Tektronix 2246 User Manual

Controls,
Connectors,
and
Indicators—
2246
Operators
error
message
“CH
1
(or
CH
2)
—
SELECT
DC
COUPLING”
to
appear.
DC-—-Couples
de
and
all
frequency
components
of
the
input
signal
to
the
vertical
attenuator
when
the
DC
button
light
is
on.
Turning
on
DC
coupling
turns
off
AC
coupling.
With
DC
Coupling
selected,
a
DC
symbol
(==)
appears
on
the
right
side
of
the
associated
VOLTS/DIV
readout
display.
Input
resistance
is
1
MQ
to
ground.
See
Figure
3-3
for
items
18
through
23.
3-4
CH
1
OR
X
and
CH
2
Input
Connectors-—
Connect
external
signals
to
the
inputs
of
Channel
1
and
Channel
2
vertical
attenuators.
The
input
connectors
are
BNC
type
with
an
outer
contact
ring
for
the
probe-code
recognization
circuit.
in
X-Y
mode,
the
signal
applied
to
CH
1
OR
X
Input
Connector
produces
the
horizontal
deflection
(X-
Axis).
Any
of
the
vertical
signal
channels
or
ADD
Tektronix 2246
may
be
selected
to
provide
the
vertical
deflection
(Y-Axis)
for
an
X-Y
display.
CALIBRATOR
Connector—Outputs
a
0.5
V
square-
wave
signal
at
a
frequency
of
approximately
1
kHz
for
use
in
compensating
voltage
probes
and
check-
ing
the
vertical
deflection
accuracy.
Auxiliary
Ground
Jack—-Provides
an
auxiliary
signal
ground
connection
between
the
equipment
under
test
and
the
oscilloscope.
Hookup
is
made
via
a
banana-tip
connector
on
the
front
panel.
Channel
3
and
Channel
4
POSITION
Controis—Set
the
vertical
position
of
the
Channel
3
and
Channel
4
signal
displays.
Clockwise
rotation
of
a
control
moves
the
associated
trace
upward;
counterclockwise
rotation
moves
the
trace
downward.
When
in
X-Y
mode,
the
associated
Vertical
POSITION
control
moves
the
display
vertically.
Figure
3-3.
Vertical
connectors
and
CH
3
and
CH
4
Controls
and
indicators.
co arc EEN EASIEST

Tektronix 2246 Specifications

General

Brand	Tektronix
Model	2246
Category	Test Equipment
Language	English