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CHAPTER 4
：
MAINTENANCE AND TROUBLESHOOTING
Proper maintenance is recommended for best results.
Replace the AAA Batteries
When the meter AAA batteries need to be replaced, the battery symbol ( ) will
appear, or you may receive an E-11 error code.
1． Turn off your meter before changing the AAA batteries.
2． Press firmly on the battery cover and slide down.
Note: After you change the AAA batteries, your meter prompts you to confirm the
meter’s time and date settings. All the test results are saved in the memory.
3． Lift out and remove the old AAA batteries.
4． Place the new AAA batteries under the prongs and into the battery
compartment.
5． Slide the battery cover back into place, lining up with the open slots, and close
firmly.
Warning:
Keep batteries away from children. If swallowed, immediately contact your doctor or
poison control center. Discard batteries according to your local environmental
regulations.
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