Tektronix 2247A

Basic Applications
Table 5-1
Trigger
Cursor
Channel
A
or
B
Trigger
Source
A
or
B
Cursor
Channel
VERT
Lowest-numbered
channel
displayed
(CH
1
or
CH
2)
CH
1
CH
1
CH
2
CH
2
CH3
Not
used
CH
4
Not
used
LINE
Not
used
To
enable
the
TRACK
TRIG
LVL
cursors,
press
the
CURSOR
VOLTS
button
to
call
up
page
one
of
the
menu.
The
last
selection
In
the
menu
is
“TO
AUTO
TRACKING
MENU.”
Press
the
menu
select
button
for
that
choice
to
display
page
2
with
the
tracking
cursor
choices.
All
of
the
choices,
TRACK
MEASMT,
TRACK
TRIG
LVL,
and
TRACK
th,
may
be
underlined,
but
they
cannot
all
be
displayed
at
the
same
time.
Only
two
cursors
at
a
time
are
permitted.
If
enabled,
but
not
displayed
in
a
particular
waveform,
omitted
cursors
will
be
displayed
when
a
higher
priority
cursor
Is
turned
off.
TRACK
MEASMT
cursors
take
priority
over
the
TRACK
TRIG
LVL
cursors.
TRACK
TRIG
LVL
cursors
take
priority
over
TRACK
sh
played
when
a
CURSOR
VOLTS
measurement
the
Auto
Tracking
Cursors.
cursors.
The
cursors
dis-
Is
active
take
priority
over
all
NOTE
The
CLEAR
DISPLAY
button
will
turn
off
the
TRACK
TRIG
LVL
and
TRACK
a
cursors
if
pressed
the
appropriate
number
of
times.
To
enable
either
or
both
of
these,
it
is
necessary
to
re-enter
the
Cursor
Volts
menu
and
reselect
them.
The
TRACK
MEASMT
cursors
are
also
turned
off
by the
CLEAR
DISPLAY
button,
but
the
function
Is
not
turned
off;
the
TRACK
MEASMT
cursor
(s)
will
be
displayed
again
when
a
CH
1/CH
2
Voltmeter
measurement
Is
called
up.
5-20
2247A
Operators
:
ra
c-