A Appendixes
478 Keysight U8903B User’s Guide
Functions
(THD Ratio)
Odd Harmonic
–ALL
–3
–5
–7
–9
Display the odd harmonics order selection.
Freq Lock
–Auto
– Gen Lock
– Custom
Select the searching method for the fundamental
frequency.
Fund Freq
Set the fundamental frequency value.
This setting is only available when the frequency lock is
set to Custom.
Functions
(THD Level)
Unit
– FFS
–dBFS
–%FS
–V
–dBu
–dBV
–dBr
–x
–LSB
–Hex
–Dec
–dBSPL
Select the unit type.
Format
–Off
– Logarithmic
– Linear
Select the reading format of the returned measurement
reading.
Set result as ref.
from
Channels 1 to 2
Store the measurement result from the selected
channel as the reference frequency.
Ref. Level
Set the reference level value.
There is only one reference level for each channel.
Cal SPL
Set the calibration level value.
This setting is only available when the unit is set to
dBSPL.
Even Harmonic
–ALL
–2
–4
–6
–8
Select the even harmonics values.
Table A-9 Bluetooth analyzer menu tree description (continued)
Level 1 Level 2 Level 3 Level 4 Description
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