Teledyne Analytical Instruments LXT-380, Instructions Manual

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Operation LXT-380 Universal Transmitter
Teledyne Analytical Instruments
18
3.1.1 HOME/EXIT KEY
The HOME key performs two functions, it selects which Home
Screen is displayed and it returns the active screen to the HOME Menu
Screen from anywhere inside the menu structure.
Three Display screens are available:
1. DATA SCREEN : Displays the measurement
type, numerical value, engineering Units, %
Output of the 4-20 mA channel and temperature.
2. mV SCREEN : Displays the measurement type,
the sensor’s raw millivolt Value, % Output of
the 4-20 mA channel and temperature.
3. GRAF SCREEN : Displays a Graphical
representation of the 4-20 mA channel %
Output, the measurement type, the engineering
units, and temperature. Only one of the three
graphical display styles is available through the
HOME key, either the Bar, Gauge or Line
display. Choose which style will be displayed in
the Graph Menu. (pathway to Graph Menu:
CONFIG → XMTR → LCD → Graph menu)
Each of the above screens also displays the
condition of the optional Alarm Relays, black if energized and white if
de-energized.
The HOME key changes to the EXIT key in the HOME Menu
Screen, pressing EXIT prompts the user to “Save Changes” YES/NO
when exiting the HOME Menu. YES applies any changes made in the
menus, NO exits the HOME Menu without applying any changes made
in the menus.
3.1.2 BACK/HOLD KEY
The BACK key changes the screen to the
previously displayed screen when inside a menu, it
moves BACK one screen. On a dual channel
transmitter it toggles between the PV1, PV2 and Dual
Channel Screens. The
HOLD key toggles the output