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Operation
First Display for Scan Wavelength
Mode
Following is a description of the parameters on
the first display for scan wavelength mode. The
absorbance at the currently selected wavelength
appears in the first line of the display. You use
the display to set the new monitor wavelength,
sensitivities for output channels 1 and 2, and
peak width.
To display additional parameters for dual
wavelength mode, press the Next soft key.
Parameter(s)
at - - - nm (wavelength)
Sensitivities 1 & 2
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Description
Set the wavelength to be monitored before and after the
scan. You can acquire traces at this wavelength at two
different sensitivities. The default is 254 nm, and the valid
range is 190 to 700 nm.
Note: If the lamp saver option is enabled and you indicate
a wavelength not in the range of the currently lit lamp, the
detector lights the necessary lamp. (For the UV lamp, the
process of lighting the lamp takes about 30 seconds.) Allow
the baseline to stabilize before using the new wavelength.
See page
3-19
for information on the lamp saver option. By
default, the lamp saver option is enabled.
During the non-scan time, the detector can monitor and
display peaks at two different sensitivities on separate
output channels. Set these parameters to reflect the two
sensitivities you want to display. The default sensitivity
setting for output channels 1 and 2 is 0.01 AUFS. Valid
range is 0.001 to 2.0 AUFS.
For additional information on setting sensitivity, see
Appendix
C.
3
3-33
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