PERFORMANCE VERIFICATION PROCEDURE
4-19
3.
Trigger level control range channel A and B
•••
All
models
This test checks the trigger
level control range.
Test equipment:
Tektronix SO SOS Constant
Amplitude Sine
wave
Generator
T^st setup:
Sett
inge/procedure/requ
Iremente
:
A
Apply
a 500
kHz sine wave wHh
an
amplitude o1 950 mV peak-to-peak to channel A. Use a 5012
termination.
B Switch on the Scope Meter and press the SCOPE key to get into SCOPE mode. Now press the
AUTO SET key.
C Verify that the signal is welt triggered.
D Set channel A to 100 mV/div.
E Press the TRIG3EH key. Use the select/adjust Keys to verify that the trigger level range Is more
than 8 divisions
(4
divisions up and 4 divisions down). The selected trigger level Is shown on the
display {reversed Indication LEVEL*}. Also the trigger level indication, marked with an Aj~
will shift, while shifting the trigger level. See hgure 4.9.
F Repeat the same procedure for channel B.
run
Figure 4.9 Trigger level
indication
on screen
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