4-8
USER HANDBOOK
Fig. 4-5 Low Battery Warning
The instrument battery must be re-charged.
Note: Gas alarms continue to operate after the ‘LOW
BATTERY’ warning appears.
The ‘BAT FAULT’ warning flashes when approximately
3 minutes operating time remains, as illustrated in Fig. 4-6.
The display will be red, the audible alarm sounds continuously
and the red LED’s remain on. After 3 minutes, the instrument
automatically switches off.
Fig. 4-6 Exhausted Battery Warning
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