Menu Reference

Front Panel Menu Reference "System/Inputs" Menu

Filter Off On

Press this softkey to toggle the filter value on or off. The default is “On”. The filter value is set using Length

Mode AUTO MAN

Press this softkey to toggle between the automatic (AUTO) and manual (MAN) filter modes. In manual mode you enter the number of measurements to be averaged. In automatic mode the number of measurements averaged is based on the measured power and uses a pre-defined look-up table. Refer to “Setting Averaging”, on page 2-41 for further information.

Length

Press this softkey to enter the filter length. The filter is used to reduce noise, obtain the desired resolution and to reduce

jitter in the measurement results. Use the , ,

and hardkeys to change the value.

Step Det Off On

Press this softkey to switch step detection on or off. Step detection reduces the settling time of the filter by re-initialising the filter after a significant step (increase or decrease) has been detected in the measured power. The default is “On”.

Power Ref Off On

 

Press this softkey to switch the POWER REF output on or off. This

 

output is used as the signal source for calibration. This softkey is

 

commonly used for troubleshooting. The default is “Off”.

 

 

Note

During calibration the power meter automatically switches the

 

power reference oscillator on (if it is not already on), then after

 

calibration it switches it to the state it was in prior to the

 

calibration.

 

 

Error List

Press this softkey to display any power meter errors and access a menu which allows you to clear and scroll through any power meter errors. The errors are viewed in a first in first out (FIFO) basis.

Clear Errors

Press this softkey to clear all the errors which are stored in the power meter’s memory.

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HP E4419B User’s Guide

Page 156
Image 156
HP Saw E4419B manual Commonly used for troubleshooting. The default is Off