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M400E Ozone Analyzer Operator’s Manual Getting Started
3. GETTING STARTED
3.1. MODEL 400E ANALYZER LAYOUT
MODE FIELD
KEY DEFINITION FIELD
MESSAGE FIELD
STATUS LED’s
KEYBOARD
ON / OFF SWITCH
FASTENERFASTENER LOCKING SCREW
CONCENTRATION FIELD
Figure 3-1: M400E Front Panel Layout
Table 3-1: Front Panel Nomenclature
NAME SIGNIFICANCE
Mode Field
Displays the name of the analyzer’s current operating mode
Message Field
Displays a variety of informational messages such as warning messages, operational data, test function
values and response messages during interactive tasks.
Concentration
Field
Displays the actual concentration of the sample gas currently being measured by the analyzer in the
currently selected units of measure
Keypad
Definition Field
Displays dynamic, context sensitive definitions for the row of keys just below the display.
STATUS LED’s
NAME COLOR STATE DEFINITION
SAMPLE Green
Off
On
Blinking
Unit is not operating in sample mode, iDAS is disabled.
Sample Mode active; Front Panel Display being updated; iDAS data being stored.
Unit is operating in sample mode, front panel display being updated, iDAS hold-off mode is ON,
iDAS disabled
CAL Yellow
Off
On
Blinking
Auto Cal disabled
Auto Cal enabled
Unit is in calibration mode
FAULT Red
Off
Blinking
O
3
warnings exist
Warnings exist
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