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If any frequency scaling or offset appears at the lev
-
eling point, press More > to access the power meter
frequency scaling and offset menu below.
Then press PM Freq Scale or PM Freq Offset and
edit the frequency scaling or offset value using the
cursor, keypad, or rotary knob. The scaling factor
range is - 10 to + 10 and the offset frequency range
is -150 to +150 GHz. Press < Previous to return to
the user level cal menu.
Now, press Start Calibration to begin automatically
taking power level correction information at each
frequency point. During this process the menu dis-
plays the status: Calibrating along with the current
measurement frequency point.
NOTE
To terminate the measurement process at any
time before completion, press Abort .
Once the power-offset table has been created, it is
stored in non-volatile memory. The power-offset ta
-
ble is now ready to be applied to the test setup. Dis
-
connect the powers sensor and power meter from
the test setup.
Applying User Level Flatness Correction
Whenever user level flatness correction is applied to
the test setup by activating the power-offset table,
the set power level is delivered at the point where
the calibration was performed.
To activate the selected power-offset table and apply
user level flatness correction to the test setup, press
On/Off [LU1...5]. The User Level Cal menu will dis
-
play: Status—On.
3-74 MG369XB OM
Leveling Operations Local (Front Panel) Operation