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Preparation for
Use-
2215A
Operators
CONTROLS, CONNECTORS,
AND INDICATORS
The following descriptions are intended to familiarize the
operator
with the
location, operation,
and function of the
instrument's controls, connectors,
and indicators.
DISPLAY, POWER,
AND
PROBE ADJUST
Refer to Figure 2-3 for
location
of items 1 through 8.
1
Internal
Graticule-Eliminates parallax viewing error
between the trace and graticule lines. Rise-time ampli-
tude and measurement points are indicated
at
the left
edge of the graticule.
2
POWER
Switch- Turns instrument power on and off.
Press in for ON
;
press again for
OFF.
3
Power Indicator-An LED that illuminates when the
instrument is operating.
4
FOCUS
Control-Adjusts
for optimum
display
definition.
Tektronix
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....
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5
PROBE
ADJUST
Connector-Provides an
approxi-
mately
0.5 V,
negative-going,
square-wave voltage (at
approximately
1 kHz) that permits an
operator
to
compensate voltage probes and to
check
operation of
the oscilloscope vertical system.
It
is not intended for
verifying the accuracy of the vertical
gain
or time-base
circuitry.
6
BEAM FIND
Switch-When held in, compresses the
display
to within the graticule area and provides a visi-
ble viewing
intensit
y to aid
in
locating off-screen
displays.
7
TRACE
ROTATION
Control-Screwdriver
adjust-
ment
used to align the crt trace with the horizontal
graticule
lines.
8
A
and
B INTENSITY
Controls-Determines the
brightness of
the
A and B Sweep traces.
2215A
::-:
l
.
... .
,
..
•
--
....
....
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4732-03
Figure
2-3.
Power and display
controls
and indicators and
PROBE
ADJUST
output.
2-3
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