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MAN0889_Issue 3_03/13
Appendix A - Handheld Interrogator
A.5.1 Main Menu
This menu consists of the following sub menu options:
Display
Display gas and other unit readings.
Calibrate
I nstall and calibrate the system, force the analogue output, show the calibration coefficients
or show the instrument status.
Diagnose
Inspect the fault and warning logs, perform a self-test or perform a soft reset.
Config
Read the configuration parameters of the unit, update the user configuration parameters.
Chg Mode
Toggle the operating mode of the interrogator.
Power Off
Switch the interrogator off.
A.5.2 Display Menu
This sub menu displays gas and other unit readings. It has the following options:
Gas Reading
Display the gas type and system status.
Signal magnitude
Show the level of the sample and reference signals.
Dynamic Reserve
Shows the acceptable drop in signal level before beam block occurs as a percentage of the
current signal level.
S/W Version
Displays the system software version and the current time and date.
Gas Reading
Display the gas type and system status. The display is in the following format:
gggggggg
where:
rrrrrr
uuuu
/
Excel gggggggg
rrrrrr uuuu /
Gas name. For a special gas table this shows <Gnnn> where nnn is the
identifier.
Gas reading.
Measurement units.
This is a status character which indicates one of the following:
/ -
A spinning line shows the system is operating normally i.e. in a
fully active state.
| -
A stationery line shows the system is in an inactive state.
W -
Active Warning.
F -
Active Fault.
B -
Beam Block.
A -
Alarm
57
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