6
7
Operating principle
The IR-RXU two-channel IR stethoscope receiver can receive signals that are sent at an
operating frequency of 2.3 MHz and 2.8 MHz.
Stereo switch/2.3 MHz/2.8 MHz
There is a switch on the back of the device, which can be
used to select the desired reception frequency.
Switch position:
Centre:
Operating frequency 2.3 + 2.8 MHz
(Stereo
reception)
Left:
Operating frequency 2.3 MHz
(mono reception both sides)
Right:
Operating frequency 2.8 MHz
(mono reception both sides)
Cleaning the hygienic covers
The soft silicone earpieces should always be kept clean. If necessary, they can be washed
with warm soapy water. Make sure they are thoroughly dry before replacing.
If they need to be replaced, please use the offered silicone replacement earpieces.
4 English
