MT4412E Rev.2 15/10/2019 Pagina 23 di 30
If the gas control panel has been programmed, when it is switched on the Warm Up
screen appears. The Warm Up time is 3 minutes as default.
Fig. 3.1 a) Warm Up screen
If the system has been configurated, the display will show different channels, which
correspond to the detectors connected. A maximum number of 4 channels can be
visualised in a screen.
Fig. 3.1 b) Display in normal status
3.2) System status
The gas control unit communicates with the operator by means of the LCD display and
LEDs on the front panel. Different information is displayed during different states of the
system. A few general rules apply at any level as follows:
The page scrolling can be done using the up/down arrow keys.
The up/down arrow keys allow the user to move between editable parameters in the
various menus.
At any display level, the ESC key will switch back to the previous view.
On any screen, if no key is pressed for 3 minutes, the display indication will
automatically return to the main screen.
System status
The system is designed to be in one of the following operating status:
NORMAL
ALARM
FAULT
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