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NGA 2000
90003482(2) [NGA-e (MLT-Software 3.2.X)] 07/98
Via the F5 key you can change to the menu "Set Gas Valves", where you can
♦ set up the gas flow of the current channel with
• zero gas or
• span gas or
• sample gas or
• test gas or
• close all valves.
Starting the functions:
♦ Change to the line you want with the ↑↑ -key or the ↓↓ -key.
♦ Press the 88 -key or the →→ -key or
cancel and go back to the last menu page with the F4 key (Back...) or the ←← -key.
♦ If asked: Confirm with the F2 key (Yes) or
cancel and go back to the last menu page with the F4 key (Back...) or the ←← -key.
Notes:
♦ The signal has to be stable before starting any calibration !
♦ The last five lines of the menu "Analyzer Module Calibration" resp. the last two lines of
the menu "Set Gas Valves" are information lines.
♦ The menu "Analyzer Module Calibration" is the same as the menu "Analyzer Module
Calibration" of the "Basic Controls" (see sections 4.4 to 4.11), including all submenus.
So, the calibration and gas flow procedures are analogous to the descriptions in the
sections 4.5 to 4.11.
♦ If you want to calibrate or set up the other channels of an MLT analyzer or analyzer
module, you have to change the channel with the F3 key. If you want to start the zero
and/or the span calibration for all channels simultaneously, you have to change to the
menu "Advanced Calibration Methods" (see p. 5-18).
♦ If you want to calibrate the measurement ranges separately with span gas, you have to
set up "Separately" in the line "Span ranges" of the menu "Calibration Procedure
Setup" (see p. 5-11).
♦ Via the F2 key you will reach the menu "Analyzer Channel Status". In that menu and
its corresponding submenus you will find the status report of the current channel for
• Failures
• Maintenance requests
• Function controls
• Measurements/Alarms
• Events
• Hours of operation
and the operational settings of the current channel like
• range settings and
• response time (t
90
-time).
The menu "Analyzer Channel Status" and its submenus are displayed detailed in
section 4.1.