Agilent Technologies E4418B User Manual page 153

The softkey menu structured to this hardkey affects the channel setup.
Press this hardkey to access the "Zero/Cal" menu which allows you to zero and
calibrate the power meter. Refer to "Calibrating the Power Meter", on page 2-8 for
further information.
Note
Agilent E4418B User's Guide
Zero
Cal
•
Zero
Press this softkey to adjust channel A for a zero power reading with no
power applied to the power sensor. Refer to "Zeroing and Calibrating the
Power Meter", on page 2-7 for further information.
•
Cal
Press this softkey to calibrate channel A with the connected power sensor.
The POWER REF output is used as the signal source for calibration and is
automatically switched on during this procedure.
•
Ref CF
Press this softkey to enter a reference calibration factor for channel A. A
value in the range of 1% to 150% can be entered. The default value is
obtained from the sensor calibration table if one is selected, otherwise it is
100%. Use the
To confirm your choice press
are using an Agilent E-series power sensor.
•
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. The default is "Off".
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.
•
Must Cal Off On
Press this softkey to switch the Zero/Cal Lockout facility On or Off. When
Zero/Cal Lockout is On, the power meter is prevented from making a
measurement until the sensor connected has been zeroed and calibrated. This
softkey is coupled to the equivalent softkey in the System Inputs menu.
•
TTL Inputs Off On
Press this softkey to disable/enable (Off/On) the ZERO and CAL rear panel
TTL inputs.
Front Panel Menu Reference "Zero/Cal" Menu
, , and
. This softkey cannot be selected when you
%
Menu Reference
hardkeys to change the value.
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