7
Chapter 2
Installation
This chapter provides information about preparing the Bird 4421 for use.
Sensor Connection
1. Turn OFF the ON/OFF rocker
panel.
2. Align the latch on the ca
ble with the notch of the
3. Insert the cable until it clicks into place.
4. Connect the other end of the
sensor cable to the sensor.
RF Line Connection
ad or antenna. Reversing these connec-
tions will cause measurement errors.
CAUTION
reduce the maximum powe
r rating of the unit.
CAUTION
The Bird 4421 must be powered off when connecting or disconnecting the
power sensor from the power meter.
WARNING
Never attempt to connect or disc
onnect RF equipment from the
transmission line while RF power is being applied.
Leaking RF energy is a potential health hazard.
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.