Atest Gaz Sigma Control L, User Manual

Page: 16 / 52

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5.1.1 System Visual Indicator Field
System Visual Indicator allows the operator, who is normally focused on other ac vi es, to quickly assess
site gas safety status – by taking a quick glance at the indicator and confirming that only the green LED is on.
System Visual Indicator is responsible for displaying four independent informa on:
LED Color Descrip!on
MONITORING Green Ac ve, if at least one of the detectors connected measures gas concentra on.
FAULT Yellow Ac ve, if at least one system component is faulty.
SERVICE White
Ac ve, if at least one system component is in service status (e.g. warming up,
calibra on, “inhibit”, test or system configura on).
ALARM Red
The most important and largest indicator, ac ve if at least one Gas Detector
detects a dangerous concentra on.
Table 4: Descrip!on of System Visual Indicator LED's
5.1.2 System status LED field
LED Status descrip!on
Green
LED is constantly on, when the Unit is energized.
Blinks at equal intervals _ ∏ _ ∏ _ ∏ _ ∏ _ – incomplete unit configura on (default seNngs
opera on). Contact the manufacturer.
Simple blink _ ∏ ________ – unit operates in configura on mode
.
Yellow Ac ve, when special statuses occur in detectors of the control unit.
Table 5: Descrip!on of system status LED's
5.1.3 LCD display and naviga!on bu:ons
The naviga on bu+ons combined with display allow users to browse the menu in an easy and intui ve way.
The push bu+on opera on is not fixed, their current func on is presented at the bo+om area of the display
(see figure 11).
p. 16|37
User's Manual: POD-026-ENG R11
Figure 11: Push bu:on and its func!on
on func on
on