Donner DDP-300, Owner'S Manual

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Piano Maintenance
The product should not be exposed excessively to the direct sunlight, placed
near the air conditioner or extremely hot places.
3.Don’t use paint, diluent or similar chemicals to clean it.
Wet a soft towel with weak solution and detergent and wring it out until it dries.
Clean the product with this towel.
4.No shaking and collision.
The product should be moved carefully. Violent shake and collision are
prohibited to avoid damaging the shell or internal electronic components.
This product may cause video or audio interference to the reception of TV and
radio. If this happens, it should be removed from the radio or TV products.
2.No use near Tv or radio.
1.Avoid heat, dampness, or direct sunlight.
Conscientiously do a good job in the maintenance and protection of this product.
It plays an important role in prolonging the service life and reducing faults.
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