Tektronix 2236 User Manual

Preparation For Use - 2236 Operators
tion of the second intensified zone is determined by
the A TIME POSITION control . The time difference
between the start of the two intensified zones is
displayed
on
the
readout .
C
DLY TIME - Measures and displays on the read
out the time difference between the start of the B
Sweep
( B DLY'D
SWEEP ) and the start
of the A
Sweep in
ALT and
B
HORIZONTAL
MODE .
П
П
П
П
П
n П
П
Л
TIONS - LOWER FUNCTIONS switch to IN and
pressing in the
FREQ , PER
, and
WIDTH
buttons
at
the same time . The message “ SELF ESt ” will be
displayed on the readout to indicate that the rou
tine is in self test mode . To exit from the routine
press in any of
the CTM front
panel buttons
to
re
gain
normal
measurement mode
.
Repeated
press
ing of the SGL SWP RESET button will cause the
CTM to advance through the test menu . To exit
from the test menu , keep pressing the SGL SWP
RESET
button until “ End S -
t "
message is
dis
played
on
the readout
. Then exit
from the Self
Test
routine by
pressing in any one
of the CTM
front
panel buttons . Self Test routine should normally be
performed by a qualified service personnal .
CH 1 V - Measures de voltage or true ac rms volt
age signals
applied
to the
CH 1
OR X
&
DMM verti
cal input connector . For de voltage measurements
set the Channel 1 Input Coupling switch to DCV
position , and for true ac rms voltage measure
ments set the Channel 1 Input Coupling switch to
the AC RMSV
position . There
is no
autoranging ;
CH 1 VOLTS / DIV switch selects the range for the
CTM voltage
measurements . The
readout will indi
cate the measuring mode the CTM is in by display
ing an “ Ac ” or “ dc " on the left side of the voltage
reading
. In
overrange
condition
the readout
will
dis
play
the
word
" OUCH
" .
37 A TIME
POSITION
Control
- Used
in
conjunction with
the B DELAY TIME POSITION control in A TIME
mode . The control determines the time difference be
tween the starts of the two intensified zones .
П
nn
n П
П
In CH 1 V
mode , the
CTM has
the
capability of
storing a relative reference value , such that the dis
played value is the input voltage minus the stored
reference value . When either Channel 1 AC RMSV
or DCV volts are first entered , the stored reference
value is zero , and the Channel 1 input voltage is
displayed
directly . To set
the
reference value ,
press in the SGL SWP RESET button momentari
ly , and the value on the readout becomes the
stored
reference
value . To
regain normal
voltage
measurement
press again
the SGL SWP
RESET
button
momentarily
or
change
the
CH
1
VOLTS
/
DIV
switch
position
.
38 Readout — Consists of a nine - digit vacuum fluorescent
unit which is used to display measurements selected
by the CTM . No polarity indication is displayed for
positive values . Negative polarity indication is auto
matic for negative values . In Counter and Timer
modes the decimal point is always placed in one of the
three most significant digits , and the exponent is al
ways an integer
multiple of 3.
Resistance measure
ments are
also
displayed with an
exponent
. All
frequency measurements are in Hertz , and time mea
surements are in seconds .
RIGHT SIDE PANEL
Refer to Figure 2-8 for location of item 39 .
AC RMSV -
Measures
the
true ac rms
value of the
input signal applied to the Multimeter inputs , from
O V to 349.9
V rms . The
word " OUCH
” is
displayed
if 350 V or more is applied to the Multimeter input
connector
.
39
Multimeter
Connectors
-
Two
banana like
jacks
pro
vide positive ( red ) and negative ( black ) inputs for volt
ages , resistance , and temperature measurements .
TEMP —
Measures temperature in
degrees Celsius
° C
when the
TEMP
button is
pressed in , or
de
grees Fahrenheit
° F when both
TEMP and A TIME
buttons are pressed in . Temperature readings fol
lowing by ° C or ° F are displayed on the CTM
readout
.
REAR
PANEL
Refer to Figure 2-9 for location of item 40 .
П A
П
П
П
1 } } < 512 ( Continuity ) — Press in both AC RMSV
and
TEMP
buttons for
continuity
measurements .
For resistance readings below 5.012 the word
“ Short ” is displayed and an audible tone will be
generated . For resistance readings greater than or
equal to 5.01 , the word “ OPEN ” is displayed .
40 EXT Z -
AXIS
Connector —
Provides
a
means of
con
necting external signals to the Z - axis amplifier to in
tensity modulate the crt . Applied signals do not affect
display waveshape .
Signals with fast rise
times and
fall times
provide
the
most
abrupt intensity
change ,
and a 5 - V p - p signal will produce noticeable modula
tion . The Z - axis signals must be time - related to the
display to obtain a stable presentation on the crt .
Self Test Routine — The CTM can be entered into a
Self Test routine by setting the UPPER FUNC
1
Л
2-9

Tektronix 2236 Specifications

General

Brand	Tektronix
Model	2236
Category	Test Equipment
Language	English