Tektronix 2245A - MEASUREMENT CURSORS; k- SEC ~>l and l<- 1;SEC -| Cursor Accuracy

Performance Check Procedure
MEASUREMENT CURSORS
Equipment Required (See Table 7-1)
Time mark generator
Calibration generator
50 f l BNC coaxial cable
50 f l BNC termination
1. |<- SEC -»l and l«- 1/SEC -H Cursor Accuracy
Set:
READOUT (Intensity)
For a viewable readout
A INTEN
For a viewable trace
VERTICAL MODE
CH 1
CH 1 VOLTS/DIV 0.5 V
CH 1 and CH 2
Input COUPLING
DC
CH 2 INVERT
Off
SCOPE BW
Off
Horizontal MODE
A
A SEC/DIV
1 ms
A/B SELECT
A Trigger
TRIGGER MODE
AUTO LEVEL
TRIGGER CPLG
DC
TRIGGER SOURCE
VERT
TRIGGER SLOPE
(positive-going)
TRIGGER HOLDOFF
Min
FOCUS
For best defined display
b. Connect time-mark generator (TG 501) output via a 50 f l BNC coaxial
cable and a 50 f l BNC termination to the CH 1 input.
c. Set time-mark generator for 1 ms time marks.
d. Position first time marker horizontally to the first vertical graticule line
(left-most edge of the graticule).
e. Press TIME MEASUREMENTS button to display the H- SEC -»l cursors.
f. Position the reference cursor to the second time marker and the delta
cursor to the tenth time marker.
7-46
2245A Operators