Operating Instructions; Using The Keyboard; Turning The Input Channels; Auto Setup - Tektronix T202 Operator's Manual

Portable oscilloscope
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. .
Audible Tone
Each time a front panel key is
pressed
,
a single
or
a double audible beep is
generated
.
A single beep
indicates a valid
selection,
a
double
beep indi-
cates an Invalid keystroke
or
the chosen selection
was not compatible with the preceeding keystroke
commands. A single
beep is also heard
when the
logotype
"
TEKTRONIX
"
is
displayed
on
the
screen
.
3-2
OPERATING INSTRUCTIONS
Using the Keyboard
This
section will familiarize the
first
-
time
user with
the capabilities
of the
instrument
.
The following
operating procedure describes the sequence
in
which
the keys are used to perform a particular
mode of operation
.
The keyboard commands are
displayed
in
the instruction message on
the
display
unless noted.
Turning the Input Channels On/Off
NOTE
When the
instrument is
first turned on
the word
"
TEKTRONIX
"
will be dis-
played for approximately 30
seconds
or
until a front panel key is pressed
.
To turn Channel 1 and Channel 2 on
,
slide
the se-
lected Channel
Input Coupling
switch
( s) to the AC,
GND
,
or DC position
.
To turn a
selected
input channel off
.
or the instru-
ment
off
(both
channels off)
,
slide the selected In-
put Coupling
switch ( s) to the OFF position
.
Auto Setup
The
Auto
Setup mode automatically presets the
channel
sweep speed
,
trigger parameters
,
and
cursors
.
It will preset the display vertically with re-
spect
to ground and return the vertical amplitude
to
its calibrated Volts per Division switch
setting
.
Press
:
I
AUTO
SET
i
Display
:
AUTO SET
4-1

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