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Forums > Professional > RTI Control Systems
Stupid Denon AVR RS232 Question
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Topic:
Stupid Denon AVR RS232 Question
This thread has 8 replies. Displaying all posts.
Post 1 made on Tuesday January 22, 2008 at 17:46
charris
Advanced Member
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Posts:		March 2006
840
I am sorry for the stupid question but it has been a long day and I have to clear this in my mind. When using RS232 for controlling Dennon AVRs, do you have to send a standby command before the on command for the AVR to start accepting RS232 codes? I remember reading somewhere that you have to send PWSTANDBY/r when the receiver is on in order for the receiver to start accepting the commands. I am bit confused with this. When do we have to do this? How long does the AVR remember the standby command so that it will respond by serial to the on command? What happens when the mains cuts off?

Basically I would like to know if the receiver will power on using only the PWON/r command.

Sorry if my post is not clear but it has been a very long day...
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Post 2 made on Tuesday January 22, 2008 at 18:27
roddymcg
Loyal Member
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Posts:		September 2003
6,796
Just turn the receiver on manually, then send the off command. Then it works like a charm...
When good enough is not good enough.
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OP | Post 3 made on Tuesday January 22, 2008 at 18:42
charris
Advanced Member
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Posts:		March 2006
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This is only needed once? What happens when the mains is cut?
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Post 4 made on Tuesday January 22, 2008 at 19:28
Spyeguy
Long Time Member
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Posts:		April 2006
315
Just turn the receiver on manually, then send the off command. Then it works like a charm...
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Post 5 made on Tuesday January 22, 2008 at 19:45
tgrugett
Select Member
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Posts:		August 2004
1,850
Also beware that some models will not respond unless you connect a ground wire between the RP6 and the receiver (phono ground lug works fine).
http://ilscustom.com
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Post 6 made on Tuesday January 22, 2008 at 22:11
roddymcg
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On January 22, 2008 at 18:42, charris said...
This is only needed once? What happens when the mains
is cut?

Just once...
When good enough is not good enough.
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Post 7 made on Wednesday January 23, 2008 at 03:03
Ernie Bornn-Gilman
Yes, That Ernie!
Joined:
Posts:		December 2001
30,104
Is this a process that you only do once when you first set the thing up for RS232?
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
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Post 8 made on Wednesday January 23, 2008 at 09:33
roddymcg
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On January 23, 2008 at 03:03, Ernie Bornn-Gilman said...
Is this a process that you only do once when you first
set the thing up for RS232?

Yeap, it seems weird. Do your programming and manually turn on the receiver. Just hit your system off first. Then you are off to the races...
When good enough is not good enough.
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OP | Post 9 made on Wednesday January 23, 2008 at 10:51
charris
Advanced Member
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Posts:		March 2006
840
Thank you all for your answers!
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