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KX-NT400RU
4.2.13. Bluetooth I/F Circuit
The telephone call by the Bluetooth Headset become possible by connecting the Bluetooth unit(KX-NT307). This circuit per-
forms the setting of the call path/vol. adjustment in each call mode by DSP built in VoIP(IC1).
The audio gain of each call is determined by download data from PBX or by internal data from flash memory(IC2).
forms the setting of the call path/vol. adjustment in each call mode by DSP built in VoIP(IC1).
The audio gain of each call is determined by download data from PBX or by internal data from flash memory(IC2).
4.2.14. SD Card I/F Circuit
SD Card clock is outputted from IC101 to SD Card connector, CN4.
CMD and DAT0~3 are bidirectional signals between IC101 and CN4.
SDCD and WR-PROTECT are input signals from CN4 to IC101.
CMD and DAT0~3 are bidirectional signals between IC101 and CN4.
SDCD and WR-PROTECT are input signals from CN4 to IC101.
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