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11. Maintenance
Batteries
Low batteries are indicated on the display by “LOW BATT” as shown here.
8.20
*
mg
/L
LOW BATT
24.38°C 11:33
AM
STORE REVIEW SEND CALIBRATE
When this happens, replace the batteries with 4 fresh alkaline C-size batteries as soon as
possible.
• Turn off the instrument.
• Turn the instrument over and slide the battery cover to the right (as indicated on the cover)
and remove it.
Main
Low battery
warning
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