3-30
USER HANDBOOK
Fig. 3-40 ‘LOC’ Display
3.20 Acknowledge Alarms
(CSM mode only)
The SHIPSURVEYOR default alarm function means that
instantaneous alarms will be latching and both the audible
and visual functions will operate. (Where an alarm level
is exceeded, the instrument LED’s ash and the sounder
pulses rapidly). Latching alarms must be cleared manually.
To clear a latching alarm:
• Press and hold the Bottom Button , for one
second, after the detected gas level has fallen below
the alarm limit. Refer to Chapter 4.4.1.
The option for the alarms is non-latching. These clear
automatically when the gas levels fall below the alarm limit.
The audible alarm can be muted.
To mute a non-latching alarm:
• Press and hold the Bottom Button for one
second. Refer to Chapter 4.4.3.
Note: An alarm remains muted until a new alarm
event occurs.
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