Tektronix 2221 User Manual

Section
52221
Operators
C
Л
n
П
n
П
OPERATOR'S CHECKS
AND ADJUSTMENTS
Horizontal
П 7
To
verify the
operation and
basic
accuracy
of
your
instrument
before
making
measurements
,
perform the
fol
lowing
checks
and
adjustment
procedures
. If
adjustments
are required beyond the scope of these operator's checks
and
adjustments , refer the
instrument
to
qualified
service
personnel .
SEC / DIV
Var Sec / Div
POSITION
X10
Mag
0.5
ms
CAL
(
in
detent )
Midrange
Off ( Var Sec /
Div knob in )
Trigger
VAR HOLDOFF
Before proceeding with these instructions , refer to Sec
tion 2 , " Preparation for Use , " to prepare the instrument
for the
initial
start
-
up
before
applying
power . A
complete
instrument
Performance
Check
can
be
found
in
Appendix
A of this
manual
.
INT
SOURCE
Mode
LEVEL
NORM
(
fully
counterclockwise
)
VERT MODE
INT
P - P AUTO
For a
stable
display
(
with
signal
applied
)
OUT : ]
OFF INITIAL
SETUP
SLOPE
HF
REJECT
1.
Verify that the
POWER
switch
is
OFF (
switch
is in
the out
position
) ,
then plug
the
power
cord
into the
ac
power
outlet
.
Storage
STORE /
NON
-
STORE
NON -
STORE (
button
out )
2.
Press in the
POWER
switch ( ON ) and
set the
instru
ment
controls
to
obtain
a
baseline trace :
3. Adjust the INTENSITY and FOCUS controls for the
desired display brightness and best focused trace .
Display
Л
1 П
nn
Л
П
П
T
П
П
П
П
П
4. Adjust the Vertical and Horizontal POSITION con
trols to
position the
trace
within
the
graticule area .
INTENSITY
STORE / READOUT
INTENSITY
FOCUS
Midrange
Midrange
( with
READOUT
toggled
on
)
Best
defined
display
5.
Allow the
instrument to
warm
up
for 20
minutes
before commencing the adjustment procedures . Reduce
the
INTENSITY
levels
during the
waiting
time
.
Vertical (
Both
Channels )
TRACE
ROTATION
ADJUSTMENT
NOTE
VERTICAL MODE
POSITION
VOLTS / DIV
AC - GND -
DC
Var Volts / Div
BW LIMIT
X
-
Y
Display
CH
1
Midrange
50
mV
DC
CAL (
in
detent
)
Off
(
button
out )
Off
(
button
out
)
o
Normally , the trace will be parallel to the center
horizontal graticule line , and TRACE ROTATION
adjustment is
not
required
.
5-1

Tektronix 2221 Specifications

General

Brand	Tektronix
Model	2221
Category	Test Equipment
Language	English