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OBJ_BUCH-11-001.book Page 23 Tuesday, May 25, 2004 10:30 AM
Phyaction U
ERA (cm2)
The effective radiating area expressed in cm2 of the treatment head
connected. This area equals the cross-sectional area of the beam at the
treatment surface. The ERA depends on the frequency. This parameter
remains empty if no US head is connected.
Head placement
Instructions for placing the US head. This is only available with treatment
selection via Indication list.
US frequency (MHz)
The frequency of the US head. The absorption at a US frequency of 3 MHz
is three times higher and the penetration depth is three times less than at a
US frequency of 1 MHz. Use 3 MHz for superficial tissue and 1 MHz for
deeper tissue.
4.5.5
Indicator light of the US head
The indicator light of the US head provides the following information.
Indication light
Blinking green
Continuous green
Continuous yellow
Alternating yellow/green
Blinking yellow
Situation
The US head is properly connected.
The US head is selected.
The US-emission is in progress.
Bad contact of the US head with the skin.
End of the treatment
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