“Cooling power” lamp: It lights up when the EHY power is on and cooling unit is
working.
“Cooler state” display: It warns the user if there is a problem with the cooling
unit. If the display does not show any code (--), there is no error.
“Danger! Overheat!”: 1 red lamp alerts the user if the mattress temperature is
over 38 °C.
“Temperature displays”: 3 digits for actual surface temperature + 3 digits for set
temperature (xx.xºC)
“Set temp.” “Up” and “Down”: One push of a button changes temperature
with only an unnoticeable fraction of a degree, so push the button longer to
see the change on the display. You can also use this button for “sound reset”
after switching on the device.
“Cooling temp./ Sound reset” button: By pressing this button the display shows
the actual temperature of the cooling water. In case of error, this button clears
sound warning for maximum 8 minutes if the error is simple one. In case of
serious errors, when treatment could be dangerous, the sound cannot be
muted.
Tuning
The EHY-2000plus has a special radio frequency generator, which must be
carefully tuned to the patient. If it is not done, the energy released from the
device (in the form of radio frequency) will not heat the patient, but will be lost
in the air, cables, and in the internal electronic parts. The tuning is the most
important way of the personalization of the device and guarantees the best
achievable effect for the patient.
A good tuning means that the outgoing power from the device is mostly
absorbed by the patient and not reflected. In case of proper tuning the
patient becomes a part of the resonant electronic circuit. (Reflected power is
minimal and useful power is near the forwarded power.)
If the machine is not able to get into a correct position, up to a specified time,
then it will restart the tuning from a given position. This is done three times. If
during this procedure the proper tuning cannot be established, the device
stops and resets the parameters. In this case please try to change the position
of the electrode and then restart the tuning again.
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