XDT User’s Manual Appendices
Appendix B: Flow Diagram of Set-Up State User Interface
installed
MODE key depressed
SET
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SETSEN/XT1units | |
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| sensor type |
SET | DB/ |
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Lo |
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| changes by 0.01 db |
SET
Lo |
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DEWPOINT | |
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SETCAL/ADJchanges by 0.1˚C | |
SET0.A24.O.OR/SPN/4.20 | |
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| selection |
LOC
Choose alternate units to show when displaying dewpoint.
blank ˚F |
| ˚C |
| ppm LBS |
| G/m3 PSI |
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| ˚C˚F |
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| Temp˚F Temp˚C |
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Factory default is blank, (there is no alternate display). |
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| DB | Choose sensor type | CAUTION! These are set properly at the factory with the shipped sensor. Do not modify these settings, unless you are changing the sensor. |
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| attenuation of |
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| Set measured attenuation at a known low dewpoint | ||||||
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| Set low dewpoint for above attenuation | |||||
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SET |
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| 3 seconds shows the |
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| dewpoint for a moment. | Calibration Midrange Adjust. | |||||||||
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changes by 0.01 units
Select Span of Analog output: 0 to 24mA or 4 to 20mA
go to
Operating
State
Displayed only if Analog Output option is
Hi/Lo AA..OO../RNG//TST |
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| Hi/Lo A.O./OPN | Test Analog Output by forcing it to | |
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| high, low or midpoint. |
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| (E. G. if Span is 4 to 20, Hi =20mA, Lo=4mA, Mid=12mA) | |
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| Current Loop | ||
| A.O./RNG/ |
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| OK | Output | Circuit |
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| Hi Lo Mid |
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SET |
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Lo | value ˚C |
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| Set dewpoint corresponding to low end of analog output | ||
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| Factory default is low range of sensor, e. g. | |
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SET
Hi UN/LOCvalue ˚C
{ changes by 0.1˚C
SETCNF/CBL/OPN | SET |
SET |
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Un- Lock |
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Lock |
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ResetsOPNthe instrument
Set dewpoint corresponding to high end of analog output
Factory default is high range of sensor, e. g. +20˚C for
Lock or unlock the instrument.
When locked, instrument parameters can not be changed.
Factory default is locked.
Cable Length Compensation.
SETCNF/CBL/SHR SET SHR SETCNF/CBL/OPN SET OPN SET END
Open cable at BNC connector Short cable at BNC connector | Open cable at BNC connector |
Legend: A slash '/' in the display area, is used to depict two alternately shown (flashing back and forth) messages. 
denotes beeping. Buttons without designator or arrow leading out, perform no function
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