NAME

       qscan - console tool for quality measurement of optical media

SYNOPSIS

       qscan [-l] [-h]
       qscan -d DEVICE [-S] [-i] [-m]
       qscan -d DEVICE [-p] [-r] [-w] [-v]
       qscan -d DEVICE [-f] [-s] [-t] [-v]
       qscan -d DEVICE -t wt [-s #] [-W]

DESCRIPTION

       qscan  is the linux console tool for error correction measuring with optical devices.  The related plugin
       allows one to use vendor specific commands on your optical device.  Currently supported vendors are Asus,
       Benq,     Liteon,     NEC,    Pioneer    and    Plextor.     For    detailed    information    look    at
       http://qpxtool.sourceforge.net/supported.html

DEVICE

       can be an IDE, SCSI, SATA, USB or FireWire connected optical drive. Not all SATA controller  support  all
       Plextor features.

       Linux:
       /dev/hdX: IDE device
       /dev/scdX: Linux 2.4: SATA, SCSI, USB device, or IDE device via ide-scsi emulation
       /dev/srX: Linux 2.6: IDE device via new ATA layer, SCSI or USB device

       OpenBSD/NetBSD:
       /dev/rcdX

       FreeBSD:
       /dev/cd: SCSI device
       /dev/acd: ATA device

       MacOS X:
       /dev/disk:

       win32:
       C:,D:,E:, ... X:,Y:,Z:

OPTIONS

       -l, --scanbus
                 scan busses for all available optical devices

       -h, --help
                 show help

       -S, --speeds
                 detect available read and write speeds for selected -d DEVICE and the relating media

       -i, --info
                 show device info of selected -d DEVICE

       -m, --media
                 show media info of selected -d DEVICE

       -p, --plugins
                 list all available plugins

       -f, --force-plugin PLUGIN [ ASUS | BENQ | BENQ_DVDROM |GENERIC |LITEON |NEC |PIONEER |PLEXTOR ]
                 force usage of the selected plugin to use the vendor specific commands for the slected device.
                 Default behaviour auto detection modus.

                 [ASUS]         use Asus vendor specific commands
                 [BENQ]         use Benq optical writer vendor specific commands
                 [BENQ_DVDROM]  use Benq optical reader vendor specific commands
                 [GENERIC]      use generic mmc commands
                 [LITEON]       use Liteon vendor specific commands
                 [NEC]          use NEC vendor specific commands
                 [PIONEER]      use Pioneer vendor specific commands
                 [PLEXTOR]      use Plextor vendor specific commands

       -r #, --rspeed #
                 set read performance speed to selected value.
                 Use -S option before, if you are unsure which speeds are supported

       -s #, --speed #
                 set measurement speed to selected value.
                 Use -S option before, if you don't know what speeds are supported by your device.
                 Don't use this with -r or -w option.

       -t, --test [rt|wt|errc|ft|jb|ta]
                 select the q-check you want to be proceeded. Not all tests are supported by all devices.
                 For detailed information about the terms read the project page:
                 http://qpxtool.sourceforge.net/glossar.html

                 [rt]           read transfer rate measurement
                 [wt]           write transfer rate on blank media
                 [errc]         error correction - Cx-scan / PIE, PIF, POE, POF
                 [ft]           focus and tracking error measurement
                 [jb]           jitter and beta measurement
                 [ta]           time analyzer measurement

       -w #, --wspeed #
                 set write speed to selected value.
                 Use -S option before, if you don't know what write speeds are supported by your device.

       -v, --verbose
                 gives verbose output and debug information

       -W, --write
                 perform real write instead simulation for write transfer rate

EXAMPLES

       qscan -l
                 scan all buses for available optical devices

       qscan -d /dev/sr2 -S
                 Show available speed steps of device /dev/sr2.

       qscan -d /dev/sr2 -t errc -s 5
                 Proceed an error correction scan on device /dev/sr2 with 5x speed.

       qscan -d /dev/sr0 -t wt -s 12
                 Proceed  a  write  performance test in simulation mode on device /dev/sr0 (dummy mode) with 12x
       speed

       please report man page improvements to T.Maguin@web.de

                                                   26 Feb 2014                                          qscan(1)