Performance Check Procedure
VERTICAL
Equipment Required (See Table 7-1)
Leveled sine-wave generator 50 £1 precision BNC coaxial cable
Calibration generator 50 f l termination
Function generator
Dual-input coupler
50 n BNC coaxial cable
1. Input COUPLING Functional Check
Set:
READOUT (Intensity) For a viewable readout
A INTEN
For a viewable trace
VERTICAL MODE CH 1 and CH 2
CH 1 and CH 2
VOLTS/DIV
1 V
CH 1 and CH 2
Input COUPLING
DC
SCOPE BW Off
CH 2 INVERT
Off
A/B SELECT
A TRIGGER
TRIGGER MODE
AUTO LEVEL
TRIGGER SOURCE
VERT
TRIGGER CPLG
DC
TRIGGER SLOPE
- T (positive-going)
TRIGGER LEVEL
12 oāclock
TRIGGER HOLDOFF
Min
Horizontal POSITION
12 o'clock
Horizontal MODE
A
SEC/DIV
0.5 ms
FOCUS
For best defined display
CLEAR MEAS'MT
Press to remove measurement
cursors
b. Set Vertical MODE to CH 1 (CH 2 off).
c. Connect Function Generator (FG 502) sine-wave output to the CH 1
input via a 50 f l BNC coaxial cable and a 50 O BNC termination.
7-10
2245A Operators