Operation
36
Agilent Cary 600 Series FTIR Spectrometers and Microscopes User’s Guide
Lights
There are two LEDs on the front of the spectrometer in the lower left
corner. The following table summarizes the LED behavior:
Table 3.
LED descriptions
Position Condition
Comment
Top — Power/Scan
Flashing yellow The spectrometer is initializing.
Solid yellow
The spectrometer has not correctly
initialized and needs attention.
Solid
green
The
spectrometer has initialized and is
ready.
Flashing
green
The
spectrometer is scanning.
Bottom — A/D
over-range
Off Normal
operation.
Flashing blue
The A/D exceeds its maximum value.
Reduce the sensitivity setting or increase
the beam attenuation.
Turning on the system and filling the Dewar
Spectrometer
CAUTION
This procedure applies to detectors requiring liquid nitrogen. Most instruments
are supplied with DLaTGS detectors, which do not require nitrogen cooling.
Always check the detector type and cooling requirements before performing this
procedure.
