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Didn't work for my setup and here's the gritty details!
on June 29, 2013
I bought the Detective Plus because switching input sources on my AVR--e.g., cable to Blu-Ray--causes the monitor to reset resolution in an endless loop. The effect is similar to a slow-mo disco light. The workaround is to turn everything off and reboot source first, TV second and AVR third and everything is fine, but what a PITA. After reading the reviews here and elsewhere on the net, I was convinced the HDMI Detective Plus would be the savior of my monitor handshake problems. So I ripped open that Amazom Prime emblazoned box and followed the instructions exactly:
1. Fired up my Sharp Aquos TV in HDMI mode.
2. Used a 1.4a spec HDMI cable to connect the Sharp to to HDMI Out on the HDMI Detective.
3. Set all four DIP switches in the OFF position and set the WR (Write) switch to "E" (enable) for programming.
5. Plugged in the 5V power supply to the HDMI Detective. The power LED glowed green indicating a valid EDID and a glimmer of hope.
6. Pressed and held the Program button on the HDMI Detective Plus until the LED pulsed bright green, then released the button. A moment later the LED returned to solid green. All systems go!
7. Removed the 5V DC power supply from the HDMI Detective Plus.
8. Set the write-protect switch to "D" (disable).
8. Flipped DIP switch 4 on for HDCP pass through.
9. Used the strange wee HDMI cable to connect my AVR to the HDMI Detective.
I tested results by switching sources and the TV immediately got stuck in the flashing loop again. So I rebooted everything and it was fine until I toggled sources. Hmm, maybe the EDID write isn't taking? Got the flashing LED followed by solid but to be sure reprogrammed EDID several times to no avail. I tried reprogramming variations with everything off but the TV, everything on, HDMI cable pulled with live video, HDMI pulled before turning TV on, etc. I tried HDMI 1.4a and 1.3 spec cables as well as several different brands with no change in handshake performance. The preprogrammed EDID DIP settings didn't work either.
The LED indicator light worked correctly and it passed the signal fine before a source change. Perhaps this is a defective HDMI Detective? Or maybe a HDMI quirk exists in my system that this one trick pony wasn't designed to solve? Do I need to do a special dance or chant to appease the HDMI trolls? Perhaps there is a clue in my HDMI enabled system components:
1. Denon AVR-2313CI receiver (2013)
2. Sony BDP-S5100 3D Blu-ray (2013)
3. Cisco DVR/HD cablebox (2013)
4. Sharp Aquos LC-C37442U (2008)
5. Monster MC 1000HD Ultra-High Speed HDTV HDMI Cables (2013)
I'm guessing the Sharp, since it is over 5 years old, is the weakest link in the chain. However, it has HDMI inputs with HDCP so it should work. Indeed, it works fine hooked directly to the cable box or Blu-Ray HDMI. Judging from all the people here with HDMI handshake problems, the HDMI standard is a twisted path and not well implemented.
Incidentally, both the printed instructions and PDF from the Gefen website are terrible. I'm guessing an engineer dashed it off and didn't proofread. Gefen should hire a professional writer to organize and edit the text.
So I returned to my chunky workaround: plugged the cable box and Blu-Ray directly into TV HDMI inputs with digital sound to the AVR. I was hoping to route everything through the AVR to reduce both button presses and wires (family members complaining).
I really really wanted HDMI Detective Plus to work. Putting up with the extra button pressing, monitor flashing, cable pulls and restarts is frustrating. The Detective has great reviews and obviously fixed HDMI problems for many people. But the bottom line is the Detective didn't work for my setup: he's either a Defective Detective or simply not designed to fix all HDMI handshake problem. Sorry Mr. Detective, you're on the next train back to Amazonville!