Menu Reference
Front Panel Menu Reference "Zero/Cal" Menu
Zero
Cal
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
•Zero A
Press this softkey to adjust channel A for a zero power reading with no power applied to the power sensor. Refer to “Zeroing the Power Meter”, on page
•Zero B
Press this softkey to adjust channel B’s internal circuitry for a zero power reading with no power applied to the power sensor. Refer to “Zeroing the Power Meter”, on page
•Zero Both
Press this softkey to adjust both channel A’s and channel B’s internal circuitry for a zero power reading with no power supplied to the power sensor. Refer to “Zeroing the Power Meter”, on page
•Cal
Press this softkey to access a menu which allows you to calibrate the power meter. Calibration sets the gain of the power meter using a 50 MHz oscillator as a traceable power reference.
■Cal A
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.
■A 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 
, 
,
and hardkeys to change the value. To confirm your choice press %. This softkey cannot be selected when you are using an HP
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