User Manual Q&AAnswer
Sep 13, 2025 - 07:37 PM
To change the battery in the CATIGA DK220 Desktop 12 Digit Calculator, follow these steps as outlined in the user manual:
1. Loosen the xxxx from the back cover of the calculator and carefully remove it.
2. Use a screwdriver or another tool to push out the battery. Make sure to follow the exit direction when pushing out the battery to avoid damaging the circuit.
3. Insert a new 1.5V battery into the battery compartment, ensuring the polarity is faced up.
4. Put the back cover back on and tighten the xxxx , making sure not to overdo it.
If the display becomes dim or unclear, it is recommended to replace the battery with a new one to ensure proper functionality of the calculator. You can use either a 1.5V battery or rely on solar energy for power.
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