Universal Remote Control MX-5000 Betriebsanweisung PDF herunterladen (Seite 58)

Discrete IR Codes vs Toggle IR Codes

Manufacturers program their products to respond to IR codes with one action or many:

Toggle - More than one action can occur when the code is sent by a remote control. An example is a

POWER button. The manufacturer programs the TV to respond to a POWER command by turning it on if it was

off and turning off if it was on. So one button can do two things. This requires that the user “know” or “see”

that the television is on or off before pressing the button.

Another example is a television with an “INPUT” command. When the code is issued, the television changes

its input. Since the television has 5 inputs, the single “INPUT” command can have five different results,

depending on what input was previously selected. The user has to “know” or “see” what input was previously

selected before deciding how many times to push the INPUT button.

Discrete - Only one action can occur when the code is sent by a remote control. An example is a television

with a POWER ON button and a POWER OFF button. If the television is already on, the POWER ON com-

mand has no effect. If the television is off, the POWER ON command will turn on the television. Another

example is a television with five discrete input commands (ANT A, ANT B, EXT 1, EXT 2 and EXT 3). No mat-

ter what input was previously selected, any of these commands will change the television to the desired input

WITHOUT the end user “knowing” or “seeing” what the previously selected input was!

Tip - Not all components have “discrete” codes on their original remotes, check the IR Database!.

Toggle Commands create “Point & Pray” Macros

Imagine a system with three components (a TV, a VCR and a surround sound Receiver). Each has a toggle type

POWER command on the original remote control. You program a macro with the three power commands on

the MAIN Power ON button and tell your client to turn on their system with this button. Here’s what will hap-

pen:

The client will pick out a videotape and insert it in the VCR (the VCR will now automatically turn on).

The client sits down, picks up their MX remote control and presses the MAIN Power On button. The

three toggle type power commands are issued. So, since the TV and the Receiver were Off, they turn

on, however the VCR was already on from inserting the tape, so it turns off. The client is puzzled that

they don’t see a picture, so they press the MAIN Power On button again. The three toggle type power

commands are issued again. This time the TV and the Receiver turn off and the VCR turns on. The

client begins to get frustrated...

TIP - For systems with lots of toggle Power codes, create a “Power” help list.

You cannot successfully train a family to use a Point & Pray macro. It is too inconsistent. You are bet-

ter off creating a help list device named “POWER.” On the Power Page 1, create shortcut buttons to

all of the components toggle power commands. Train the customer to turn on the system by pressing

the Power button on MAIN, then turning anything that they need on one at a time. Once the system

is on, they press MAIN and decide what they want to watch or listen to.

Professional Installations Require “Bullet-Proof” (Reliable) Macros or a help list. The use of Point &

Pray macros will create service calls and a lot of bad will. Never leave a customer with a remote

programmed to “maybe” work...

Type in Section Title

Macro Programming

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Universal Remote Control MX-5000 Betriebsanweisung Seite 58