Delay Time Position Range; Delay Time Position R An Ge - Tektronix 2245A Operator's Manual

Performance Check Procedure
9. D e la y T im e Positio n R ange
a. Set time-mark generator for 0.1 ms.
b. Set:
A SEC/DIV
B SEC/DIV
K- OR DELAY control
c. CHECK—that the Intensified dot Is positioned at or before the second
time marker.
d. Turn the |«-
or
Increasing (largest number).
e. CHECK—that the Intensified dot Is positioned at or after the 99th time
marker (located at a Delay Time of 9.9 m s).
f. Disconnect the time mark generator from the 2245A.
10. X -A x is G ain A c c u ra c y
a. Set:
Horizontal MODE
VERTICAL MODE
CH 1 and CH 2
VOLTS/DIV
CH 1 Input COUPLING
CH 2 Input COUPLING
b. Connect calibration generator Std Ampl output to the CH 1 input via a
50 f l precision BNC coaxial cable.
c. Set calibration generator for Std Ampl output, 50 mV.
d. CHECK—X-Axis amplitude is between 4.85 and 5.15 horizontal divi­
sions.
e. Disconnect calibration generator.
7-44
DELAY control clockwise until the delay readout stops
1 ms
5 jis
?0.000 ms
X-Y
CH 2 (CH 1 off)
10 mV
DC
GND
2245A Operators