Battery Replacement - Hanna Instruments HI97750 Instruction Manual

Potassium low range & medium range photometer
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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.
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