FX8x Series User Manual
Page 19 of 50
•
REF OFF
command: makes the previously stored reference level inactive, return to normal
absolute measurement.
•
REF +/-
command: finely adjusts the current reference level. Press the
|Up|
and
|Down|
buttons to change the reference level by 0.01. To set the adjusted level as reference, press
|Shift/Enter|
. To exit without setting, press
|F3|
(EXIT)
.
Broadband measurement taken against a reference level
