Vega VEGAPULS 67 Operating Instructions Manual page 45

Display - Backlight
Diagnostics - Device
status
Diagnosis - Peak value
Diagnosis - Electronics
temperature
Diagnosis - Measurement
reliability
VEGAPULS 67 • 4 ... 20 mA/HART - four-wire
The default setting for the indication value is e.g. distance with radar
sensors.
The optionally integrated background lighting can be adjusted via the
adjustment menu. The function depends on the level of the supply
voltage, see operating instructions of the respective sensor.
In delivery status, the lighting is switched on.
In this menu item, the device status is displayed.
The respective min. and max. measured value is saved in the sensor.
The values are displayed in the menu item "Peak values".
The respective min. and max. measured value of the electronics
temperature is saved in the sensor. These values as well as the actual
temperature value are displayed in the menu item "Peak values".
When non-contact level sensors are used, the measurement can be
influenced by the respective process conditions. In this menu item,
the measurement reliability of the level echo is displayed as dB value.
The measurement reliability equals signal strength minus noise. The
higher the value, the more reliable the measurement. With a function-
ing measurement, the values are > 10 dB.
6 Set up with the display and adjustment module
45