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3. ULTRASOUND
Highlight ULTRASOUND in the System Menu and press the ENTER key. The
ultrasound set-up screen will be displayed.
and the highlight bar will move to 'Frequency'.Pressing either left or right
cursor key will change the ultrasound frequency (1 or 3 MHz). If a 1 MHz only
ultrasound transducer (as used with the Therasonic 350) is connected to the
output socket, pressing the left and right cursor keys will have no effect and the
frequency will be fixed at 1 MHz.
Pressing the down cursor key again will move the highlight bar to 'Mode'.
Pressing the left or right cursor key will change the mode to CW (Continuous
wave) or one of the pulsed options.
Pressing the down cursor key again will move the highlight bar to 'Power'. The
Combination 850 always displays the temporal-peak spatial-average intensity in
watts per square centimetre in the the output section of the display. The display
can also show the temporal-peak or the temporal-average power in watts at the
bottom of the display. To change the power display use the left or right cursor
keys. Remember that the ERA of the transducer will affect both the peak and
average power (Power (W) = Intensity (W/cm
will affect the average but not the peak power.
COMBINATION 850
On entry to the Ultrasound
screen The 'Time'symbol is
highlighted. To set the
treatment time use the right
cursor key to increase the
time and the left cursor key
to decrease the time. Each
keypress changes the time
by 30 seconds.
Press the down cursor key
2)
* ERA (cm
If not already connected,
plug the transducer into the
output socket. The display
will show a silhouette of the
transducer in the top right
of the screen.
26
2
) ) and the mode
ISSUE 2
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