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The MLC 52 is configured differently depending on the type of projector remote control
that will be used and on whether the MLC will use IR or RS-232 projector control.
Because each button on the MLC 52 can store up to four commands per button, the PC
and Video buttons should be programmed as shown in the illustrations below and on the
following pages.
• IR control: If the projector will be controlled by the MLC 52 using IR, its IR remote
control has one of the following types of button configurations for video selection:
• Projector remote control type A: A different remote control button is used for
each video input source. Each button selects the input source with the signal type
that matches the button label (for example, the RGB1 button might select the
laptop computer while RGB2 selects the desktop PC.)
• Projector remote control type B: One remote control button is used for all
video formats (RGB, S-video, and composite video). This type of button must be
pressed repeatedly to toggle through all the inputs with the same format.
• RS-232 control: If the projector is to be controlled by the MLC 52 RS via RS-232
commands, the projector typically has a discrete (specific) command for selecting a
particular video input. That is, the projector does not have an RS-232 command to
toggle through its video inputs.
Programming Buttons for an IR Controlled System
1 2 3
4 5 6
7 8
0
9
VIDEO
S-Video
RGB1
RGB2
INPUTS
SET
UP
PLAY
PRG+
PRG–
POWER
REW
TV
INPUT
PAUSE
FF
STOP
DIR A
DIR B
SLEEP
TV
MUTE
TIME/
LEVEL–
DLY/CNT/REAR
TIME/
LEVEL+
UP
LEFT RIGHT
DOWN
SKIP/CHAPTER
+100
– +
DECK
A/B
EFFECT
ON/OFF
REC/
PAUSE
INPUT SELECT
CD TAPE TUNER
PHONO
TV/DBS
TEST
DVD/LD VCR
ENT DISP
VIDEO
S-Video
RGB1
RGB2
INPUTS
Projector Remote Type A
Projector Remote Type B
SIZE
ENTERMENU
CENTER
CONT/
BRT
COL/
TINT
ASPECT
RATIO
VIDEO
MUTE
AUDIO
MUTE
A/V
MUTE
SHARP
PHASE
VIDEO
COMPUTER
VIDEO
COMPUTER
Figure 30. Examples of Projector Remote Control Types A and B
The illustrations on the following pages show the commands to program to the memory
slots on the MLC input selection buttons from the two types of projector remote controls
when the projector is controlled via IR. Determine which of these two types most
resembles the hand-held remote control of your projector, then select the appropriate
instruction set from the following sections to program IR commands to your MLC 52.
MLC 52 MediaLink Controllers • Special Applications 34