beautypg.com

7 user interface, 1 data display screen, 2 keypad – Delta Faucet NANOTRACE DF-745 User Manual

Page 39

background image

User Interface DF-745

35

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 18 below.

Figure 18: 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.

Gas pressure within the moisture cell.

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 19.