Controls,
Connectors,
and
Indicators
Introduction
The following descriptions are intended to familiarize the operator with the
location and function of the instrument's controls, connectors, and indicators.
All continuously variable controls, except FOCUS, TRACE ROTATION,
ASTIGMATISM, and SCALE ILLUMINATION have fine resolution for a portion of
their rotation after each reversal. Continued rotation in the same direction gives
progressively coarser resolution.
Power
And
Display
Refer to Figure
5-1
for the location of items
1
through 10.
( 1J INTENSITY Adjusts the brightness of the waveform.
©
0
©
Control
(2J BEAM FIND Limits the CRT deflection both vertically and horizontally
Button to within the graticule. Display intensity is not affected
by the BEAM FIND button.
FOCUS Adjusts the CRT writing beam for optimum display
Control definition.
TRACE Aligns the no-signal trace with the horizontal graticule
ROTATION lines. Relocating the instrument to a different magnetic
Control ambient may result in slight misalignment of the trace
and graticule, indicating a need to readjust the TRACE
ROTATION control, using a screwdriver.
READOUT This control adjusts the intensity of the CRT readout
INTENSITY display and will either enable or disable the display of
Control scale factors. Digital measurements, Save/Recall
readouts, the "50 fl OVERLOAD" message, the
available Counter/Timer/Trigger
(CTT)
menu,
and the
available Television/Video
(TV)
function indicators are
always enabled.
2465B/2455B/2445B Operators
5-1
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