Hanna Instruments HI 9124 - Manual (Page 16)

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BATTERIES REPLACEMENT BATTERIES REPLACEMENT BATTERIES REPLACEMENT BATTERIES REPLACEMENT BATTERIES REPLACEMENT
The instrument is supplied with batteries. First time you start working
with the instrument, insert the supplied batteries in the battery
compartment observing the correct polarity (see page 17).
At start-up the battery percentage is displayed.
If the batteries become weak, the display will flash the battery
symbol to advise the user that approximately 1 hour of working time
remains. It is recommended to change the batteries as soon as the
battery symbol appears blinking.
The instrument is also provided with the BEPS (Battery Error Prevention
System) feature which automatically turns the instrument off when
the battery level is too low to ensure reliable readings. At start-up the
display will show “0 batt” for few seconds, then the instrument
automatically turns off.