Bird High Power Semiconductor Cal Cart
ii
Safety Symbols
Note: Calls attention to supplemental information.
Warning Statements
The following safety warnings appear in the text where there is danger to operat-
ing and maintenance personnel and are repeated here for emphasis.
On page 3.
On page 4.
On pages 6, 12, 16, 17 and 20.
On pages 11, 16, 17, 18, 20, 21 and 22.
On page 11.
WARNING
Warning notes call attention to a procedure, which if not correctly performed,
could result in personal injury.
CAUTION
Caution notes call attention to a procedure, which if not correctly performed,
could result in damage to the instrument.
This symbol indicates that a shock hazard exists if the precau-
tions in the instruction manual are not followed.
The caution symbol appears on the equipment indicating there is
important information in the instruction manual regarding that
particular area.
This symbol indicates that the unit radiates heat and should not
be touched while hot.
WARNING
Do not attempt to lift the cart by the handle.
WARNING
Ethylene glycol is toxic. Do not take internally. Avoid contact with eyes, skin,
and clothing. Avoid breathing vapor. Wash thoroughly after handling.
WARNING
Never attempt to connect or disconnect RF equipment from the transmission line
while RF power is being applied. Leaking RF energy is a potential health hazard.
WARNING
To avoid personal injury, disconnect the power cord from the AC line before
performing any maintenance, including fuse replacement.
WARNING
The Bird 4421 contains no user-serviceable parts. Do not remove its cover.
