iii
Caution Statements
The following equipment cautions appear in the text whenever the
equipment is in danger of damage and are repeated here for emphasis.
WARNING
To avoid personal injury, disconnect th
e power cord from the ac line before
performing any maintenance, including fuse replacement or changing the
line voltage setting.
CAUTION
During remote operation, pe
riodically monitor the bus
service request line. Failure
to detect a service request
could result in
equipment damage.
CAUTION
The interface module contains electrostatic discharge (ESD)
sensitive components. Failure to observe ESD precautions can
cause permanent damage.
CAUTION
ill invalidate calibration data,
and may reduce the maximum power rating of the unit.
CAUTION
The Bird 4421 must be powered off when connecting or
disconnecting the power sensor from the power meter.
CAUTION
Do not use the power sensor with a load VSWR greater then 2:1.
Damage to the power meter, power sensor, or the
RF power source could occur.
CAUTION
During remote operation, periodically monitor the bus
service request line. Failure to detect a service request
could result in equipment damage.