Keysight N6705 Service Manual page 3

Safety Notices
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 or instructions 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.
General
Do not use this product in any manner not
specified by the manufacturer. The
protective features of this product may be
impaired if it is used in a manner not
specified in the operation instructions.
Before Applying Power
Verify that all safety precautions are taken.
Make all connections to the unit before
applying power. Note the instrument's
external markings described under "Safety
Symbols"
Ground the Instrument
This product is a Safety Class 1 instrument
(provided with a protective earth terminal).
To minimize shock hazard, the instrument
chassis and cover must be connected to an
electrical 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.
Fuses
The instrument contains an internal fuse,
which is not customer accessible.
Model N6705 Service Guide
Do Not Operate in an Explosive
Atmosphere
Do not operate the instrument in the
presence of flammable gases or fumes.
Do Not Remove the Instrument
Cover
Only qualified, service-trained personnel
who are aware of the hazards involved
should remove instrument covers. Always
disconnect the power cable and any
external circuits before removing the
instrument cover.
Do Not Modify the Instrument
Do not install substitute parts or perform
any unauthorized modification to the
product. Return the product to a Keysight
Sales and Service Office for service and
repair to ensure that safety features are
maintained.
In Case of Damage
Instruments that appear damaged or
defective should be made inoperative and
secured against unintended operation until
they can be repaired by qualified service
personnel.
Safety Information
CAUTION
A CAUTION notice denotes a hazard. It
calls attention to an operating
procedure, 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
proceed beyond a CAUTION notice
until the indicated conditions are fully
understood and met.
WARNING
A WARNING notice denotes a hazard.
It calls attention to an operating
procedure, 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.
Safety Symbols
Direct current
Alternating current
Both direct and alternating
current
Three phase alternating
current
Earth (ground) terminal
Protective earth ground
terminal.
Frame or chassis terminal
Terminal is at earth
potential.
Neutral conductor on
permanently installed
equipment
Line conductor on
permanently installed
equipment.
On supply
Off supply
Standby supply. Unit is not
completely disconnected
from ac mains when switch
is off
In position of a bi-stable
push switch
Out position of a bi-stable
push switch
Caution, risk of electric
shock
Caution, hot surface
Caution, refer to
accompanying description
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