STEP Sigriner Elektronik GmbH authorizes in the translation, printing to the German edition of this manual of Shanghai Sigriner STEP Electric Co.,Ltd. have the right to adjust the contents. All rights reserved The information in this document is subject to change without prior notice. No part of this document may in any form or by any means (electronic, mechanical, micro-coping, photocopying, recording or otherwise) be reproduced, stored in a retrial system or transmitted without prior written permission from STEP Sigriner Elektronik GmbH & Shanghai Sigriner STEP Electric Co.,Ltd.