User Interface DF-745SG
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7 User Interface
7.1 Data Display Screen
The front panel display consists of the Graphical User Interface (GUI), as
displayed on the view screen in Figure 11 below.
Figure 11: Data Display Screen
The various elements of the main data display screen are as follows:
Alarm status indicator – ‘1, etc.’ denotes an alarm condition (if enabled),
‘OK’ denotes no alarm conditions (if enabled).
The Data Line, providing the most recent concentration measurement in
the large number display. This box will also provide indication of abnormal
operating conditions for each sensor.
A strip chart history of concentration measurements.
A ppb output range, for the analog outputs, as designated by the user.
Background gas as set by the user
The digital readout of moisture concentration will be over written with a warning if
any of the four moisture level or system alarms are tripped.
7.2 Keypad
The keypad allows the user to control all of the features of the analyzer. The
layout of the keypad on the front panel is represented in Figure 12.
The ‘
Menu
’ key activates the menu structure along the top of the GUI interface
on the view screen.
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