Sony HCD-HDX678WF - Manual (Page 89)

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Note
• When the wireless transceiver is not inserted in the
unit, you cannot set the “RF CHANGE.”
• In most cases, you will not need to change this
setting.
• If “RF CHANGE” is set to “OFF,” transmission
between the unit and S-AIR sub unit can be
performed using one of the following channels.
– S-AIR ID A: equivalent channel for Wi-Fi
channel 1
– S-AIR ID B: equivalent channel for Wi-Fi
channel 6
– S-AIR ID C: equivalent channel for Wi-Fi
channel 11
• The transmission may be improved by changing the
transmission channel (frequency) of the other
wireless system(s). For details, refer to the operating
instructions of the other wireless system(s).