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Inside the central unit a buzzer is mounted which is activated any time an abnormal situation is detected.
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This key features two functions:
Quits the current menu and returns to the upper level menu.
When depressed more than 3 seconds, it shows the last alarm or prealarm that happened in all zones.
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In this area the user can read the actual gas concentration, the gas type for which the zone has been
programmed and the presence of any abnormal situation like pre-alarm, alarm, fault or overrange (please refer to proper section for
in depth description of the messages).
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Through this 16 characters by 2 lines display all messages are shown to the user.
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Same as point 3. but for Zone 2.
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This key is used during configuration to increase values in numeric fields as well as to cycle through different
options for a given parameter.
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This key is used during configuration to move to the next submenu.
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This indicator shows the presence of power supply for the central unit, either from mains or from the eventual
battery backup system.
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This indicator shows the presence of a fault in a remote sensor or in the wiring to the central unit. Refer to proper
section for explanation of the possible causes of fault.
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This indicator shows the presence of an alarm or overrange in the system. The indicator flashes in case of pre-
alarm condition, while is steadily turned on in case of alarm or overrange. Refer to proper section for further details.
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This indicator is turned on when mains power is present. Together with On-Off indicator shows whether the unit is
working with mians power or battery backup power.
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Same as point 3. but for Zone 3.
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Same as point 3. but for Zone 4.
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This key is used during configuration to move to previous submenu.
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This key is used during configuration to decrease values in numeric fields as well as to cycle through different
options for a given parameter.
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This key, when in configuration mode,
allows to enter the various menus and to confirm the selected parameter.
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