Toggle Tr/Ro Switch; Focus Control; Beam Find Switch; Power On/Off Switch - Tektronix 2212 User Manual

Display
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TOGGLE TR/RO Switch
With the TOGGLE TR/RO switch you can select the Trace
intensity control (TR) or the Readout intensity control (RO),
including the cursors and reference waveform.
The crt readout display indicates how the instrument
controls are set up, displays the cursor measurement value
and displays the trigger level value. No physical markings
are on the rotating switches and control knobs to indicate the
control setting.
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FOCUS Control
The FOCUS control adjusts the trace for optimum display
definition. Once set, proper focusing is maintained over a wide
range of display intensities.
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BEAM FIND Switch
The BEAM FIND switch compresses the vertical and horizontal
deflection to within the graticule area. The traces are intensified
to aid the user in locating traces that are overscanned or
deflected outside the crt viewing area.
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POWER ON/OFF Switch
The POWER ON/OFF switch turns the instrument power on or
off.
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POWER On Indicator
The Power On indicator lights up when the power is turned on.
2212 User Manual
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