User guide

156
(a)This index is not required for this operating mode; value is <1.
(b)This transducer is not intended for transcranial or neonatal cephalic uses.
# No data are reported for this operating condition since the global maximum index value is not reported for the reason
listed. (Reference Global Maximum Index Value line.)
Data are not applicable for this transducer/mode.
Table 33: Transducer Model:
P21x
Operating Mode:
MMode
Index Label M.I.
TIS TIB
TIC
Scan
Non-scan
Non-scan
A
aprt
1A
aprt
>1
Global Maximum Index Value 1.5 (a) 1.4 1.1
Associated Acoustic
Parameter
p
r.3
(MPa) 2.10
W
0
(mW) —# 40.08 29.71
min of
[W
.3
(z
1
),I
TA.3
(z
1
)]
(mW)
z
1
(cm)
z
bp
(cm)
z
sp
(cm) 3.645 4.9
d
eq
(z
sp
) (cm) 0.343
f
c
(MHz) 1.93 # 1.93 1.94
Dim of A
aprt
X(cm) # 1.835 1.9
Y(cm)
—# 1.31.3
Other Information
PD (μsec) 0.904
PRF (Hz) 800
p
r
@PII
max
(MPa) 2.679
d
eq
@Pll
max
(cm) 0.341
Focal Length FL
x
(cm) —# 18.46
FL
y
(cm) —# 5.5
I
PA.3
@MI
max
(W/cm
2
)
237.4
Operating
Control
Conditions
Control 1: Exam Type Abd/
OB
Abd/OB Abd
Control 2: Optimization Any Gen/Res/
Pen
Pen
Control 3: Depth 7.5 cm 10/13 cm 32 cm
Control 4: THI On On Off
Control 5: MB On or
Off
On or Off On or
Off