Customization
Definitions 5
5.6 Definitions
This section describes all of the Items that may be customized with the Customization software. It is split into two sections matching the two screens.
CUSTOMIZATION ITEMS
Power Down Interval
The power down interval is used to specify the number of minutes the 35360A TRACKER Display remains powered during periods of inactivity. If the 35360A TRACKER Display senses no operator input in the form of a key press, exposure, or
Temperature Units
This Item provides a selection of temperature scales for use on the 35360A TRACKER Display's Air Density screen. The choices are: Celsius, Fahrenheit, and Kelvin.
Pressure Units
This Item provides a selection of pressure scales for use on the 35360A TRACKER Display's Air Density screen. The choices are: millimeters of mercury (Hg), inches of mercury, feet from sea level, meters from sea level, millibars, and hectoPascals.
Optional Message
Text entered for this Item will appear on the bottom line of the 35360A TRACKER Display's Test screen. The Item is limited to a maximum of 20 characters.
Ion Chamber Calibration Units (ICCU)
The Ion Chamber Calibration Units Item defines the units in which the ion chambers in the 35300A Detector were calibrated. The default is roentgens per nanocoulomb.
This means that the Ion Chamber Calibration Factor (ICCF) given on the Display Calibration Items screen MUST be in units of R/nC. Choices for units are roentgens per nanocoulomb, grays per nanocoulomb, sieverts per nanocoulomb, and rads per nanocoulomb.
Display Units
The Display Units Item defines the units in which measurements will be displayed on the 35360A TRACKER Display screen. The choices are roentgens, grays, sieverts, rads, and monitor units. The default is rads.
Display Units Conversion Factor (DUCF)
The 35360A TRACKER Display uses the Display Units Conversion Factor (DUCF) Item to convert the output of the ion chambers (in units defined by the Ion Chamber Calibration Units) to the units required for display (defined by Display Units).
IMPORTANT
You must set the Display Units Conversion Factor correctly and accurately to convert the ion chamber output to displayed units. The default is 0.879 rads/R.
