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Triggering Level
Trigger point on waveform is adjusted by the L E V E L / P U L L S L O P E ® control. Fig. 7 s h o w s
the relationship between the S L O P E and L E V E L of the trigger point. Triggering level can
be adjusted as necessary.
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Auto Trigger
W h e n the T R I G MODE (jj) selection is in A U T O , the s w e e p circuit becomes free-running
as long a s there is no trigger signal, permitting a check of GND level. W h e n a trigger sig-
nal is present, the trigger point can be determined by the L E V E L control for observation
as in the normal trigger signal. When the trigger level exceeds the limit, the trigger circuit
also becomes free-running where the w a v e f o r m starts running. When the L E V E L control
is pushed in and/or, w h e n the trigger signal is absent or the triggering level exceeds the
limit, there is no s w e e p .
18
Fig. 6
S L O P E " - "
R A N C E
S L O P E " + " RANGE
Fig.
Trigger signal
(Gate signal)
• CH1 (Input signal to
amplifier, etc.)
C H 2 (Output signal
from amplifier, etc.)
L E V E L
7
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