Teledyne 4040 - Methane / Nonmethane analyzer - Manual (Page 47)

Operation
Teledyne Analytical Instruments 47
5. When the selected option is a function on the MAIN MENU
or any SUB MENU screen (the menu name appears with a
flashing arrow next to it), the ESCAPE key is used to return
to the parent menu finally returning to the ANALYSIS
SCREEN
the function.
If the selected option is a modifiable item (value is flashing), The
ESCAPE key is used to escape to the parent menu without saving the
value. The value will revert to the original before modification (if any).
4.5 Menu Structure
The 4040 screen setup consists of several classes of screens and
items. No item occupies more than 1 line. It is important to read and
understand the NAVIGATION AND DATA ENTRY section to fully
understand the menu structure.
The ANALYSIS SCREEN displays the following:
LINE 1:
- Analysis values for CH4 and NMH alternating every 2
seconds
- Alarms, if present, dashes if not ("AL –2" means alarm
2 has been triggered, "AL 1-" means alarm 1 has been
triggered). If in Span calibration, Alarm display is replaced
with the message "SPAN".
LINE 2 (display mode 1):
- Current analysis mode
- Dynamic (real time) FID input level
- Time spent in mode
- Range
- Activity
indicator
LINE 2 (display mode 2):
- Current analysis mode
- Analysis TOTAL AREA from most recent pass of
current mode, identified by the units 'vS' – volt Seconds (the
alternate mode TOTAL AREA is shown while the ESCAPE
key is held down).
- Time spent in mode