Astell & Kern AK500N Instruction Book page 4

Pay attention not to apply force or press on the part of the cable is connected, if the cable is connected
to the connection port.
- You can break the sound terminal products.
Do not disconnect the USB cable during data transfer.
Use a USB port at the rear of the PC USB cable connection.
- Connection to the USB port with assembly defect or malfunction may develop product failure.
Do not use products such as chemicals or cleaning agents, because they spoil the surface and strip lacquer.
If you attach a bad LCD protective film or stickers to the screen, the darkening screen phenomenon can occur.
If you keep the same screen, an afterimage may remain on the screen.
When you touch the screen, use a clean and dry hand.
When you touch the screen, do not press with too strong pressure.
Caution
Do not put your hands on the CD inserting slot.
Do not use a non-circular disc.
Do not use a disc with serious scratches or foreign substances.
- This may cause a malfunction.
Do not stand on the product.
Do not place heavy objects on the product.
Never connect any other type of cable to the terminal except an appropriate cable.
You can lose your hearing if you plug earphones or headphones in your ears and hear a large volume.
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Before Use