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8.2 PROBE Sub-Menu (SETTING) In Pa Mode
In the PA mode, some parameters in the
PROBE
sub-menu (menu
SETTTING
) have
been changed in order to accommodate
requirements for PA probe.
8.2.1
PA WEDGE
The angle of refraction of the plexiglas
wedge attached to the PA probe.
8.2.2
WEDGE FRONT
Correction value setting for proper display of
the projection distance (corrected) from the
PA probe wedge [Pmm], within value range
from 0.0 to 100.0 mm.
The wedge front position is displayed as a
vertical line “WF”.
8.2.3
Z-OFFSET (ZERO OFFSET)
Setting of the time base zero offset for
proper display of the sound path [Smm],
within value range from 0.0 to 100.0 mm.
NOTES: WEDGE FRONT and Y-OFFSET
(ZERO OFFSET) values are saved
to setup and remain, unless the PA
WEDGE is changed in the “?”
menu.
After Z-OFFSET and/or WEDGE
VEL had been changed, the PROBE DELAY will be recalculadet for neutral
angle.
Manual change of the PROBE DELAY value is assumed as a value
correction, calculated for given wedge, and the difference is maintained.
PA WF for zero wedge is calculated as the half of the actual probe size
(8 mm for 16x1) + 2 mm allowance.
8.2.4
WEDGE VEL
Sound velocity within the PA probe wegde.
