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Just a few questions re the RF side of the XD-V55 receiver: Is it a true RF diversity receiver - eg 2 antennas, 2 tuners, and the receiver automatically selects strongest signal? Experience with directional antennas: do both antennas have to be identical directional model, or can one antenna be the standard omni? anyone try one or two DIY "biquad" directional 2.4GHz antennas? (many examples online) thanks!
Hello, I have two XD-V55 units rack mounted side by side. I notice that the one with the lapel mic goes from 100% signal to 0% and then then back to 100% randomly. It's as if the unit is searching for a better channel or something. It is never more than 30' away and has true line of sight. The last time it did it, I was literally ten feet away from the rack and it was doing it every couple minutes the entire time I used it. It has done this since I've had it (maybe a year and a half?). I only use it about 6 times per year but it is used for wedding ceremonies, so it's very embarrassing when the officiant is talking and it keeps cutting in and out. Of course everyone looks at me thinking I'm messing something up. I've been meaning to look into this for a long time, and I'm finally getting around to doing it. The one with the mic works fine. I also tested the TBP12 transmitter with a guitar cable to eliminate a mic issue, and it does the same thing. Any thoughts, ideas or suggestions?
Product Manuals: XD-V55 Pilot's Guide XD-V55H Pilot's Guide XD-V55HS Pilot's Guide XD-V55L Pilot's Guide XD-V55 Features: 300 foot (100 meter) range 12 Channels supporting up to 12 simultaneous systems 24-Bit digital audio signal; providing the audio response of a cable without companding 10Hz to 20 kHz bandwidth, with up to 117 dBA dynamic range Microphone Modeling (on the Handheld Transmitter) EQ/Filter Modeling for headset, instrument and lavalier mics (on the Bodypack Transmitter) NOTE: Please do NOT use Stereo (TRS) 1/4" connector/cables with the 1/4" unbalanced Output Jack on the XD-V55. The ring of a stereo cable is used for data transmissions in factory setup and may cause computer-like noise to be coupled into your audio signal if you use a Stereo 1/4" cable. Please use a standard 1/4" MONO cable for the unbalanced Audio Out on the XD-V55 Receiver. Dynamic Filter: engage this feature on the receiver to minimize stage rumble or handling noise. THH12 (Handheld Mic Transmitter) offers four selectable vocal microphone models:  - Shure SM57  - Shure SM58  - Sennheiser e835 [L6] - Line 6 Custom TBP12 (Beltpack Transmitter) offers four selectable EQ/filter models: [FLAT] - No EQ (no roll-off or boost to the signal) [s1] - Microphone EQ (Vocal EQ Setting #1: Low Cut) [s2] - Microphone EQ (Vocal EQ Setting #2: Headworn Lavalier Setting) [iF] - Instrument (20-foot guitar cable High Frequency roll-off) Changing Transmitters from RF2 (Default Mode on XD-V55) to RF1 Mode (for either THH12 Handheld or TBP12 Bodypack): Power on the Transmitter Hold the Select button until the Channel Number flashes Press and hold the On/Mute (Power) button and then quickly press the Select AND Value/Power for Handheld) within one second. Waiting longer than one second may turn off the Transmitter Check the LCD Display; reading should change to RF-1 in place of CH, indicating that the Transmitter is now in RF1, which is what the older XD-V70 and XD-V30 Receivers operate on To revert back to RF2 Mode, repeat the above process in Step #3. The Transmission Mode that is set will be remembered when the Transmitter is powered off. Does USB 3.0 create interference in the 2.4GHz frequency range? USB 3.0 computer cables and peripherals, including hard drives, are known to emit radio frequency interference throughout the 2.4GHz band, which results in reduced range and/or performance for any 2.4GHz device in its proximity (including wireless keyboard or mouse, WiFi, etc.). We recommend placing any digital wireless receivers at least two meters away from the USB 3.0 device and its cabling. Below is a link to a study by Intel regarding this interference. http://www.intel.com/content/www/us/en/io/universal-serial-bus/usb3-frequency-interference-paper.html