Giga-tronics 8003, Operation Manual

Page: 47 / 258

Operation
Manual 20791, Rev. C, June 2001 2-11
Reference Level
Indicates the value set for the Reference Position(s) of the trace displays for each displayed channel, as
shown in Figure 2-3.
Minus Trace 0
Shows that a trace stored in memory (location 0 through 9) is being subtracted from the measurement.
Smoothing, Hold and Averaging
Display of any or all of the S, H, and/or A indications means that the displayed Smoothing, Hold, and/
or Averaging function is active in the measurement. See Section 2.5 (page 2-24) for a description of
how to use these functions.
Scale Per Division
Shows the vertical scale factor that has been selected for the current display (see Section 2.10).
Relative (Reference)
The Relative function does for CW readings what Path Cal does for swept readings. REL on the display
shows that this mode is in use for the measurement. See Section 2.10 for use of the REL function).
MAX or MIN Power
Shows whether the [ MAX ] or [ MIN ] softkey has been selected to read either the maximum or minimum
power at the cursor location.
Power Reading, at XXX Frequency
Displays the selected maximum or minimum power reading at the cursor location, and the frequency at
which the reading is being taken.
Frequency Correction
Displays the specific frequency at which any Cal Factor corrections are being made. See Cal Factor
below.
Sensor Offset, Offset Value
Displays any offset that has been applied to the indicated sensor to compensate for attenuators or
amplifiers between the device under test and the sensor (see Section 2.12.3).
Cal Factor, Cal Value
Shows that a Cal Factor at the indicated value is in effect for the sensor (see Section 2.12 for Cal Factor
discussion).