
M208 Manager
Re:control
16
IR-RC5 Definition
How is the RC5-Code constructed?
RC5 is the most often used Remote Control Code
which is also being used by Revox. Each RC5
codes consists out of 14 BIT, which are successive
send to the receiver:
• 2 Startbits (always “1”)
• 1 Toggel bit (alternating 1” or “0’)
• 5 Address bits
• 6 Command bits
The Startbits are used to synchronize the IR-
Receiver with IR-Transmission. The receiver
adjusts its amplification settings on to the signal.
The Toggelbit changes its value with each press of
a button. That way the long pressing of a button can
be differentiated from the alternating pressing of the
same button.
The address bits define the device. Up to 32
devices can be controlled.
The command bits contain the commands of the
device. Like that up to 64 different commands can
be send for each device.
The carrier frequency for each device is 36 kHz.
RC5-Code of the M208
Is a device defined as a RC5-Code in the mpi-file the
address and the command has to be indicated. Start-
and Toggelbits are generated automatically from the
M208. Address and commands are indicated in
hexadezimal digits.
Syntax:
Hardkey /Softkey = $ [Address][Command] (hex)
Examplel: Revox DVD
Address DVD: 14 h
Command Sound: 2B h
Sound = $142B ⇐ Softkeys
Angle = $141F
Subtitle = $142D
Setup = $1435
.
.
NUM_0 = $1400 ⇐ Hardtkeys
NUM_1 = $1401
.
.
NUM_6 = $1406
NUM_7 = $1407
NUM_8 = $1408
NUM_9 = $1409
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