Special Applications, cont’d
MLC 52 Series MediaLink Controller • Special Applications
4-8
4
.
Put the MLC’s OFF button that you have just programmed into macro mode
by pressing and holding the button for 3 seconds. The orange LED, labeled E
on the back panel, flashes rapidly five times, then turns off, indicating that the
button is now configured for macro mode.
5
.
Set configuration switch #1 on the MLC rear panel to Off.
Now, with one press of the MLC OFF button, you can issue the two projector off
commands needed to answer the projector’s confirmation prompt and turn the
projector off. The commands are issued in succession at 1.5-second intervals.
Application 3: Controlling Projectors That Have
Multi-Coded IR Functionality
Certain projectors, such as Philips projectors, have multiple IR codes for the same
function. Projectors with multi-coded IR functionality issue two commands for
each IR remote control button. Command “A” is initiated by the first press of the
button; command “B,” by the second press. Because the buttons on the MLC 52 can
store up to four commands, the MLC 52 is ideal for projectors of this type.
If controlled via RS-232, projectors that have multi-coded IR functions typically
have a specific RS-232 command that selects or performs each desired function.
Therefore, there is no command “A” or “B” for RS-232 control.
Configuring the MLC 52 for multi-coded IR functionality
This section provides instructions for using IR Learning to program multiple input
selection commands onto the MLC 52’s buttons from two common types of hand-
held projector remote controls that have multi-coded IR functionality.
For best results, select a projector that has a dedicated audio and video input
for each source used in the system. Video inputs should not share the same
audio input.
Projector remote control type A (application 3)
This remote control has a discrete button for each input. Two buttons are
designated for RGB inputs, one for S-video, and one for video (composite). Each of
these input selection buttons on remote type A has a command “A” and a
command “B” coded on it.
Following these steps, use IR Learning to program the input selection commands
from the projector’s type A hand-held remote control onto the MLC’s PC and
VIDEO buttons.
Programming RGB inputs — type A remote control
1
.
Place the rear panel configuration switch #1 in the
on
(up) position to enter
learning mode.
2
.
Using IR Learning, program command “A” from the RGB 1 input selection
button on the projector’s remote control into memory block #1 of the
MLC 52’s PC button as follows:
a
.
Press the PC button on the MLC front panel. The button begins to blink,
indicating that the MLC is now ready to learn command “A” from the
projector remote control’s RGB 1 button. On the rear panel, the bottom
IR Learning LED should be flashing.
b
.
Within 5 seconds (while the PC button on the MLC 52 is blinking), press
the RGB 1 button on the projector’s remote control. The MLC has
learned command “A” for RGB 1.
im Vertrieb von
CAMBOARD Electronics
www.camboard.de
Tel. 07131 911201
Fax 07131 911203