12: Maintenance Model 4200A-SCS Parameter Analyzer
12-2 4200A-901-01 Rev. C / February 2017
Front-panel display
Do not use sharp metal objects, such as tweezers or screwdrivers, or pointed objects, such as pens
or pencils, to touch the touchscreen. It is strongly recommended that you use only fingers to operate
the instrument. Use of clean-room gloves to operate the touchscreen is supported.
Cleaning the front-panel display
If you need to clean the front-panel LCD touchscreen display, use a soft dry cloth. If necessary, use a
cloth dampened with an ammonia-free glass cleaner. Do not spray cleaning fluids onto the display.
Adjusting the display
You can use the Front Panel Control option to adjust the brightness of the screen and to enable or
disable the touch screen.
The Front Panel Control option is in the Windows system tray at the bottom right of the screen.
Air intake ventilation screens
Your 4200A-SCS comes equipped with an internal axial fan for active cooling of the instrument
cards. Your instrument must be properly cooled to maintain optimum operating specifications.
There are three air inlets on your instrument: One on each side and one on the bottom.
Every six months or when a screen appears to be clogged, use a vacuum cleaner with a soft brush
attachment to carefully remove the accumulated particulates. The screens must remain unrestricted
to provide sufficient cooling airflow.
Never use compressed air to blow debris from the screens. Doing so can force particulates through
the screen and into the instrument.
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