Menu Reference
Front Panel Menu Reference "Zero/Cal" Menu
■
Cal B
Press this softkey to calibrate channel B 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.
■B Ref CF
Press this softkey to enter a reference calibration factor for channel B. 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 , ,
and hardkeys to change the value. To confirm your choice press % . This softkey cannot be selected when you are using an HP
•
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”. |
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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. |
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•
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.
HP E4419B User’s Guide |