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Figure 4. System Configuration 3
10
System Configuration #2 also shows an RS232 controllable lighting system connected to the
HT-MSU RS232 SRC6 port. In this configuration, there are 2 sources (a DVD and a DSS satellite
receiver) being “shared” with the house-wide multizone distributed audio receiver. The HT-MSU
sends IR codes for both of the shared sources out of the Global IR Output port into the multizone’s
IR IN port. The HT-MSU’s 12V Output #1 is connected to the multizone’s HT SYNC port, which
ensures that the “shared” sources are turned On and Off correctly. The multizone “knows” that
the home theater system is On or Off via this 12V connection.
SYSTEM CONFIGURATION 3
TV ARRAY MODE
System Configuration #3 (
Figure 4
) shows two more system design features of the Home
Theater Main System Unit. The HT-MSU has a design feature called TV Array. Here, a Niles PAR4
Simplified IR Router is used with the HT-MSU to control an array of identical televisions. (In order
to use the TV Array feature, all of the TVs must be identical or respond to the same IR codes.
Additionally, the TVs must have separate On and Off power commands and direct access input
commands.) A Niles 3.5mm to 3.5mm cable connects the PAR4 to the HT-MSU’s IR TV/7 port. On
the Niles PAR4, Niles MicroFlashers are connected to the numbered outputs 1 through 4. The main
TV should be connected to the PAR4 #1 output. When the end user presses any Master Key from
an All Off situation, the Main TV (PAR4 #1) turns on. Master Key 8 is labeled TV Array. Press the TV
Array Master Key (Master Key 8), then press one of the number keys 1, 2, 3 or 4. This allows the
end user to control that TV in the array of TVs. Two Niles PAR4’s can be used for a maximum of
eight TVs in the TV array.