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XDT User’s Manual Appendices
39
Appendix B: Flow Diagram of Set-Up State User Interface
Hi/Lo
SET
SET
SET
Lo
Lo
Lo
Hi
SET
SET
SET
SET
SET
SET SET SET SET
SET SET SET
SET
Test Analog Output by forcing it to
high, low or midpoint.
(E. G. if Span is 4 to 20, Hi =20mA, Lo=4mA, Mid=12mA)
Set measured attenuation at a known low dewpoint
Set low dewpoint for above attenuation
Calibration Midrange Adjust.
Set dewpoint corresponding to low end of analog output
Factory default is low range of sensor, e. g. -100˚C for XTR-100
Factory default is high range of sensor, e. g. +20˚C for XTR-100
When locked, instrument parameters can not be changed.
Factory default is locked.
Set dewpoint corresponding to high end of analog output
Lock or unlock the instrument.
Cable Length Compensation.
blank ˚F ˚C ppm LBS G/m3 PSI % ˚C˚F Temp˚F Temp˚C
Choose alternate units to show when displaying dewpoint.
Choose sensor type
XTR-100 XTR-65
measure
attenuation of
sensor
if no buttons pressed for
3 seconds shows the
dewpoint for a moment.
SET
Select Span of Analog output: 0 to 24mA or 4 to 20mA
Factory default is blank, (there is no alternate display).
CAUTION! These are set properly at the factory
with the shipped sensor. Do not modify these
settings, unless you are changing the sensor.
˚C
˚C˚F
DEWPOINT
value ˚C
value ˚C
Hi/Lo
appears when changing
settings of locked unit
Resets the
instrument
Open cable at BNC connector
Open cable at BNC connectorShort cable at BNC connector
Displayed only if Analog Output option is installed
Power ON initialization
and sign on message
4 min anywhere without
key press
{
sensor type
{
changes by 0.01 db
{
changes by 0.01 units
{
changes by 0.1˚C
{
changes by 0.1˚C
changes by 0.1˚C
{
units
{
selection
Power-Up with
MODE
key depressed
{
Un-
Lock
Lock
Hi Lo Mid
Test
Current Loop
Output
OK
Circuit
Open
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
go to
Operating
State