Using known proven quality Media such as Taiyo Yuden or Verbatim Media is an important step in obtaining consistent quality error free results.
The reason BitSetting is desirable is that BitSetting changes the Book Type of DVD+R Media from DVD+R to DVD-ROM which makes the Media more compatible to DVD PlayBack devices during PlayBack Viewing.
Perhaps reviewing the below CD Freaks article will provide additional information ->
The stock Official Pioneer DVR-112D Firmware only provides Auto Book Type BitSetting of DVD+R DL Media. The â€œPatchedâ€ Modified Firmwares adds Auto Book Type BitSetting of DVD+R SL Media.
The Media Code Speed Edit tool will â€œPatchâ€ DVR-112D Firmware to allow Increase Read/Rip Speed, RPC-1 â€œRegion Freeâ€ and BitSetting. Suggest reviewing the Pioneer DVD Burner Read First posting titled â€œMediaCodeSpeedEdit support for Pioneer DVD-Writersâ€ (http://club.cdfreaks.com/f87/mediacodespeededit-support-pioneer-dvd-writers-153213) for detailed information on using the MCSE tool.
DVR-112D Firmware download links can be obtained by reviewing the Pioneer DVD Burner Forum posting titled â€œPost new firmware and tool ANNOUNCEMENTS hereâ€ (http://club.cdfreaks.com/f87/post-new-firmware-tool-announcements-here-210917).
Flashing a Pioneer DVR-112D with Buffalo DVR-112L series Firmware will add BitSetting DVD+R SL Media plus DVD-RAM Media Burning capabilities to the DVR-112D. Forum Member koba has a DVR-112L â€œFlash Packageâ€ that provides the necessary information and Files to Flash a Pioneer DVR-112D to DVR-112L. Suggests reviewing the Instructions.Txt file included in the â€œFlash Packageâ€ for detailed â€œFlashingâ€ information.