Hanna Instruments HI97729, Instruction Manual, Page: 24 / 28

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BA
TTERY REPLACEMENT
10. BATTERY REPLACEMENT
To replace the instrument’s batteries, follow these steps:
• Turn the instrument off by pressing and holding the
key.
• Remove the battery cover by turning it counterclockwise.
• Remove the old batteries, replace them with three new 1.5V AA batteries.
• Replace the battery cover, turn it clockwise to close.