2 S a f e t y a n d Care
[ 1 ] I N S T R U C T I O N S F O R U S E 2 - 11
Transmit Power Display
The transmit power range is from –20 dB to 0 dB. Selecting 0 dB, or 100%, in
combination with other system controls or functions generates the maximum
acoustic intensity and mechanical index for each transducer, where:
I
SPTA.3
: d 720 mW/cm
2
and MI d 1.9
Use the system presets to determine whether the power value displays on
the image screen in decibels, dB, or as a percentage of the maximum
allowable power.
0 dB -3 dB -6 dB -9 dB -12 dB -15 dB -18 dB -21 dB -24 dB
100% 71% 50% 35% 25% 18% 13% 9% 6%
Comparison of decibels to percentages.
When the power level is changed, the system briefly highlights the power
value to indicate the change.
C 5/2/ 26
+ + + +
.... .... ....
+ + + +
.... .... ....
. . . . . . . . .. . .
........
Location of power display on the image screen.
System Reference
System Presets Ch 3
F4
General
ŹBeep Volume
ŹTx Power
Display Format
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