Fig. 6-13. Setup to check LINE triggering operation.
11. Check line Triggering
CAUTION
Use special care to avoid shorting the transformer
terminal to ground or other transformer terminal.
a. Equipment setup is shown in Fig. 6-13.
d. Set the TIME/DIV selector to 10 ms and turn the POWER
b. Switch the Triggering SOURCE selector to LINE posi-
switch to the ON position.
tion.
e. Check line triggering with the SLOPE switch in both
the + and - positions. Display must trigger on the cor-
c. Turn the POWER switch OFF, then connect a
10× test
rect slope.
probe and a BNC to clip lead adapter between pin H of
f. Remove the
10× probe and clip lead adapter. Return
the Vertical Amplifier circuit board and pin 17 of the power
the TIME/DIV switch to 2 ms position and the Triggering
transformer. See Fig. 6-13.
SOURCE switch to INT position.
6-16
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