Display; D Is P L A Y; Trace Rotation - Tektronix 2245A Operator's Manual

Performance Check Procedure
Equipment Required (See Table 7-1)
Time mark generator
Cl
50 BNC termination

1. TRACE ROTATION

a. Set:
READOUT (Intensity)
A INTEN
VERTICAL MODE
CH 1 VOLTS/DIV
CH 1 COUPLING
SCOPE BW
A/B SELECT
TRIGGER MODE
TRIGGER SOURCE
TRIGGER CPLG
TRIGGER SLOPE
TRIGGER HOLDOFF
TRIGGER LEVEL
Horizontal MODE
Horizontal POSITION
A SEC/DIV
CLEAR MEAS' MT
FOCUS
b. Position trace vertically to the center graticule line.
c. CHECK—trace rotation control range is adequate to align trace with
center graticule line using a small straight-bladed alignment tool.
d. ADJUST—trace parallel to center horizontal graticule line.
7-8

DISPLAY

50
For a viewable readout
For a viewable trace
CH 1
0.1 V
AC
Off
A Trigger
AUTO LEVEL
VERT
DC
_j~ (positive-going)
Min
12 o'clock
A
12 o'clock
2 |xs
Press to remove measurement
cursors.
For best defined display
Cl
BNC coaxial cable
2245A Operators