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Tektronix 2247A

Tektronix 2247A
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Controls,
Connectors,
and
Indicators
TRIGGER
©
j
uve
(35)
&
~
*
:
SLOPE
;
reall
i
i
?
A/B
SELECT
A
8
TRIGD
6373.06
Figure
2-5.
Trigger
controls
and
Indicators.
Adjusting
the
LEVEL
control
fully
counterclockwise
In
AUTO
LEVEL
Trigger
MODE
causes
the
trigger
to
reacquire
and
sets
the
trigger
level
to
the
10%
point
of
the
trigger
signal:
adjusting
to
the
clockwise
stop
will
cause
a
reacquisition
to
the
90%
level.
In
elther
case,
the
limits
of
the
Trigger
LEVEL
control
will
be
the
10%
and
90%
levels
of
the
trigger
signal.
MODE
Buttons
(Up-
and
Down-Arrows)
and
Indicators—Select
the
operating
modes
of
the
A
and
B
trigger
systems.
Pressing
the
Up-/Down-Arrow
buttons
selects
the
operating
modes
as
shown
by
the
Trigger
MODE
lights.
2247A
Operators
Li
Boiss

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