Menu Reference

Front Panel Menu Reference "System/Inputs" Menu

Limits Off On

Press this softkey to toggle between the test limits being on or off. The default is “Off”.

Max

Press this softkey to enter the upper measurement limit in the range -150 dBm to 230 dBm. The default value is

90.00dBm. Use the , , and hardkeys to change the value. To confirm your choice press the appropriate measurement units. Max must be greater than

Min .

Min

Press this softkey to enter the lower measurement limit in the range -150 dBm to 230 dBm. The default value is

-90.00 dBm. Use the , , and hardkeys to change the value. To confirm your choice press the appropriate measurement units. Min must be less than Max .

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.

Next

Press this softkey to move to the next error in the error queue.

The displayed error message is individually cleared each time

Next is selected.

HP EPM-442A User’s Guide

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