thermo spectronic Helios Gamma Benutzerhandbuch Seite 44

WHITE LIGHT Page
The WHITE LIGHT feature is used to facilitate alignment of optical accessories
in the sample compartment.
When the INITIALISE function key is pressed the instrument will align the
grating so that the zero order diffraction passes through the sample
compartment. This provides a beam of white light which can be seen when a
white card or similar is placed in the light path.
When alignment is completed, pressing the STOP function key returns the
grating to its normal position and pressing the SETUP PAGE function key
returns to the Setup Page.
RECORDER Page
The Chart High and Chart Low parameters set the 0 to 1V full scale deflection
(fsd) on the analogue chart recorder output for each of the available
measurement modes.
*
CHART HIGH (ABS)
CHART LOW (ABS)
CHART HIGH (%T)
CHART LOW (%T)
CHART HIGH (I)
CHART LOW (I)
On startup, these limits are set to the maximum measurement ranges (as
shown above).
To reset the limits highlight the required parameter and press ENTER. Enter the
new value using the number keys and press ENTER.
GD Issue 1a (12/2000)
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SETUP
* RECORDER
: 3.000
: -0.200
: 200.0
: 0.1
: 99.9999
: 0.0000
English 39