Thermo Scientific Revco ULT-1390-10-A, Operating Manual

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4. If an adjustment is necessary, press the #1 button to move the pen to
the left or the #2 to move the pen to the right. The button must be
held about five seconds before the pen begins to move. Release the
button when the pen position matches the thermometer.
Note The felt-tip pen on the recorder requires periodic replacement.
Usually the ink will appear to fade before replacement becomes necessary.
Additional pen tips may be purchased from Thermo.
s
6-8 Revco CxF Thermo Scientific
Section 6
Factory Installed Options
Calibrate Chart Recorder
(continued)