Tektronix 2246 User Manual

Measurement
Processes
and
Applications-—2246
Operators
rh
VOLTS
»i--Calls
up
a
cursor
to
mark
the
ground
position
of
the
selected
waveform
display
in
either
A
Horizontal
MODE
or
X-Y
Horizontal
MODE.
The
ground
cursor
follows
the
ground
level
of
the.
source
channel
waveform
as
it
is
positioned
vertically.
(TO
AUTO
TRACKING
MENU)-——Selects
CURSOR
measurement
menu
2
choices.
Cursor Menu 2
All
of
the
tracking
cursor
selections
may
be
underlined,
but
only
two
cursors
(of
either
type-—tracking
or
measure-
ment)
may
be
displayed
at
a
time.
If
TRACK
MEASMT
is
‚selected
and
a
CH1/CH2
VOLTMETER
measurement
is
active,
the
TRACK
rh
cursor
is
not
displayed
when
TRACK
TRIG
LVL
is
also
active.
If
the
MEASUREMENT
is
turned
off,
the
ground
tracking
cursor
will
return
to
the
display.
.
.
CLEAR
DISPLAY
may
be
used
to
turn
off
the
MENU,
MEASUREMENT,
and
TRACK
TRIG
LVL
and
TRACK
rh
cursors
in
a
priory
scheme
of
three
levels.
MENU
first,
MEASUREMENT
(and
TRACK
MEASMT
cursors)
second,
and
TRACK
TRIG
LVL
and
TRACK
rh
cursor
last.
The
highest
level
being
displayed
is
turned
off
each
time
the
CLEAR
DISPLAY
button
is
pressed.
TRACK
MEASMT—Press
to
enable
or
disabie
the
CH1/CH2
VOLTMETER
measurement-tracking
cursors
(SmartCursors®
that
attach
to
the
waveform-
measurement
points).
The
state
of
the
TRACK
MEASMT
feature
does
not
affect
the
positionable,
l-
VOLTS
-i
cursor
operation.
The
CLEAR
MENU
but-
ton
will
not
turn
off
the
TRACK
MEASMT
feature,
it
only
turns
off
the
present
display
of
the
TRACK
MEASMT
cursor
when
it
turns
off
the
active
measure-
ment
mode.
The
next
time
a
CH1/CH2
VOLTMETER
measurement
mode
is
selected,
the
TRACK
MEASMT
cursor
or
cursors
will
again
be
displayed.
TRACK
TRIG
LVL—Press
to
enable
or
disable
the
Trigger
Level
tracking
cursor.
See
“USING
THE
TRACK
TRIG
LEVEL
CURSORS”
in
this
section
for
conditions
required
to
display
the
Trigger
Level
tracking
cursors.
TRACK
GND-—Press
to
enable
or
disable
the
ground
level
tracking
cursor.
(BACK
TO
PREVIOUS
MENU)—Selects
menu
1
choices.
(MENU
OFF)—Clears
the
menu
from
the
display.
6-4
ATIME MENUS
Press
the
ATIME
button
to
call
up
the
time
measure-
ment
choices
shown
in
Figure
6-3.
Vertical
cursors
are
displayed
for
use
in
setting
the
time-measurement
points
in
A
Horizontal
MODE.
In
ALT
Horizontal
MODE,
the
delay
measurement
is
made
using
either
the
intensified
zones
as
the
measurement
points
or
the
alternate
B
delayed
sweeps.
For
B
Delayed
Horizontal
MODE,
the
delayed
sweeps
only
are
available
for
making
timing
measurement.
When
the
Horizontal
MODE
is
either
ALT
or
B,
the
B
Trigger
MODE
is
forced
to
RUNS
AFTER.
if
the
B
Trigger
MODE
is
switched
away
from
RUNS
AFTER
using
the
front
panel
Trigger
MODE
buttons,
a
selected
ATIME
measurement
will
be
canceled.
Pressing
LAST
MEAS’MT
will
return
the
B
Trigger
MODE
to
RUNS
AFTER
and
restart
the
last
selected
ATIME
measurement
(if
no
other
measurement
type
has
been
selected
first).
i-
SEC
-I—Press
to
measure
the
equivalent
time
difference
between
the
two
vertical
cursors
displayed
in
the
A
Horizontal
MODE
or
the
two
time
delays
in
ALT
or
B
Horizontal
mode.
The
position
of
the
both
cursors
or
both
delays
is
controlled
by
the
l-
or
DELAY
control;
the
position
of
the
A
cursor
or
the
A
delay
is
controlled
by
the
-I
or
A
control.
The
measured
time
difference
‘between
the
two
cursors
or
delays
is
displayed
in
the
ert
readout.
if
the
Horizontal
MODE
is
X-Y,
pressing
the
l-
SEC
-l
button
causes
the
message
“USE
A
ALT
OR
B
H SEC 4
r 1/SEC 4
k PHASE 4
SELF CAL
Figure
6-3.
ATIME
Measurement
Menus.
j ¥ rc Ken cr’
Sevres;

Tektronix 2246 Specifications

General

Brand	Tektronix
Model	2246
Category	Test Equipment
Language	English