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CHANNEL SELECTOR SWITCH ON THE HDI 302
The HDI 302 stethoset receiver features a channel selector switch which lets
you choose between the following options:
P With the switch set to position “∞”, a stereo signal is received
(channel 1 right, channel 2 left).
P With the switch set to position “I”, only the signal from channel 1 is re-
ceived (carrier frequency 2.3 MHz). This mono signal is supplied to both
headphone systems.
P With the switch set to position “II”, only the signal from channel 2 is re-
ceived (carrier frequency 2.8 MHz). This mono signal is supplied to both
headphone systems.
Please adjust the volume as usual.