King-Meter WH527-LCD - Button Definition and Material; User Attention Items

KING- M ETER speci ficat ion of WH527-LCD disp lay v1.0
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3. User attention items
Take care when using the display and do not
connect/disconnect it with power on.
Try to avoid bumping or colliding the meter.
Do not release the waterproof sticker film attached on
the display to avoid impairing its waterproof
performance.
The parameters and settings of the meter are not expected
to be modified by the user; otherwise, your riding experience
will be affected.
The display should be delivered for repair as soon as
possible in case of malfunction.