertical POSITION Range (all channels)

Set:
A SEC/DIV
VERTICAL MODE
CH 1 VOLTS/DIV
CH 2 INVERT
SCOPE BW
CH 1 and CH 2 Input COUPLING
Connect leveled sine-wave generator (SG 503) output to the CH 1 and
b.
CH 2 inputs via a 50 f l BNC coaxial cable, a 50 H BNC termination,
and a BNC dual-input coupler.
Position trace to center horizontal graticule line.
c.
Set leveled sine-wave generator output for two-division signal at
d.
50 kHz.
e. Set:
CH 1 VOLTS/DIV
CH 1 POSITION
CHECK—that the bottom of the waveform is at least one division above
f.
the center horizontal graticule line.
Set CH 1 POSITION fully CCW.
g-
CHECK—that the top of the waveform is at least one division below the
h.
center horizontal graticule line.
i. Set:
CH 1 POSITION
VERTICAL MODE
CH 2 POSITION
CHECK—that the bottom of the waveform is at least one division above
j.
the center horizontal graticule line.
Set CH 2 POSITION fully CCW.
k.
CHECK—that the top of the waveform is at least one division below the
.
l
center horizontal graticule line.
7-18
0.1 ms
CH 1 (ADD off)
1 V
Off
Off
AC
0.1 V
Fully CW (clockwise)
12 o ' clock
CH 2 (CH 1 off)
Fully CW
224SA Operators