User`s guide

Imaging Modalities
General Imaging Controls
Revision D.0 7-3
ssn February 10, 1999 C:\WINNT\Profiles\dapowell\Desktop\D.0 Books\CD FILES SONOS
D.0\System Basics D.0\Frame Files\7CH.FM add.2
TGCs (Time Gain Compensation controls) Each of the eight
sliders adjusts the amplification of returning
2D/BMode and AQ signals at a specific image depth.
Adjust the TGCs in a smooth curve to compensate for
acoustic attenuation.
Trackball
In conjunction with , resizes the active 2D/
BMode, Zoom, or color area. In conjunction with
, repositions the active area. In conjunction
with , repositions the MMode line, the Doppler
cursor, the PW sample volume, or the CW focal point
(diamond).
Zoom
Turns zoom (magnification) mode on or off. To move
the zoom preview area, use the trackball ( is
active when you first enter zoom preview). To resize
the zoom preview area, press and use the
trackball. Then touch Zoom again to enter full zoom
mode.
Size
Position
Enter
Tip: When activated,
Zoom is first outlined
by a box. This
indicates zoom
preview. Touch Zoom
a second time to go
into full zoom.
Position
Size