Reference
Bottom Side Description
Sec (s) / 1/sec
(Hz)
Sets horizontal units to seconds or
frequency (Hz).
Ratio ( %) Sets V Bar measurement units to percent.
Phase ( °) Sets V Bar measurement units to
degrees.
Use Cursor
Positions as
%/°
Sets the V Bar measurement scale so
that 0% or 0° is the current position of the
left V Bar cursor and 100% or 360° is the
current position of the right V Bar cursor.
VBar
Units
Use5divsas
%/°
Sets the V Bar mea
surement scale so
that 5 screen ma
jor divisions is 1 00% or
360°, where 0%
or 0° is -2.5 divisions
and 100% or 360
° is +2.5 divisions f rom
center verti
cal graticule.
Base
Sets the H Bar units to be the same
as the selected waveform's vertical
measurement units (volts, IRE, dB, and
so on).
Ratio ( %) Sets H Bar units to percent.
Use Cursor
Positions as
100%
Sets the H Bar measurement sca le so
that 0% is the current position o f the
lowest H Bar cursor and 100% is the
current position of the highest H Bar
cursor.
HBar
Units
Use5divsas
100%
Sets H Bar measurement scale so
that 5 screen major divisions is 100%,
where 0% is -2 .5 divisions and 100% is
+2.5 divisions from the center horizon tal
graticule.
Key Points
Cursor Movement. Use th e general purpose knob to mov e the active
cursor. Push the Select button to change which cursor is active. The
active curso r is the sol id line.
Faster Cursor Movement. Push the Coarse button to set the general
purpose knob to make faster cursor movement.
TDS3000C Series O scilloscope User Manual 71