17 4.4 Power Wheelchair Control - Basic movement : Left-teeth, right-teeth, both-teeth - Control when it is stopped Left-teeth clenching : Left-turn slowly Right-teeth clenching : Right-turn slowly Both-teeth clenching twice : Switch from forward to backward, backward to forward Both-teeth clenching long(more than 2 seconds) : Moving forward or backward - Control when it is moving forward Left-teeth clenching shortly : Left-turn slowly Right-teeth clenching shortly : Right-turn slowly Left-teeth clenching long(more than 2 seconds) : Quick left-turn Right-teeth clenching long(more than 2 seconds) : Quick right-turn Both-teeth clenching : Stop
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