Before Applying Power; Servicing - Agilent Technologies FieldFox N9923AN Service Manual

Safety and Regulatory Information
General Safety Considerations

Before Applying Power

If this product is not used as specified, the protection provided by
WARNING
the equipment could be impaired. This product must be used in a
normal condition (in which all means for protection are intact) only.
This product is designed for use in Installation Category II and Pollution
CAUTION
Degree 2 per IEC 61010-1:2001 and 664 respectively.
The measuring terminals on this instrument are designed to be used with
CAUTION
external signals described in Measurement Category I, but NOT with
external signals described in Categories II, III, and IV. The input of this
instrument cannot be connected to the mains.

Servicing

These servicing instructions are for use by qualified personnel only.
WARNING
To avoid electrical shock, do not perform any servicing unless you
are qualified to do so.
Danger of explosion if battery is incorrectly replaced. Replace only
WARNING
with the same or equivalent type recommended. Discard used
batteries according to local ordinances and/or manufacturer's
instructions.
No operator serviceable parts inside. Refer servicing to qualified
WARNING
personnel. To prevent electrical shock, do not remove covers.
For continued protection against fire hazard, replace line fuse only
WARNING
with same type and rating. The use of other fuses or material is
prohibited.
The detachable power cord is the instrument disconnecting device.
WARNING
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).
1-4
RF Vector Network Analyzer
N9923AN
Service Guide N9923-90005