1. General product description
1.1 Product functions
This KWR product is a Bluetooth keyboard + Bluetooth & IR Remote.
From the whole system point of view, the Bluetooth TV will be the host, the remote is a
dummy slave.
In normal working mode, the IR host always report key information to the BT host and wait
instruction from the BT host. For example, a play button on remote is pressed, the remote
report this key event to BT host, BT host send this info to TV (report key ID), TV will send 4
bytes payload information via BT host to the IR host, these 4 bytes contain the device mode,
IR code set ID (if under IR device mode), and key ID, after IR host get this info, it will call IR
engine to transmit this IR code.
There is no mode indicate on the remote, all remote mode info are displayed on the TV.
IR DB auto / manual search will be done by remote/TV mutual active.
Below is the product diagram.
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