Heath-consultants GT Series Bedienungsanleitung PDF herunterladen (Seite 113)

11-9

ALARMS

Fig. 11.7 LTEL H

S Alarm

11.5 ALARM TYPES

11.5.1 Latching / Non Latching

Each alarm can be latching or non latching. Latching alarms

must be, and can only be cleared by the user when the

gas level returns to within the alarm limits.

Non-latching alarms clear automatically when the gas level

returns to within the preset alarm limits.

11.5.2 Muting / Acknowledging

Muting:

Muting of an alarm is achieved by a press and

hold of the LH button.

Muting means that the audible alarm will cancel

for 60 seconds, after which if the gas

concentration is still above the set level (or

below for Oxygen) the alarm will reactivate.

Acknowledging:

Only applicable to latching alarms. The audible/

visual alarms can only be cancelled after the

atmosphere has returned to safe concentrations.

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Heath-consultants GT Series Bedienungsanleitung Seite 113