Originally Posted by mickinct
I also have a DCX-3400 cable dvr hooked up to a YAMAHA RX-v867 AVR , the cable box is set to native output connected to hdmi 1 on the 867, then out from 867 to to tv hdmi 1, I do not have any problems with the format staying in one setting they all they all change to whatever the station is outputting, ie 480 720 1080.
I suspect your AVR is almost identical to my RX-V863, and I have (or had) my DCX3400 connected the same way, with a Sony 34XBR960 HDTV as the display.
And I DID lose "native" if I didn't do the power-on/off sequence trick.
So, are you ever turning any of your equipment on/off? If so, are you following the "AVR-off-first, AVR-on-last" regimen religiously? If so, that would explain why you're not losing "native" based on my own experience with my V863. The power-on/off trick seems to work successfully with Yamaha.
Or do you just leave all of your equipment on forever? Seems hard to believe you wouldn't turn your HDTV off when done, and doing that while leaving the AVR still on would trigger loss of "native" for me (even if the DCX was also off, as it is still seeing the HDMI handshake even while in standby).
Also, what is your HDTV?
You can actually tell that the DCX has sensed the appearance or disappearance of an HDMI-connected device, because whether the DCX is on or off it will briefly flash "DUI" (actually probably "DVI" with an odd font) on its display when an HDMI-connected device it can see is powered on or off. If the AVR is powered on without the connected HDTV also already powered on, the AVR's HDMI handshake with the DCX "fails to support native" and the DCX resets everything to default. Only if the HDTV is already powered on and stabilized when the AVR is then powered on will the HDMI handshake (from DCX to HDTV through AVR) "succeed", and native gets retained.
From a user's perspective this loss of native on the DCX is a real annoyance, and should have been preventable in the firmware. Just because the power-on/off sequence of three boxes connected in an HDMI-relay results in the HDTV not being seen temporarily... well that shouldn't cause the DCX to reset ALL of its settings to factory! That's crazy, as we all agree. If the user sets "native", then that is what the box should hold (and deliver to the AVR, even if it's not being relayed on to the HDTV which might just be powered off at the moment).