Tektronix 2247A

Operators Familiarization
Behavior
for
Horizontal
Mode
Changes
If
the
Horizontal
MODE
Is
changed
to
a
mode
that
cannot
be
used
for
the
actlve
measurement,
that
measurement
will
be
canceled
without
a
message
being
displayed.
Returning
to
a
mode
that
may
be
used
and
pressing
the
LAST
MEAS'MT
button
will
restore
the
canceled
measurement
mode
(if
no
other
measurement
selection
is
made
first).
See
Table
3-1
for
compatible and incompatible modes.
Gated-voltage
measurements
will
not
run
In
SGL
SEQ
Trigger
MODE.
Any
gated
Volts
measurement
that
Is
active
will
be
canceled
if
SGL
SEQ
Trigger
MODE
Is
selected.
If
a
gated-voltage
measurement
Is
selected
while
SGL
SEQ
Is
also
selected,
the
message
“NOT
ALLOWED
IN
SSEQ”
is
displayed
for
two
seconds
(only
if
readout
is
configured
to
remain
on
In
SGL
SEQ).
+PEAK,
-PEAK
and
PK-PK
will
not
run
in
ALT
or
B
Horizontal
MODE
unless
B Trigger MODE
Is RUNS
AFTER.
Table 3-1
Behavior
for
Horizontal
MODE
Changes
Measurement
Mode
Compatible
Incompatible
Horizontal
Horizontal
Modes
Modes
l—
VOLTS
-,
7
VOLTS
>I
A,
ALT,
B,
XY
le
SEC
-A,
ke
1/SEC
>,
I
PHASE
-4
A,
ALT,
B
x-¥
Dc
A,
X-Y
ALT,
B
+PEAK,
-PEAK,
PK-PK
A,
ALT,
B,
X-Y
GATED
+PEAK,
GATED
-PEAK,
A
ALT,
B,
X-Y
and GATED PK-PK
FREQ,
PERIOD,
WIDTH,
TOTALIZE,
A
ALT,
B,
X-Y
and
FREQ
RATIO
GATED
C/T
(FREQ,
PERIOD,
WIDTH,
A
ALT,
B,
X-Y
and
EVENTS)
RISE/FALL
and
PROP
DELAY
A
ALT,
B,
X-Y
3-32
2247A
Operators
Ean
Eo
Ea
co