Preparation For Use—2213A 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.
M ) 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.
© 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.
( T ) FOCUS Control—Adjusts for optimum display
definition.
H j j 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.
BEAM FIND Switch—When held in, compresses the
display to within the graticule area and provides a visi
ble viewing intensity to aid in locating off-screen
displays.
C lj TRACE ROTATION Control—Screwdriver adjust-
ment used to align the crt trace with the horizontal
graticule lines.
f 8J INTENSITY Control—Determines the brightness of
y the sweep trace.
2-3
Figure 2-3. Power and display controls and indicators and PROBE ADJUST output.
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