Using Discrete Ir Codes; Ir Command Protocol - Runco Signature Cinema SC-50d Series Installation & Operation Manual

External Control
6.2
Using Discrete IR
Codes

IR Command Protocol

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Table 6-1. Serial Commands (continued)
Parameter
Command
(min/max)
RIGHT NA
UP NA
The DHD Controller accepts commands in the form of IR signals that conform to the
Phillips RC5 protocol. Each DHD Controller remote control button has an RC5 control
code associated with it.
You can use these codes to program a third-party, "universal" remote control unit to work
with the DHD Controller. These third-party products usually come with a computer
software application for this purpose. For more information, consult the documentation
provided with the remote control unit.
The IR control codes have the following characteristics:
• Each code consists of 14 bits:
• Two (2) start bits (always 1);
• A toggle bit. This bit is inverted every time a key is released and pressed again. This
allows the DHD Controller to distinguish between a button that remains down and
one that is pressed repeatedly.
• Five (5) address bits. The default address is 17 (binary 10001). To change it, select
Remote Code from the Miscellaneous menu (in the Service menu) and follow the
steps given on page 77.
• Six (6) data bits.
• The carrier frequency is 36 kHz, with the modulated pulses having a 25% duty cycle.
• Commands are sent at a maximum rate of 9 Hz.
90
Value
Stored?
NA Right-Arrow (
NA Up-Arrow (
Signature Cinema™ SC-50d/SC-60d Installation/Operation Manual
Description
) key
) key