2-9
OPERATION
To acknowledge this fault, press the Right Hand (RH) button
once. This will clear the audible / visual alarm and
display a flashing spanner symbol alternating with the faulty
sensor zero reading. A faulty LEL sensor zero reading is
shown in Fig 2-11:
Fig. 2-11 Acknowledge Alarm
A configurable option is available to force the user to switch
the instrument off if a zero fault is detected, as shown in Fig.
2-12:
Fig. 2-12 Switch OFF
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