User`s guide
Table Of Contents
- Legal Information
- Equipment Operation
- General Safety Considerations
- Regulatory Information
- List of Related Publications
- Agilent TechnologiesE4418B Options
- About this Guide
- Getting Started
- Power Meter Operation
- Introduction
- Battery Operation (Option 001)
- Zeroing and Calibrating the Power Meter
- Making Measurements with the AgilentE-Series Power Sensors
- Making Measurements with the Agilent8480 Series Power Sensors
- Making Measurements using Sensor Calibration Tables
- Making Measurements using Frequency Dependent Offset Tables
- Setting the Units of Measurement
- Selecting Units of Measurement from the Softkeys
- Making Relative Measurements
- Setting the Resolution
- Setting Offsets
- Setting Averaging
- Measuring Pulsed Signals
- Setting Measurement Limits
- Selecting a Digital or Analog Display
- Setting the Range
- Configuring the Remote Interface
- Recorder Output
- Saving and Recalling Power Meter Configurations
- How Measurements are Calculated
- Presetting the Power Meter
- Self Test
- Operator Maintenance
- Contacting Agilent Technologies
- Menu Reference
- Error Messages
- Specifications

Power Meter Operation
Setting the Units of Measurement
2-32 Agilent E4418B User’s Guide
Setting the Units of Measurement
The “dBm/W” menu is used to select the measurement units on the
currently selected window. These can either be logarithmic (dBm or dB) or
linear (Watt or %) units. sets the measurement units to dBm
(logarithmic units). Table 2-5 shows which units are applicable to the
individual measurement modes.
Press , then select the unit of measurement from , , or
. Softkeys which cannot be selected in your particular mode of operation
appear with their text grayed out.
Note When the unit of measurement is set to Watt, it is possible that
negative power measurements may be displayed when measuring
low power levels.
Table 2-5: Measurement Units
Measurement
Mode
Relative Mode Off Relative Mode On
1
1. When relative mode is on (that is, , is “On”), the
measurement is compared to a reference value.
Linear Log Linear Log
Single Channel Watt dBm % dB
Preset
Local
dBm/W
dBm W dB
%
Rel
Offset
Rel Off On
HP4402.book Page 32 Wednesday, November 29, 2000 4:46 PM