Special Setups Submenu; Change Scales Submenu - Tektronix VM700T User Manual

VM700T Option 40/41/42 Audio Measurements User Manual

Special Setups Submenu

Set Input Range
most closely matches the amplitude range of the input signal.
The VM700T digitizes an audio signal measured in a selectable
92 dB window over a total range of 132 dB.
The input ranges of the left and right channels may be
configured independently with the
the best range for the applied signal level.
NOTE. Use care when selecting AUTO for setting the input range. If varying
signals, such as voice, are applied to the Audio option, the attenuators
constantly switch ranges as they attempt to select an appropriate measurement
window for a constantly varying input signal.
Settling Time
and directions for its use. The conditions that may be changed
are frequency, amplitude, amplitude threshold value, threshold
value dwell time, and percent frequency change. Touch the
values.

Change Scales Submenu

Level in Volts
the display to voltage units.
Level in dBu
display to decibel units.
THD + N
in Percent
noise readout in percentage.
THD + N
in dB
readout in decibel units.
Frequency:
LOG/LINEAR
frequency display.
Views:
LOCKED/
right-channel display scales for independent adjustment or lock
UNLOCKED
them together for concurrent adjustment.
enables you to select the range window that
soft keys. In Auto, the range window is adjusted to find
displays the settling time configuration menu
soft key to return the settings to default
sets the level readout and the vertical scale of
sets the level readout and the vertical scale of the
sets the total harmonic distortion plus
sets the total harmonic distortion plus noise
toggles between linear or logarithmic
allows you to unlock the left- and
Operating Basics
or
2–5