3 Mechanical Assembly and User Interface
3.2.1 HMI User Interface
MIWI350 device includes a ten character, configurable, alphanumeric LCD display with icons to display
the status information and alarm conditions. The LCD display can be configured to ON or OFF at
different times of day. Following is an LCD display illustration, showing all segments ON.
Heart Beat: flashes to indicate normal operation.
Lock/Unlock: indicates whether the unit is metrologically sealed or not.
Battery: indicates a low battery condition.
Alarm: indicates an alarm condition (e.g. high pressure).
Comm: indicates that the serial communications is active.
Navigation key function indicator: as you scroll through the options in each operating
mode, indicates the keys that are active for the selected option.
Output channel indicator: indicates the pulse output channel that is active.
Smile: indicates the HMI is unlocked. The navigation keys are functional.
Star : The Star icon turns on during pressure and temperature measurement, which is
dynamic, based upon instrument sample rate.
Figure 3-7: LCD display