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Use this option to tell the SpectraWiz software where the
new hardware interface has been set. Once the new port has
been selected from the menu the Windows registry is updated.
An option box for the LAVA PCI adapter appears on this panel
(EPP-PCI card). Check the LAVA box if this is the interface
that you have installed (and NOT if your using the Quatech
SPP-100 (EPP-PCMCIA card) or the computers integrated
printer port). Under Win9x these cards need a port address
matching the device managers port resource. This is
not required for Win2000 or WinXP because port selection
is provided by the driver.
For USB operation with the StellarNet USB2EPP cable,
the port address is not used.
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Unit calibration coefficient:
This allows the setting of the wavelength calibration co-
efficients for the spectrometer(s) in use. In addition the
user selects the physical unit address for each LU (Logical
Unit) handled by the display graph. For multiple unit
applications this allows simple configuration.
Pressing enter will make no changes. The coefficients are
determined from a least squares fit to a second order poly-
nomial which can be performed by any spreadsheet program
if you have a set of data points.
Using a wavelength standard such as a low pressure mercury
argon lamp, known emission lines can be read at various
pixel locations and used for calibration as described above.
The first, second, and third co-efficients are taken from the
calibration label attached on each unit and may be input
exactly as read at the c1, c2, and c3 software prompts.
If the calibration is NOT installed the wavelength X axis
will not be set correctly and the data cursor wavelength
readout will be incorrect.
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Warning message Enable: checked=enabled
Allows user to disable/enable the message that indicates tha a
new dark save is needed. This occurs when new detector in-
tegration rates, samples to average, or pixel smoothing is
changed by the user.
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