Escient FireBall H-40 Remote control Manual de usuario descargar pdf (Pagina 108)

108

TheaterTouch Designer

HOW THE THEATERTOUCH LEARNS IR CODES

There are many different encoding schemes used for IR codes. The burst and pause times have fixed lengths,

variable lengths, or some combination of the two. To learn the code, the IR-PRO “records” a sample of the code

in a manner similar to the way a tape recorder records sound. Once a sample of the code has been taken, it is

analyzed to find any repeating patterns.

Some codes continuously repeat themselves for as long as the button is pressed. Others send a code followed by

a “keep alive” pattern. Some codes don’t repeat at all. Any of the above types of codes can also have some sort

of preamble in front of them. It is very important to capture the preamble in this type of code. The IR learning

buffer of the IR-PRO is large enough to accommodate the preamble.

When a repeating pattern is found, extra repeats are stripped off before the code is stored in memory. The num

ber of repeats is also stored so the code can be reproduced accurately.

If the buffer was filled up during learning, it is assumed that the pattern should be repeated for as long as the key

is pressed. This is common for commands such as Volume, Balance, and Scan— functions that may need to be

continuously repeated. For these types of commands,

Sustain is set ON as the Edit IR default. If the buffer is

not filled,

Sustain is set OFF and the repeat pattern is displayed as the Minimum Repeats.

The default Minimum Repeats for a code with Sustain ON is one. This means the repeating pattern will

repeat at least one time when the button is pressed. You can edit this if necessary, in the Edit IR mode of Infrared

Library Manager software.

If the code uses a carrier frequency, that frequency is also stored with the code.

HINTS FOR LEARNING IR CODES

The following suggestions can help insure more reliable code captures:

1. Make sure you hold down the button on the donor remote until the code capture process is complete. You will be

notified when to move on to the next function.

2. Always place the capture unit and the donor remote control on a flat surface. You may find it necessary to elevate

the donor or the capture unit with a book or similar object to align them vertically.

3. Once you have learned a code from a remote, try not to move it until you have learned all the codes. If you do

accidentally move the remote or IRPro, you should re-align them.

4. It is VERY IMPORTANT to make sure the donor remote is using fresh batteries. The capture unit needs a strong

IR signal to properly learn a code. If the frequency read-out in the ALIGN mode is 0.0 kHz, then the code is a

pulsed type. In this case, you should transmit the commands to the capture unit from as far away as you can

without getting an error message.

5. If you always get an error message when trying to learn a code, you should try moving the donor remote up

and down or back and forth. If this does not help, try tapping the buttons on the donor instead of holding

them down.

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Escient FireBall H-40 Remote control Manual de usuario Pagina 108