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Topic:
Unusual input control for my TV
This thread has 59 replies. Displaying posts 1 through 15.
Post 1 made on Tuesday February 26, 2008 at 15:08
danschmiedeler
Lurking Member
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Hey - I'm considering purchasing a Harmony One, but I desperately need some kind of solution for a problem I'm having with the way my video inputs are selected on my stupid LG TV.

Basically, for switching video sources on my TV, a few of the IR codes are dedicated to switching to a discreet video source (no problem there,) but a couple, most notably the "DVI" IR code, actually toggle between multiple "sub-modes" of that source. For example, my DVI source button on my TV remote will take me to the default "DVI-DTV" mode (which is what I want,) but pressing the button again takes me to the "DVI-PC" mode. I need the DVI mode to stay fixed in DVI-DTV, but whenever I'm already in DVI-DTV and switch to a different component that also uses DVI-DTV, the stupid thing switches the TV to DVI-PC, rendering no picture. An option I've explored is to create macros that actually open up the source-selection menu on the TV and dig it's way down to the DVI-DTV source every time, but it takes too long and it looks like my TV is possessed when it happens.

As far as I know there are no discreet IR codes for "DVI-DTV" and "DVI-PC" for my TV, just a single code for "DVI," toggling between the two states. Does anyone have any idea if and how the One might be able to resolve this? Might the "state memory feature" (or whatever it's called) help in this?

Thanks a lot -- sorry about the long description!

Dan Schmiedeler
Post 2 made on Tuesday February 26, 2008 at 15:37
akirby
Super Member
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4,640
3 possibilities:

1) the harmony database may actually contain discrete codes that even your OEM remote won't have. They're supported by the TV but were simply not added to the remote. Happens all the time, especially with HDMI and DVI inputs that were usually added to the TV lineup later and they didn't feel like changing the remote buttons. Unless someone has that model TV and can check it for you there's no way to know for sure if the commands work (they may exist in the db but that doesn't mean they actually work).

2) I believe Logitech support can setup a script for you to do this. Maybe someone who's had this done can comment.

3) You can do this yourself if 1 and 2 fail. You set up the main TV device as you have it now but you give it dummy input commands for DVI-DTV and DVI-PC. Then you create a "clone" - another copy of your TV device that uses the toggle or cycle through inputs option for input selection. Turn off power control by telling it the cloned TV device has no power buttons - the main TV device will control the power. By setting it up this way the cloned device will cycle between DTV and PC inputs and will not resend the toggle command unnecessarily - e.g. it knows you're on DTV and will not send another command. On any activity where you need one of these inputs, choose the bogus input on the main TV device and add this cloned device and select the correct input for it.
OP | Post 3 made on Tuesday February 26, 2008 at 15:49
danschmiedeler
Lurking Member
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4
Brilliant!!! I love your idea for option 3. Thank you so much!
OP | Post 4 made on Tuesday February 26, 2008 at 16:05
danschmiedeler
Lurking Member
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February 2008
4
Oh, for the record, I have an LG RU-44SZ63D DLP television.

Anyone happen to know where I could find a list of IR codes for this rather esoteric model?

Thanks,
- Dan
Post 5 made on Tuesday February 26, 2008 at 16:34
rehaz1
Active Member
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December 2005
522
On February 26, 2008 at 16:05, danschmiedeler said...
Oh, for the record, I have an LG RU-44SZ63D DLP television.

Anyone happen to know where I could find a list of IR
codes for this rather esoteric model?

Thanks,
- Dan

I added your LG TV into my setup as TV, MFG: LG, Model: RU-44SZ63D and beside the standard buttons, it had 70 commands listed for the LDC buttons. I don't have that TV so I could not test the commands
Post 6 made on Tuesday February 26, 2008 at 16:52
jlet
Super Member
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Posts:
March 2004
2,631
Here is the list of commands (dataset) the Harmony database (db) has for your LG RU-44SZ63D TV device. This database list was obtained from the Device Learn infrared commands page. Note that the dataset is by brand rather than model so your particular TV model may NOT support all of these commands.
Note 1: By default, the Adjust Power is configured to use the toggle method (one button for both) instead of the discrete method (different buttons for each), but the discrete PowerOn and PowerOff commands are listed. Try them in device mode and if they work properly, then reconfigure the Adjust Power Settings to use the discrete method.
Note 2: By default, the Adjust Input is already configured to use the discrete method (Method 2), but it uses the same discrete command "InputDVI/DTV" for both the DVI-DTV and the DVI-PC inputs. You should try all the discrete input commands to see if you have the true discrete commands for these 2 inputs. Else, you will have to use the clone technique mentioned by Akirby.
Here is the List of Commands (dataset)
-
0
1
16:9
2
3
4
4:3
5
6
7
8
9
ARC
Audio
Blue
BrightnessDown
BrightnessUp
ChannelDown
ChannelPrev
ChannelUp
ClosedCaption
Digital/Analog
DirectionDown
DirectionLeft
DirectionRight
DirectionUp
EasySound
Enter
Exit
FastForward
FCR
Freeze
Green
Guide
Info
InputAnt/Cable
InputComponent1
InputComponent2
InputDVI/DTV
InputHDMI
InputHDMI2
InputHdmi3
InputRGB
InputRGB/DTV
InputRGB/PC
InputS-Video
InputS-Video2
InputTv
InputVideo1
InputVideo2
InputVideo3
InputVideo4
InputVideo5
Keylock
List
Mark
Menu
MIX
MTS
Mute
Pause
PIP
PipChDown
PipChUp
PipInput
PipMove
PipScan
PipSize
PipSwap
Play
PowerOff
PowerOn
PowerToggle
Record
RecordList
Red
Reveal
Rewind
Signal
SkipBackward
SkipForward
Sleep
SoundSelect
SplitZoom
Stop
Teletext
TEXT(Text)
Time
TvVideo
TwinPicture
Video
VolumeDown
VolumeUp
WinPosition
WinSize
X-Studio
X-StudioV2
Yellow
Zoom
Zoom-
Zoom+
H659, H680, SA8300HD, TH-50PZ850, AVR-X4000
Post 7 made on Tuesday February 26, 2008 at 16:58
alanparrott
Long Time Member
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Posts:
August 2002
52
AKirby Hi, dont suppose you have a similar solution to a sort-of similar problem;-))

