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Instruction Manual
760008-A
September 2001
Rosemount Analytical Inc. A Division of Emerson Process Management Operation 3-3
Model NGA 2000 TO2
TO2 16.4 ppm
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Back…
-- Confirmation Required –
Do you really want to do this ??
Press “Yes” or “Back…”
TO2 16.4 ppm
Measure
Back…
-- Measurement Display Configuration --
Displayed concentration digits: 6
Digits after decimal point: 2
Module identification tag: TO2
Signal on mini-bargraph – 2: Temp. current
Signal on mini-bargraph – 3: Range
Signal on mini-bargraph – 4: Sensor current
Si
g
nal on mini-bar
g
ra
p
h – 1: Electrol
y
te level
the channels of the current Analyzer or
Analyzer module. F3 if available, F4 in the
single component display.
Lock – Changes to the main menu and
locks all three operation levels, if a secu-
rity code is enabled in the system configu-
ration. F4 in the main menu.
BasicCal – Change from the single com-
ponent display to the menu “Basic Con-
trols and Setup.” F5 in the single
component display. (See Section 3-40)
MFG Data – Change from the main menu
to the menu “Manufacturing Data” which
displays further submenus with informa-
tion about the control module and Ana-
lyzer module, such as address of the
manufacturer, serial number of the mod-
ules and software and hardware versions.
F5 in the main menu. (See Section 3-2e
and Figure 3-7.)
More – Changes to an additional menu
page of the current menu. F3 or F5 if
available.
ESCAPE/Back – Returns to the previous
menu. Usually F2 or F4. When changing
a variable, the previous value is displayed
above the Back button. Pressing the Back
button restores the previous value.
INFO – Context sensitive help screens for
the current menu.
c. Entering & Changing Variables
1. Select the variable line desired to be
changed using the ↑ key or the ↓
key. The selected line will be high-
lighted white on black.
2. Press the ↵ key and the parameter
will be selected for modification.
3. The F2 key changes to “Back…”
and the previous value of the vari-
able shows above it for easy refer-
ence. When the variable being
changed is numeric, the F4 key
changes to “+/-“ to allow changing of
the sign from positive to negative if
applicable.
4. Use the ↑ key or the ↓ key change
the entire value, scroll among the
available variables or change the
value of a selected digit or charac-
ter.
5. Use the ← key or the → key to se-
lect digits within a number. For
some variables the quantity of digits
or characters can be changed.
6. Press the ↵ key again to confirm the
new value.
Figure 3-3. Changing Variables
d. Starting a Function
Pressing the ↵ key or the → key while a
function line is highlighted will bring up a
confirmation menu as shown below.
Pressing the F2 key will start the function
immediately.
Pressing the F4 key will return to the pre-
vious menu page.
Figure 3-4. Function Confirmation