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Notice
Copyright
© Keysight Technologies 2012, 2014
Edition
Edition 2, November 2014
Manual Part Number
N4877-91010
Printed in Malaysia
Keysight Technologies, Deutschland GmbH
Herrenberger Str. 130
71034 Boeblingen, Germany
The hardware and/or software described in this
document are furnished under a license and may
Warranty
The material contained in this document is provided
"as is," and is subject to being changed, without
notice, in future editions. Further, to the maximum
extent permitted by applicable law, Keysight disclaims
all warranties, either express or implied, with regard to
this manual and any information contained herein,
including but not limited to the implied warranties of
merchantability and fitness for a particular purpose.
Keysight shall not be liable for errors or for incidental
or consequential damages in connection with the
furnishing, use or performance of this document or of
any information contained herein. Should Keysight and
the user have a separate written agreement with
warranty terms covering the material in this document
that conflict with these terms, the warranty terms in
the separate agreement shall control.
the federal government include only those rights
Keysight provides this customary commercial license
in Software and technical data pursuant to FAR 12.211
(Technical Data) and 12.212 (Computer Software) and,
for the Department of Defense, DFARS 252.227-7015
DFARS 227.7202-3 (Rights in Commercial Computer
Software or Computer Software Documentation).
ESD Sensitive Device
All front-panel connectors of N4877A are very sensitive
to Electrostatic Discharge (ESD).
We urgently recommend to operate the instrument in
an electrostatic safe environment.
There is a high risk of instrument damage causing
expensive repairs when connecting a not fully
discharged device or cable to a front-panel connector
or when touching a connector.
Please follow these instructions:
Before connecting any coaxial cable to the connectors,
short the center and outer conductor with ground.
Before touching the front-panel connectors, discharge
yourself by touching the properly grounded frame of
the instrument.
2
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be used or copied only in accordance with
terms of such license.
Restricted Rights Legend
U.S. Government Restricted Rights.
Software and technical data rights granted to
customarily provided to end user customers.
(Technical Data - Commercial Items) and
Safety Summary
General Safety Precautions
The following general safety precautions must be
observed during all phases of operation of this
instrument. Failure to comply with these precautions
or with specific warnings elsewhere in this manual
violates safety standards of design, manufacture,
and intended use of the instrument.
Keysight Technologies assumes no liability for
the customer's failure to comply with these
requirements.
Before operation, review the instrument and manual
for safety markings and instructions. You must follow
these to ensure safe operation and to maintain the
instrument in safe condition.
This product is a Safety Class 1 instrument
(provided with a protective earth terminal).
The protective features of this product may be
impaired if it is used in a manner not specified in
All Light Emitting Diodes (LEDs) used in this
product are Class 1 LEDs as per IEC 60825-1.
This product is marked with a warning
symbol when it is necessary for the user
to refer the instructions in the manual.
Environmental Conditions
This instrument is intended for indoor use in an
installation category II, pollution degree
2 environment. It is designed to operate within
a temperature range of 10 – 40 °C (50 – 105 °F)
at a maximum relative humidity of 95% and
at altitudes of up to 2000 meters.
Refer to the specifications tables for the ac mains
voltage requirements and ambient operating
temperature range.
Verify that all safety precautions are taken.
serves as a device to disconnect from the
The instrument must be positioned so that
the operator can easily access the power
cable inlet. When the instrument is rack-
Ground the Instrument
To minimize shock hazard, the instrument chassis
and cover must be connected to an electrical
protective earth ground. The instrument must be
connected to the ac power mains through a
grounded power cable, with the ground wire firmly
connected to an electrical ground (safety ground)
at the power outlet. Any interruption of the
protective (grounding) conductor or disconnection
of the protective earth terminal will cause a
potential shock hazard that could result in
personal injury.
Do Not Operate in an Explosive Atmosphere
Do not operate the instrument in the presence of
Do Not Remove the Instrument Cover
Operating personnel must not remove instrument
covers. Component replacement and internal
adjustments must be made only by qualified
personnel.
Instruments that appear damaged or defective
should be made inoperative and secured against
unintended operation until they can be repaired by
qualified service personnel.
product must be performed by qualified personnel.
Contact your customer engineer through your local
Keysight Technologies Service Center. You can find
a list of local service representatives on the Web at:
http://www.keysight.com/find/techsupport
General
the operation instructions.
Instrument Markings
Before Applying Power
The power cable inlet of the instrument
mains in case of hazard.
mounted the rack must be provided with
an easily accessible mains switch.
flammable gases or fumes.
Services and Support
Any adjustment, maintenance, or repair of this
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