This PDF document describes the features and characteristics of the LK-90TV_ar_1 A model product.
The document serves as a comprehensive User's Guide for the Casio LK-90TV electronic musical instrument. It begins with regulatory compliance notices from the FCC and lists critical safety guidelines regarding battery usage, AC adaptors, water exposure, and proper handling to prevent injury or damage.
The guide details specific precautions such as avoiding alkaline battery fluid contact, ensuring correct polarity when installing batteries, and never attempting to recharge them. It also outlines procedures for safe relocation, cleaning, and what steps to take if the unit emits smoke, strange odors, or overheats.
Do not rub your eyes; rinse them with water and contact a physician immediately.
No, you should never attempt to recharge batteries or use rechargeable batteries.