© 2018 Welch Allyn, Inc. All rights are reserved. To support the intended use of the product described in
this publication, the purchaser of the product is permitted to copy this publication, for internal distribution
only, from the media provided by Welch Allyn. No other use, reproduction, or distribution of this
publication, or any part of it, is permitted without written permission from Welch Allyn. Welch Allyn
assumes no responsibility for any injury to anyone, or for any illegal or improper use of the product, that
may result from failure to use this product in accordance with the instructions, cautions, warnings, or
statement of intended use published in this manual.
Welch Allyn is a registered trademark of Welch Allyn, Inc.
Software in this product is copyright Welch Allyn. All rights are reserved. The software is protected by
United States of America copyright laws and international treaty provisions applicable worldwide. Under
such laws, the licensee is entitled to use the copy of the software incorporated with this instrument as
intended in the operation of the product in which it is embedded. The software may not be copied,
decompiled, reverse-engineered, disassembled, or otherwise reduced to human-perceivable form. This is
not a sale of the software or any copy of the software; all right, title, and ownership of the software
remain with Welch Allyn.
For information about any Welch Allyn product, contact Welch Allyn Technical Support: http://
www.welchallyn.com/support.
DIR 80024175 Ver. B
Revision date: 2018-11
This manual applies to the 901049 ELECTROCARDIOGRAPH
and the 901051 SPIROMETER
Welch Allyn, Inc.
4341 State Street Road
Skaneateles Falls, NY 13153 USA
www.welchallyn.com