User's Manual

Table Of Contents
Parameter reference
SITRANS LR250 (FOUNDATION FIELDBUS)
Operating Instructions, 01/2014, A5E32221411-AB
173
Power-on Resets (4.8.)
Read only. The number of power cycles that have occurred since manufacture.
To view via AMS Device Manager see
Wear
under Maintenance & Diagnostics (RESOURCE)
(Page 102).
LCD Fast Mode (4.9.)
Note
LCD Fast Mode takes effect only after 30 minutes of inactivity. (Each time the device is
powered up, a further 30 minutes of inactivity is required.)
LCD Fast Mode affects Measurement mode only; it has no effect on Navigation mode.
Enables a faster rate of measurement from the device by disabling most of the display area.
Only the bar graph will be refreshed when LCD Fast Mode is set to ON.
Values
*
OFF
ON
LCD Contrast (4.10.)
The factory setting is for optimum visibility at room temperature and in average light conditions.
Extremes of temperature will lessen the contrast.
Values
Range: 0 (High contrast) to 20 (Low contrast). Default: 10
Adjust the value to improve visibility at room temperature and in average light conditions.
Change the value in small steps to ensure you can continue to read the display.
Secondary Value (4.11.)
Use the secondary value to capture the menu navigation path to any viewable parameter. Once
the navigation path is stored, the value of that parameter will be displayed in
Measurement
mode as the secondary value.
While in Parameter View of the current parameter [see
Parameter View
under LCD Display
(Page 39
)], press the decimal point key. This stores the path to the current parameter in the
Secondary Value, and displays the value for that parameter on the LCD display when in
Measurement
mode. See The LCD Display (Page 39) for an illustration.