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11.2. Home Screen Features
The Home Screen is the main display that will be visible most of the time during normal detector operation.
There are a number of functions indicated on the Home Screen in addition to the gas readout.
User Menu Status
Temperature
Icon Locations
The main screen shows both permanent and dynamic areas to provide indication of detector status and gas readings.
11.2.1
User Menu status
Padlock Icon
The padlock icon is aligned with the top left user 'soft-key' and when present indicates that the menu system is locked.
Access to the menu system requires a deliberate key action.
Gas Type And Range
This is a fixed indication of the detector's target gas and its full scale measuring range.
Temperature
This reading indicates the temperature within the detector body. The temperature value may differ from ambient
temperature by a few degrees.
Icon Locations.
Depending on the status of the detector and/or specific menu pages, these locations on the display will be occupied by
status icons. When an icon is not active, its place is marked by a small circle. Details of the icons are given in each
section where it may be indicated.
Status Messages
This area of the display is dynamic and provides clear indication of specific conditions such as warn alarm, danger alarm,
under/over range, sensor faults etc. The default indication for a detector operating normally is 'NO FAULTS'.
Measurement Units
This is a fixed display area showing the gas concentration units in use.
Function Indicators
Messages and icons in this area show when required to indicate that a system function is active or to guide the user.
Gas Type And Range
29
Gas Concentration Reading
Function Indicators
Measurement Units
Icon Locations
Status Messages
2
D-Guard
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