Datex-Ohmeda Tec 7 User's Reference Manual page 2

User Responsibility
wCAUTION
This Product will perform in conformity with the description thereof contained
in this User's Reference manual and accompanying labels and/or inserts,
when assembled, operated, maintained, and repaired in accordance with the
instructions provided. This Product must be checked periodically. A defective
Product should not be used. Parts that are broken, missing, plainly worn,
distorted, or contaminated should be replaced immediately. Should repair or
replacement become necessary, Datex-Ohmeda recommends that a
telephonic or written request for service advice be made to the nearest
Datex-Ohmeda Customer Service Center. This Product or any of its parts
should not be repaired other than in accordance with written instructions
provided by Datex-Ohmeda and by Datex-Ohmeda trained personnel. The
Product must not be altered without the prior written approval of
Datex-Ohmeda. The user of this Product shall have the sole responsibility for
any malfunction which results from improper use, faulty maintenance,
improper repair, damage, or alteration by anyone other than Datex-Ohmeda.
U.S. Federal law restricts this device to sale by or on the order of a
licensed medical practitioner. Outside the U.S.A, check local laws
for any restriction that may apply.
Datex-Ohmeda products have unit serial numbers with coded logic which
indicates a product group code. The year of manufacture and a sequential
unit number for identification.
AAA A 12345
This alpha character indicates the year of product
manufacture and when the serial number was
assigned; "C" = 1999, "D" = 2000, "E" = 2001,
etc. "I" and "O" are not used.