Remote controller indicator with microprocessor - has data command sent to main device and response display received back and checked

摘要

A remote control transmit-operation transmits a control signal to a main device from a remote controller. A main device receive-device receives the signal. A main device send-operation transmits the receive signal to the remote control unit after processing it. A remote control receive operation receives and indicates or reproduces the signal transmitted on the main device send operation. The send/receive operations may include the steps of producing a key code corresp. to a key pad operation, or testing the indication from the main device, receiving the indication data, and transmission of the key code according to alterations of the key state after reception of the code. USE - Handshake-type remote control.