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• ROTATE the Panel Dim knob to illuminate
the console panel lighting and emission
gauge. Clockwise rotation of the Data Dim
knob increases the brightness of the CRT
screen.
• VERIFY the UHV and HIVAC indicator lights
on the console are lit (Green). If they are
NOT lit, PRESS the Vacuum System On
button and wait (20 to 30 minutes) until
the two lights come on.
• VERIFY the black rubber mat is covering the viewing
window and carefully FILL the anti-contaminator cold
finger dewar (cold trap) with liquid nitrogen. The first
dewar flask of the day should last ~30 to 40 minutes.
Later dewars will each last 2 to 3 hours. Do NOT allow the
cold finger to fall below 50% or to warm up as the column
vacuum will deteriorate significantly.
styrofoam cap on the top of the dewar.
• The CRT screen will display the CM200 status startup
page or, more likely, one of the Modes or Mode
Selection pages. If the Ready light (on the pushbutton
directly below the CRT screen, to the right) is lit,
pressing it will move the screen selection back in the
hierarchy of the pages. PRESS the Modes key to obtain
the Mode Selection page.
REPLACE the
2017.07.07
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