Tektronix 2247A

x
cod
a
Operators Familiarization
(SET
SOURCE/
CHANNEL)
CHI
(SET
/SOURCE
CHANNEL)
=
CH.
cH2
CH2
cHs
CH3
CHa
CHa
ADO
ADD
(TO
/SOURCE
CHANNEL
MENU)
(BACK
TO
SOURCE/
CHANNEL
MENU)
Frequency Ratlo Measurement Channel Menus
(SET
START
CHANNEL)
cHI
(SET
STOP
CHANNEL)
CHI
CH2
CH2
CH3
CH3
CH4
CHa
ADD
ADD
(TO
STOP
CHANNEL
MENU)
(BACK
TO
START
CHANNEL
MENU)
Propagation
Delay
Measurement
Channel
Menus
Recalling
the
Last
Measurement
Mode
When
an
active
measurement
has
been
cleared,
either
by
pressing
the
CLEAR
DISPLAY
button
or
changing
the
Horizontal
MODE,
it
may
be
reactivated
without
using
the
Measurement
Menu
to
reselect
it.
Press
LAST
MEAS'MT
to
recall
the
last
selected
measurement
mode
if
no
measure-
ment
mode
Is
active.
The
LAST
MEAS'MT
button
may
also
be
used
to
reinitialize
an
active
measurement
mode.
A
press
of
the
button
cancels
the
active
measurement
and
then
recalls
It
in
its
initialized
state.
This
feature
is
useful
for
returning
VOLTS
cursors
and,
under
some
conditions,
TIME
cur-
sors
or
delays
to
their
Initiallzed
positions
after
they
have
been
adjusted
away.
The
measurement
channel
for
VOLTMETER,
CURSOR
VOLTS,
and
RISE
or
FALL
measurement
modes
Is
set
to
CH
1,
If
CH
1
Is
displayed,
otherwise
to
CH
2.
If
neither
CH
1
nor
CH
2
is
displayed,
CH
1
will
be
turned
on
and
will be
the measurement channel.
The
measurement
channel
for
single-channel
C/T
measurements
Is
set
to
the
lowest
number
displayed
channel
(can
be
CH1,
CH2,
CH3, CH4,
or
ADD).
Measurement
channels
for
TIME
measurement
modes
(ALT
and
B
Horl-
zontal
modes)
and
dual-channel
C/T
measurements
are
set
to
the
lowest
2247A
Operators
3-9