My Panasonic TH42PX70 TV has 2 Input Selects, one scrolls through the possible physical inputs for which I only use HDMI, there is a direct key so no problem there.

The other, named InputTV (Mode on the Harmony DV) toggles between Analog & Digital TV both via the same Antenna.

I have got mt activities set up fine apart from the problem when the 2 get out of sync, its easily corrrected by Help or even easier just selecting the Activity again.

I would really like to resolve it mainly for the wife and have yet to try Harmony for a fix.

Cheers

Alan
OP | Post 8 made on Tuesday February 26, 2008 at 16:58
danschmiedeler
Lurking Member
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Posts:
February 2008
4
YES!!! You guys rock! Thank you SO MUCH! I'm going to buy the Harmony One.

- Dan Schmiedeler
Post 9 made on Tuesday February 26, 2008 at 18:01
jlet
Super Member
Joined:
Posts:
March 2004
2,631
Alanparrott, I see many discrete input commands (including "InputAntA" and "InputAntB") for this Panasonic TH-42PX70 TV device. Try them all in device mode, and if they work properly, then reconfigure the Adjust Input Settings to use the discrete method (Method 2). Same thing for the Adjust Power Settings.
H659, H680, SA8300HD, TH-50PZ850, AVR-X4000
Post 10 made on Tuesday February 26, 2008 at 18:56
alanparrott
Long Time Member
Joined:
Posts:
August 2002
52
Thanks JLET but I've already been there. Tried all the commands from this and similar TVs. No joy I'm afraid inc Ant A & B

Thanks again

Alan
Post 11 made on Tuesday February 26, 2008 at 21:40
jlet
Super Member
Joined:
Posts:
March 2004
2,631
Well then, you will have to use the clone technique.
H659, H680, SA8300HD, TH-50PZ850, AVR-X4000
Post 12 made on Wednesday February 27, 2008 at 07:01
alanparrott
Long Time Member
Joined:
Posts:
August 2002
52
Thanks but I cant work out what I am cloning as its not quite the same as the OP.

Still I'll try a few things

Alan
Post 13 made on Wednesday February 27, 2008 at 09:44
akirby
Super Member
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Posts:
March 2004
4,640
Set up the main device with the toggle tuner inputs and setup the clone device with only one discrete input - HDMI. You may have to play with the setup of the toggle tuner inputs to get back there from the HDMI input but it should work the same.

The other option is to simply manually send the HDMI input command in the activity startup, but if you do it that way then HELP won't fix it.
Post 14 made on Thursday February 28, 2008 at 05:08
alanparrott
Long Time Member
Joined:
Posts:
August 2002
52
Sorry guys, I just dont get it. I'm either being thick or my request is different from the OP.

I have 3 Activities. (Harmony 555 UK)

1. Media Extender on HDMI. No problems at all.
2. Digital TV/Mode Togle
3. Analog TV/Mode Toggle

2 & 3 are OK except unless you (or somebody else) knows what Activity (Mode) you are on then using an Activity to get you there gives you a 50/50 chance. I have tried switching on Exit but the Harmony knows its (maybe) not a change of activity and does not use the Exit commands.

I will get round to calling Harmony but was interested to know if cloning would work, but I dont quite undertsand what you are saying.

Cheers

Alan
Post 15 made on Thursday February 28, 2008 at 09:18
akirby
Super Member
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Posts:
March 2004
4,640
How does the toggle work if you're coming from the HDMI input? What buttons do you press on the OEM remote in these scenarios:

From analog to HDMI and then back to analog
From analog to HDMI and then back to digital
From analog to digital

I assume it goes back to either analog or digital depending on where you had it before. If so then you'll need to set up the inputs as a toggle between digital and analog so that it keeps track of where it is between those two. The answers to the questions above will help you finish the setup as far as which buttons you have to press and how it behaves. Then you either add another clone device for the HDMi input (with HDMI as the only input - discrete method) or add the HDMI commands to the activity startup.

The key is you have 2 different input methods on one device and you can't configure it both ways.
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