E C O P H Y S I C S Operating Guide
CLD 780 TR / July 2000 38
and “NO.c (cont)“ are then shown under the respective headings in
the display.
– The units of measurement, ppb or counts/sec (cps), are indicated un-
der the heading “Unit“. The unit is selected by the user in window
(13).
– The type of signal filter in use is indicated under the heading “Filter“
(see windows (9) to (11)). This is selected in window (13).
The unit and filter settings only affect the data shown in the display and
output at the analog interface, but NOT the data which is output via
the RS232 interface. Data in all possible forms and at any time is out-
put by the analyzer via the digital interface after the appropriate
command has been received.
– “PWUP“, “O3UP“ and “DOWN“ appear when appropriate, as also
error and warning codes, as described in window (1).
The analytical basis of the “Continuous measuring mode“ is described in
detail in Appendix A5.
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