Dynatron® 850plus & 550plus
Treatment Instructions - ULTRASOUND
53
After a second the display returns to the treatment time display. Repeat this key sequence to
change the default setting again, if desired. NOTE: In changing the coupling setting, you
may inadvertently PAUSE the treatment (the PAUSE LED will be lighted). Just press
PAUSE again to resume the treatment.
NOTE: The coupling sensing bar graph may be viewed both during sound treatments and
during combo treatments. Changes to the treatment settings including frequency, duty cycle,
and size of soundhead will cause some variance in the graph. This bar graph is not available
for 1 cm
2
soundheads.
Head Temperature Hot
If poor coupling is allowed to continue, the temperature of the soundhead rises and the patient
does not receive the full ultrasonic output. The Dynatron 850plus continuously measures the
temperature of the soundhead to ensure both that the patient is receiving the optimal
treatment and that the soundhead crystal is protected from overheating.
If the soundhead temperature approaches the maximum level, the POWER display will
begin flashing.
For devices having software Rev. prior to 1.02:
If the temperature reaches the maximum level allowed, the treatment is
automatically PAUSED, the output power is stopped, the treatment time stops
counting down, both the Time and Power displays flash continuously. The
soundhead must then be cooled down before the treatment can resume.
For devices having software greater
than Rev. 1.01.
With software revisions
greater than Rev. 1.01, the
Time and Power displays do
not flash, but the Time
display shows the error
message “HOT” (see Page 2
of this manual for instructions
on determining the revision
level of your device). When
this condition occurs, the
treatment timer is paused,
output is stopped, and the soundhead must be cooled down before the treatment can
resume. Once the soundhead is cooled, press Pause or Start to resume the treatment.
The soundhead will cool slowly if placed in the soundhead holder or if held exposed to the
air. Larger soundheads take longer to cool than smaller heads. To resume the treatment right
away, you can place the soundhead in cool/room temperature water to cool the head more
quickly.
NEVER USE ICE OR ICE PACKS TO COOL THE SOUNDHEADS as this is likely to cause
thermal shock to the electronic components of the soundhead and may necessitate a costly
repair. Heads damaged by thermal shock are not covered by the warranty.
POWER-INTENSITY
START
STOP
PAUSE
FUNCTION
"HOT" ERROR - Soundhead Too Hot
“HOT” Error. During an ultrasound treatment, if the
soundhead becomes too hot, the “HOT” error message is
displayed and the treatment is paused for the soundhead
to be cooled.
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