GE Medical Systems LOGIQ 7, Reference Manual, Page: 96 / 244

Acoustic Output
1
-
90 LOGIQ 7/LOGIQ 7 Pro Advanced Reference Manual
Direction 5116269-100 Rev. 2
M3S Probe (LOGIQ 7 Only) (continued) (LOGIQ 7 Only)
NOTE:
a. This index is not required for this operation mode; see section 4.1.3.1 of the
Output Display Standard(NEMA UD-3)
b. This probe is not intended for transcranial or neonatal cephalic uses.
c. This formulation for TIS is less than that for an alternate formulation in this
mode.
# No data are reported for this operating condition since the global maximum
index value is not reported for the reason listed.
Table 1-55: Transducer Mode: M3S Operating Mode: PWD-Mode (inch.B-mode)
Index Label MI
TIS TIB
TIC
scan
non-scan
non-
scan Aaprt< Aaprt>1
Global Maximum: Index Value 1.7 <1 - <1 3.3 1.5
IEC FDA Units
p
ra
p
r.3
(MPa) 2.7
P W
o
(mW) # - 94.7 94.7
min of [ P
α
( z
s
, I
ta,
α
( z
s
)] [(W
.3(Z1),
I
TA.3
(z1)]) #
z
s
z
1
(cm) #
z
bp
z
bp
(cm) #
z
b
z
sp
(cm) 5.1
z at max. I pi,
α
z
sp
(cm) 5.0
d
eq
( z
b
) d
eq
(z
sp
) (cm) 0.5
ƒ
awf
f
c
(MHz) 2.3 # - # 2.5 2.5
Dim of A
aprt
X (cm) # - # 1.5 1.5
Y (cm) # - # 1.3 1.3
t
d
PD (µsec) 0.8
prr PRF (Hz) 635.2
p
r
at max. I
pi
p
r
@PII
max
(MPa) 3.8
d
eq
at max. I
pi
d
eq
@PII
max
(cm) 0.5
Focal Length FL
X
(cm) # - # 6.1
FL
Y
(cm) # - # 5.8
I
pa,
α
at max. MI I
PA.3
@MI
max
(W/cm 2
)
374.3
Frequency (MHz) D2.5 # - # D2.5 D2.5
Image Depth (cm) 7.4 # - # 6.1 6.1
Vel Scale (kHz) 0.64 - - # 1.00 1.00
SV 1 - - # 6 6
Penet Off - - # Off Off
A
ssoc
Acousti
c Paramete
Other
i
n
fr
omati
o
n
Operating Cont
rol
Conditions