Getting Started
Turning On the Power Meter
Agilent E4419B User’s Guide 1-3
Turning On the Power Meter
The following steps show you how to turn on the power meter and verify 
that it is operating correctly.
1. Connect the power cord and turn on the power meter.
The front panel display and the green power LED light up when 
the power meter is switched on. The power meter performs it’s 
power on self test. If the self test is not successful the error 
annunciator turns on. If this occurs contact your Agilent 
Technologies Sales and Service office for instructions on returning 
the power meter to Agilent Technologies for service.
Caution   This instrument is designed for use in Installation Category II and 
Pollution Degree 2 per IEC 1010 and 664 respectively.
Caution   This instrument has an autoranging line voltage input, be sure 
the supply voltage is within the range of 85 to 264 V
ac
.
Note   If the power meter has been stored at extremely low temperatures 
outwith the operating range of the power meter, the display may 
take a few minutes to operate.
2. Set the display contrast if required.
The display contrast is adjusted by pressing   and  . If 
these softkeys are not displayed press   repeatedly until they 
appear.
3. Connect the power sensors.
Connect one end of each of the sensor cables to the power meter’s 
channel inputs and the other ends to the power sensors.
4. Making a measurement.
A minimum warm up time of 30 minutes is recommended before 
accurate measurements can be made.
Prior to making your first measurement you must zero and 
calibrate the sensor and meter combination. Refer to Chapter 2 for 
further information if you are not familiar with zeroing, 
calibrating or making measurements with a power meter.
Prev
HP4402.book  Page 3  Thursday, November 30, 2000  1:39 PM