22 LST300 | COMPACT ULTRASONIC LEVEL TRANSMITTER | LST300–EN REV. E
6 Configuration
Operation
The LCD display is provided with optional capacitive control
buttons. When this option is selected, device control through
the glass of the closed cover is enabled.
The default instrument offers standard push buttons.
IMPORTANT (NOTE)
When the capacitive control button option is selected, the
transmitter automatically calibrates the buttons on a regular
basis. If the cover should be opened during operation, the
button sensitivity is increased at first. As a result, operating
errors may occur. The button sensitivity returns to normal
during the next automatic calibration.
Menu navigation
1
Figure 22 LCD indicator
Control buttons for menu navigation
Menu name
Menu number
Marker for indicating relative position within the menu
Functions currently assigned to the
and control buttons
Control buttons
Meaning
Exit Exit the menu
Back Go back to the upper level menu
Cancel Cancel a parameter entry
Next Select the next position for entering numerical and
alphanumeric values
Meaning
Select Select a submenu or parameter
Edit Edit parameter
OK Save the entry
Menu levels
Two levels exist under the process display.
Figure 23 Menu levels
Process display Display process data
Information level Access diagnostics and operator pages
Configuration level Configure the device
IMPORTANT (NOTE)
For a detailed description of the individual parameters and
menus on the configuration level, refer to section “Overview of
parameters on the configuration level” and section “Parameter
descriptions”.
Process display
Figure 24 Process display
Present process values
Symbol indicating button function
Symbol indicating “Parameterization protected”
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