Keysight E4990A Troubleshooting Manual page 3

Notices
© Keysight Technologies 2014 - 2015
No part of this manual may be repro-
duced in any form or by any means
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Manual Printing History
The manual's printing date and part
number indicate its current edition.
The printing date changes when a new
edition is printed (minor corrections
and updates that are incorporated at
reprint do not cause the date to
change). The manual part number
changes when extensive technical
changes are incorporated.
Manual Part Number
E4990-90100
Edition
November 2014, First edition
July 2015, Second edition
Printed in Malaysia
Keysight Technologies

.
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subject to being changed, without
notice, in future editions. Further,
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Restricted Rights Legend
If software is for use in the perfor-
mance of a U.S. Government prime
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computer software" as defined in DFAR
252.227-7014 (June 1995), or as a
"commercial item" as defined in FAR
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software" as defined in FAR 52.227-19
(June 1987) or any equivalent agency
regulation or contract clause. Use,
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and non-DOD Departments and Agen-
cies of the U.S. Government will
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52.227-19(c)(1-2) (June 1987). U.S.
Government users will receive no
greater than Limited Rights as defined
in FAR 52.227-14 (June 1987) or DFAR
252.227-7015 (b)(2) (November 1995),
as applicable in any technical data.
Safety Notices
CAUTION
A CAUTION notice denotes a hazard. It
calls attention to an operating proce-
dure, practice, or the like that, if not
correctly performed or adhered to,
could result in damage to the product
or loss of important data. Do not pro-
ceed beyond a CAUTION notice until
the indicated conditions are fully
understood and met.
WA RNING
A WARNING notice denotes a hazard.
It calls attention to an operating proce-
dure, practice, or the like that, if not
correctly performed or adhered to,
could result in personal injury or death.
Do not proceed beyond a WARNING
notice until the indicated conditions
are fully understood and met.
NOT E
A NOTE notice denotes important
information. It calls attention to a
procedure, practice, or condition that
is essential for the user to understand.