Users Manual

20
CHARTER 4MAINTENANCE AND TROUBLESHOOTING
Proper maintenance is recommended for best results.
Changing the Battery
Battery should be replaced when the meter continually
displays
, or the meter shows then turns off.
1 Turn off your meter before changing battery.
2 Press firmly on the battery cover and slide in the direction
of the arrow.
Note:
After you change battery, your meter prompts you to confirm the meter’s time and
date settings. All test results are saved in memory.
If you take out the battery when your meter is turned off, date and time setting will
be saved for one minute, insert the new battery immediately, you do not need to
reset the meter.
3 Remove the old battery by lift old battery.