V!SA - USER HANDBOOK
Fig. 2.8 Failed Sensor
To acknowledge the alarm, press the green (RH) button
once. This will clear the audible / visual alarm and
display a flashing spanner symbol, *alternating with the
faulty sensor zero reading (*LEL sensor only). An example
is shown in Fig 2.9:
alternating with
Fig. 2.9 Acknowledge Alarm
2-8