Thermo Scientific Nicolet Continuum, User Manual

Page: 157 / 195

Continuµm User Guide 153
Symptom Possible Cause Solution
No signal appears in the
Bench tab live display
available through Experiment
Setup,
continued…
The spectrometer is powered
OFF.
Verify that the spectrometer power is ON
and that the power supply and power cord
are firmly seated and connected to an AC
source (working wall outlet or power strip).
Image, as seen through the
eyepieces, is blurred
Microscope is not focused.
Center the condenser and focus objective and
the condenser.
See
“Preparing the optics” in
the “Preparing the Microscope” chapter.
Compensation ring on infrared
objective or condenser is set
incorrectly.
Set the compensation rings to match the
thickness and refractive index of the
compression cell windows, substrate and/or
superstrate. If the sample is free standing, set
the compensation rings to 0.
Illumination is not adjusted
properly.
Adjust Reflex aperture illuminator and
appropriate aperture and field irises.
See
“Initializing the Reflex aperture” in the
“Preparing the Microscope” chapter.
Infrared polarizers are in place.
Remove the polarizers. See “Polarization
options” in the “Advanced Techniques”
chapter.
Stage bumped the condenser or
objective.
Center and focus the condenser and focus the
objective. See “Preparing the optics” in
“Preparing the Microscope” chapter.
When you are finished, run the Noise Test in
transmission and reflection modes.
See
“Testing microscope performance” later in
this chapter if you need help.
If the image cannot be brought into sharp
focus, performance has dropped off, or the
Noise Test fails, contact technical support.
No image is seen through the
eyepieces.
Illuminators are improperly
adjusted.
Adjust the illuminator intensity.
See
“Preparing the optics” in “Preparing the
Microscope” chapter if you are unfamiliar
with the illumination controls.
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