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KoamTac KDC20 - Automatic Operation Mode Changes; OTG and Extended Battery; Serial Interface for Ios Device

KoamTac KDC20
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KDC User Manual SYNCHRONIZATION
150
Automatic operation mode changes
Because it is not possible to charge the smartphone while in OTG mode, KDC470/475
automatically switches to Bluetooth mode to charge phone when
1. User plugs USB cable to KDC470/475 USB port
2. User puts KDC470/475 in the charging cradle
All transitions between OTG and Bluetooth modes are performed automatically.
OTG and Extended battery
The KDC470/475 extended battery is disabled when KDC470/475 is in OTG mode and
enabled when
1. KDC470/475 is configured as a Bluetooth mode, or
2. KDC470/475 is connected/charged via USB cable, or
3. KDC470/475 is in the charging cradle
Serial interface for iOS device
KDC470/475 communicates with iOS device via Serial interface with custom iOS case is
attached. There is no operation difference between Bluetooth and Serial communication
from iOS device perspective.

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