To remove the fuse, turn the fuse holder counterclockwise until the
fuse p ops out.
Caution
Use the prop er fuse for the line voltage selected. Use only fuses with
the required current rating and of the specied type as replacements.
DO NOT use a mended fuse or short-circuit the fuse-holder in order
to by-pass a blown fuse. Find out what caused the fuse to blow!
Operation
Environment
The HP 4284A must b e op erated under within the following
environment conditions, and sucient space must b e kept b ehind the
HP 4284A to avoid obstructing the air ow of the co oling fans.
Temperature: 0
Cto55
C
Humidity: less than 95% RH at 40
C
Note
The HP 4284A must b e protected from temperature extremes whic
h
could cause condensation within the instrument.
Electromagnetic
Compatibility
This pro duct has b een designed and tested to the requiremen
ts of
the Electromagnetic Compatibility (EMC) Directive 89/336/EEC.
To use a prop erly shielded cable or shielded coaxial cable (suc
has
those recommended in the General Information and the P
erformance
Test) to connect each of the p orts to their respectiv
e controllers,
peripherals, equipments or devices may ensure to meet the
requirements.
Installation and Set Up Guide 1-5