******************************************************************************
			      OLDER TECHNICS
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Technical info
Amp
CD
Tape
Tuner
Phono

******************************************************************************
			      TECHNICAL INFO
******************************************************************************
Code length:    22 bits
Carrier:        32kHz

	  +----------------+
Header:   |                |
	  +                +------------+..
		  8T             6T


	     +----+
1 is coded:  |    |
	   ..+    +------------+..
	       2T      6T

	     +----+
0 is coded:  |    |
	   ..+    +----+..
	       2T   2T

T=420 us to approx 424 us (US of A and Canada)
T=454 us to approx 460 us (Europe and others)


Remote control transmitter data code (MN6030)

Head pulse  Custom code  Data code  Inverse custom code  Inverse data code
(8T high,   (5 bits)     (6 bits)   (1<==>0)             (1<==>0)
 8T low

This means that the actual data is 11 bits and that an inverted copy of
the data is added to the code.
			 +----+
			 |    |
After the last bit a ( ..+    +  ) is transmitted to terminate the last bit.
			   2T

Followed by 90T low (for sync) = 41130us (Europe) = 37980us (USA)

******************************************************************************
				   Amp
******************************************************************************

Code    Function
----    --------
#7E7    on/off
#79D    Muting
#7FB    Vol +
#70D    Vol -
#609    Eq on/flat
#649    Preset

******************************************************************************
				    CD
******************************************************************************

Code    Function
----    --------
#14C    Play/Pause
#00C    Stop
#04C    Rew
#06C    FF
#0EC    Repeat
#52C    Time mode
#48C    Level +
#4AC    Level -
#54C    Memory
#16C    Clear
#20C    1
#22C    2
#24C    3
#26C    4
#28C    5
#2AC    6
#2CC    7
#2EC    8
#30C    9
#32C    0


******************************************************************************
				   Tape
******************************************************************************

Code    Function
----    --------
#089    Deck a/b
#149    Play
#129    RewPlay
#009    Stop
#069    Rew
#049    FF
#109    Pause

******************************************************************************
				   Tuner
******************************************************************************

Code    Function
----    --------
#209    1
#229    2
#249    3
#269    4
#289    5
#2A9    6
#2C9    7
#2E9    8
#309    9
#329    0

******************************************************************************
				   Phono
******************************************************************************

Code    Function
----    --------
#5FB    Start
#3FB    Stop




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