Keysight N5256A, Руководство пользователя

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N5256/7/8A/B
Safety and Regulatory Information
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Servicing
Danger of explosion if battery is incorrectly replaced. Replace only with the same or
equivalent type recommended. Discard used batteries according to manufacturer’s
instructions.
These servicing instructions are for use by qualified personnel only. To avoid
electrical shock, do not perform any servicing unless you are qualified to do so.
The opening of covers or removal of parts is likely to expose the user to dangerous
voltages. Disconnect the instrument from all voltage sources before opening.
No operator serviceable parts inside. Refer servicing to qualified personnel.
To prevent electrical shock, do not remove covers.
Install the instrument so that the detachable power cord is readily identifiable
and is easily reached by the operator. The detachable power cord is the
instrument disconnecting device. It disconnects the mains circuits from the
mains supply before other parts of the instrument. The front panel switch is only
a standby switch and is not a LINE switch (disconnecting device). Alternatively,
an externally installed switch or circuit breaker (which is readily identifiable and
easily reached by the operator) may be used as a disconnecting device.
The power cord is connected to internal capacitors that may remain live for 5
seconds after disconnecting the plug from its power supply.
To prevent electrical shock, disconnect the Keysight Technologies
N5256/7/8A /B from mains electrical supply before cleaning. Use a dry cloth or
one slightly dampened with water to clean the external case parts. Do not
attempt to clean internally.
If flammable cleaning materials are used, the material shall not be stored, or
left open in the area of the equipment. Adequate ventilation shall be assured
to prevent the combustion of fumes, or vapors.
For models N5256AW12 , N5257AR12 , N5258AD12 , N5256AW15 , N5257AR15 , and
N5258AD15 , the LO multiplier number has changed from 5 to 6. Modules with OML s/n
</= 16xxxx (made before 2017) have LO multiplier number 5 indicated on the module's
rear label and are not compatible with new modules for system configuration.
Please
note that "A" models are not compatible with "B" models.
Connector Care and Cleaning Precautions
Remove the power cord to the instrument. To clean the connectors use alcohol in a well
ventilated area. Allow all residual alcohol moisture to evaporate, and fumes to dissipate prior to
energizing the instrument.
26 Keysight N5256/7/8A/B User's Guide