NEC 140He - Manual (Page 8)

Momentary voltage drop prevention:
This product may be affected by a momentary voltage drop caused by lightning. To prevent a momentary voltage drop,
an AC uninterruptible power supply (UPS) unit should be used.
Notes:
(1) No part of this manual may be reproduced in any form without the prior written permission of NEC Corporation.
(2) The contents of this User's Guide may be revised without prior notice.
(3) The contents of this User’s Guide shall not be copied or altered without the prior written permission of NEC
Corporation.
(4) All efforts have been made to ensure the accuracy of all information in this User’s Guide. If you notice any part
unclear, incorrect, or omitted in this User’s Guide, contact the service representative where you purchased this
product.
(5) NEC assumes no liability arising from the use of this product, nor any liability for incidental or consequential
damages arising from the use of this User’s Guide regardless of Item (4).