Performance Check Procedure
OPTION 15
Equipment Required (See Table 7-1)
Calibration generator Two 50 f l BNC coaxial cables
Test oscilloscope 50 f l Precision BNC coaxial cable
Level sine-wave generator Two 50 f l BNC termination
1. Signal Output
a. Set:
VERTICAL MODE
CH 1 and CH 2
CH 3 and CH 4
BW LIMIT
VOLTS/DIV
CH 1 and CH 2
Input Coupling
CH 1 and CH 2
A and B SEC/DIV
TRIGGER MODE
SOURCE
COUPLING
On (light on)
Off (light off)
Off (light off)
2 MV
GND
1 ms
AUTO LVL
VERT
NOISE REJ
b. Push the CH 2 VERTICAL MODE button so that light is off.
c. Connect the CH 2 signal from the rear-panel CH 2 SIGNAL OUT con
nector to the CH 1 OR X input connector via a 50 f l BNC cable.
d. Align the CH 1 trace to the center graticule line.
e. Set CH 1 Input Coupling to DC.
f. CHECK—Display amplitude to 4.5 to 5.5 divisions (neglect trace
width).
g. Connect a 1 kHz, 10 mV standard-amplitude signal from the Calibra
tion Generator to the CH 2 Input Connector via a 50 f l BNC cable.
7-50 2245A Operators
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