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Tektronix 475A - Mixed Sweep Display; Dee Ene

Tektronix 475A
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4.
Adjust
the
DELAY
TIME
POSITION
control
to
move
the
intensified
zone
to
cover
the
portion
of
the
display
to
be
displayed
in
delayed
form.
5.
Set
the
HORIZ
DISPLAY
switch
to
B
DLY'D.
The
intensified
zone
noted
in
steps
3
and
4
is
now
displayed
in
delayed
form.
The
delayed
sweep
rate
is
indicated
by
the
dot
on
the
B
TIME/DIV
knob.
6.
If
your
instrument
is
equipped
with
a
DM44
delayed
displays
of
two
signals
can
be
obtained
at
the
same
time.
The
DM44
will
indicate
the
time
difference
between
the
beginning
of
the
delayed
dispiays.
To
obtain
two
delayed
displays
set
the
FUNCTION
switch
to
TIME
and
the
VERT
MODE
switch
to
ALT.
The
DELAY
TIME
POSITION
control
positions
both
delayed
displays.
The
ALT
DELAY
control
positions
only
the
CH
2
delayed
display.
7.
For
a
delayed
display
with
less
jitter,
set
the
B
Trigger
SOURCE
switch
to
the
same
position
as
the
A
Trigger
SOURCE
switch
and
adjust
the
B
LEVEL
control
for
a
stable
display.
MIXED
SWEEP
DISPLAY
1,
Obtain
a
normal
sweep
display.
18
475A/DM44
Operators
2.
Pullout
on
the
B
TIME/DIV
knob
and
turn
cw
to
the
desired
sweep
rate.
If
your
instrument
is
equipped
with
a
DM44
set
the
FUNCTION
switch
to
a
function
other
than
TIME
or
1/TIME
for
a
single
mixed
display.
Dual
mixed
displays
are
discussed
in
step
4.
3.
Set
the
HORIZ
DISPLAY
switch
to
MIX.
The
display
now
contains
two
sweep
rates.
The
first
portion
of
the
display
is
at
the
A
sweep
rate
while
the
latter
portion
of
the
display
is
at
the
B
sweep
rate.
The
start
of
the
B
sweep
rate
portion
can
be
changed
by
adjusting
the
DELAY
TIME
POSITION
control.
4.
if
your
instrument
is
equipped
with
a
DM44,
mixed
sweep
displays
of
two
signals
can
be
obtained
at
the
same
time.
The
DM44
will
indicate
the
time
difference
between
the
beginning
of
the
B
sweep
portions
of
the
two
displays.
To
obtain
two
mixed
sweep
displays
set
the
FUNCTION
switch
to
TIME
and
the
VERT
MODE
switch
to
ALT,
The
DELAY
TIME
POSITION
control
positions
both
mixed
displays.
The
A
TIME
control
positions
only
the
CH
2
mixed
display.
X-Y
DISPLAY
1.
Preset
the
instrument
controls
as
given
in
step
1
of
Normal
Sweep
Display,
then
turn
the
instrument
power
on.
Allow
several
minutes
for
instrument
warm-up.
@

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