Operation; Operating The Device - Teledyne Meridian User Manual

6. Operation

6.1. Operating the Device

The LCD is the primary user interface (UI) of the device. The LCD displays continuous data on gas concentrations
and alarm conditions. It also provides access to the main menu. An optional device with no LCD (Blind LCD) is
available for remote locations. The device defaults to the text and numerical display upon power up. This display
shows real time data to (specifically, the current numerical value of gas concentration shown in engineering units).
WARNING: WHEN SETTINGS ARE CHANGED, BE SURE TO COMMUNICATE THOSE
CHANGES TO ALL AFFECTED PERSONNEL. FAILURE TO DO SO COULD RESULT IN INJURY OR
DEATH.
Use the supplied magnetic tool along with the 4 navigation keys (UP, ESCAPE, DOWN, and ENTER/MENU) to
navigate the LCD displays. You do not need to remove the cover of the housing to activate these keys. The mag-
netic tool works in close proximity to the four (4) keys. Additionally, the magnetic tool must be removed and
replaced to perform sequential key routines. Use a sweeping motion rather than an hitting move to activate the
keys.
Figure 6-1: Text and Numeral Display
devices' LEDs. Additionally.
Figure 6-2: Main Menu shows the main menu,
ing display, and Figure 6-4: Blind LCD
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shows the text and numerical display, as well as the navigation keys and the
Table 6-1: LCD Items and Descriptions
Figure 6-3: Graphical Trending Display
shows the blind LCD. See
USE AND DISCLOSURE OF DATA
prohibited.
UNIVERSAL GAS DETECTOR
lists these items along with their descriptions.
shows the graphical trend-
Section 5. Configuration &
MERIDIAN
OPERATION
Setup.
6-1