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Tektronix 47E5A

Tektronix 47E5A
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Fig.
6.
Horizontal,
calibrator,
and
power
controls,
connectors,
and
indicators.
HORIZONTAL,
CALIBRATOR,
AND
POWER
34a. A
AND
B
TIME/DIV
AND
DELAY
TIME-A
TIME/DIV
switch
(clear plastic skirt) selects the sweep
rate
of
the A Sweep
circuit
for
A sweep
only
operation
and
selects the basic delay time (to be used
by
the
DELAY-
TIME
POSITION
control)
for
delayed sweep
operation.
B
TIME/DIV
switch
(pullout
and rotate to
unlock)
selects the
sweep rate
for
the B Sweep
circuit
for delayed
sweep
operation
only
. A VAR
control
must be in the
calibrated
detent
for
calibrated
A Sweep rates. When
both
TIME
/ DIV
switches are
fully
counterclockwise
to the X-V
position
,
the
horizontal
(X-axis)
display
is the
CH
1 input.
34b.
DM44
A
AND
B
TIME/DIV
AND
DELAY
TIME-
The
controls
operate
in the same
manner
as 37a above.
The
A
TIME
/ DIV
switch
also
controls
the
TIME
lamps and
decimal
point
location
when
the DM44 is in the
TIME
or
1/
TIME
MODE
.
35.
FINE/POSITION-Positions
the
display
horizontal-
ly
for
A sweep and B Sweep.
36. X10
MAG-Increases
displayed
sweep rate
by
a
factor
of
10. It extends fastest sweep rate to 1
nanosecond/division.
The
magnified
sweep is the
center
division
of
the
unmagnified
display
(0.5
division
either
side
of
the
center
graticule
line).
12
47SA/DM44
Operators
@
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