RTI TheaterTouch T2, User'S Manual And Programming Manual

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Chapter 6 • IR Library Manager
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Chapter 6. IR Library Manager
The TheaterTouch reproduces the infrared commands of other remote controls. Each
of these infrared commands must be captured (learned) and placed into the
TheaterTouch Designer Command Library.
This is done by using the original remote control ( the donor ) from a piece of
equipment to teach its commands to the TheaterTouch. The TheaterTouch then transfers
the captured command to the Infrared Library Manager software through its RS-232
serial port. Once a command is placed in the infrared library, it never has to be
captured again.
Before you can send infrared commands to the PC, you need to create a new remote
file by going to the IR Library Manager in the
TheaterTouch Designer software.
INFRARED CODES
There are two types of infrared codes that are commonly used for consumer
electronics products:
Frequency Modulated and Pulsed .
FREQUENCY MODULATED
This type of transmission modulates the IR energy at a fixed carrier frequency. The
vast majority of consumer electronics remote controls use a carrier frequency around
40kHz, although the carrier can range from 15kHz to 455kHz or higher. The
TheaterTouch is designed to reproduce carrier frequencies between 15kHz and 460kHz.
The actual code consists of bursts of IR energy modulated at the carrier frequency,
separated by pauses.
Pause 40 kHz Burst
The code is defined by the length of each burst and each pause, as well as by the
carrier frequency.