MANUAL THERMOCOAGULATION - EVRF
Date
Page 23 of 34 Revision N° : 18
5.2 Use of the EVRF
When we are in the program selection screen we have the option to enter the Needle holder
treatment screen or to enter the Scan screen.
5.2.1 Needle holder
The Power setting, standard on 8Watt,
can be decreased or increased
between 5W and 15W.
The duration of the impulse width (T
pulse). We can decrease or
increase the duration.
The time between 2 pulses (T down).
This time can be decreased by touching
or increased by touching
.
On the left we have a clock which indicates the duration of the treatment.
On the left below we have a drawing of a foot pedal with a counter which will indicate the
number of pulses given.
The OFF icon in the top left corner indicates that the EVRF is in “OFF” mode. By touching on
“OFF” the EVRF is changed to “ON” and is ready to be used.
A beep indicates that the impulse is transmitted.
The beep stops as soon as the duration of the impulse is finished (ex: an impulse of 0.2 S will
generate 2 sound beeps; an impulse of 0.4 S will generate 4 sound beeps).
If, after the first pulse is finished, the foot pedal is still activated then the “T Down” time starts.
After T Down is finished and the foot pedal is still activated a new pulse will be transmitted. If
you don’t want to use the “T Down” feature then you need to deactivate the pedal first before
a new pulse is transmitted.
The EVRF will give a sound beep every two seconds, so you know that every beep, you have
generated 2 times the watt that was set on the EVRF. This is the amount of joule that the EVRF
generated.
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