Thanks for your answer, I have a Plextor PX-712A that supports scrambled mode.
    E:: PLEXTOR   DVDR   PX-712A    1.09  [cd/dvd]
Read write error recovery [rw] mode page:
  AWRE          0  [cha: n, def:  0]  Automatic write reallocation enabled
  ARRE          0  [cha: n, def:  0]  Automatic read reallocation enabled
  TB            0  [cha: y, def:  0]  Transfer block
  RC            0  [cha: y, def:  0]  Read continuous
  EER           0  [cha: y, def:  0]  Enable early recovery (obsolete)
  PER           0  [cha: y, def:  0]  Post error
  DTE           0  [cha: y, def:  0]  Data terminate on error
  DCR           0  [cha: y, def:  0]  Disable correction (obsolete)
  RRC           10  [cha: y, def: 10]  Read retry count
  COR_S         0  [cha: y, def:  0]  Correction span (obsolete)
  HOC           0  [cha: y, def:  0]  Head offset count (obsolete)
  DSOC          0  [cha: n, def:  0]  Data strobe offset count (obsolete)
  EMCDR         0  [cha: n, def:  0]  Enhanced media certification and defect reporting
  WRC           0  [cha: y, def:  0]  Write retry count
  ERWS          0  [cha: n, def:  0]  Error reporting window size (blocks)
Disconnect-reconnect (SPC + transports) [dr] mode page:
  BFR           4  [cha: y, def:  4]  Buffer full ratio
  BER           240  [cha: y, def:240]  Buffer empty ratio
  BIL           0  [cha: n, def:  0]  Bus inactivity limit
  DTL           0  [cha: n, def:  0]  Disconnect time limit
  CTL           0  [cha: n, def:  0]  Connect time limit
  MBS           0  [cha: n, def:  0]  Maximum burst size (512 bytes)
  EMDP          0  [cha: n, def:  0]  Enable modify data pointers
  FA            0  [cha: n, def:  0]  Fair arbitration
  DIMM          0  [cha: n, def:  0]  Disconnect immediate
  DTDC          0  [cha: n, def:  0]  Data transfer disconnect control
  FBS           0  [cha: n, def:  0]  First burst size (512 bytes)
Mount rainier reWritable (MMC) [mrw] mode page:
  TPZ           0  [cha: y, def:  0]  Tracks per zone
  LBAS          0  [cha: y, def:  0]  LBA space
Write parameters (MMC) [wp] mode page:
  BUFE          0  [cha: y, def:  0]  Buffer underrun free recording enable
  LS_V          0  [cha: y, def:  0]  Link size valid
  TST_W         0  [cha: y, def:  0]  Test write
  WR_T          1  [cha: y, def:  1]  Write type
  MULTI_S       3  [cha: y, def:  3]  Multi session
  FP            0  [cha: y, def:  0]  Fixed packet type
  COPY          0  [cha: y, def:  0]  Serial copy management system (SCMS) enable
  TRACK_M       4  [cha: y, def:  4]  Track mode
  DBT           8  [cha: y, def:  8]  Data block type
  LINK_S        16  [cha: y, def: 16]  Link size
  IAC           0  [cha: y, def:  0]  Initiator application code
  SESS_F        0  [cha: y, def:  0]  Session format
  PACK_S        0  [cha: y, def:  0]  Packet size
  APL           150  [cha: y, def:150]  Audio pause length (blocks)
Verify error recovery (SBC) [ve] mode page:
  V_EER         0  [cha: y, def:  0]  Enable early recovery (obsolete)
Caching (SBC) [ca] mode page:
  IC            0  [cha: n, def:  0]  Initiator control
Power condition - old version [poo] mode page:
  IDLE-OLD      1  [cha: y, def:  1]  Idle timer active
Power condition [po] mode page:
  PM_BG         0  [cha: n, def:  0]  Power management, background functions, precedence
  STANDBY_Y     0  [cha: n, def:  0]  Standby_y timer enable
  IDLE_C        0  [cha: n, def:  0]  Idle_c timer enable
  IDLE_B        0  [cha: n, def:  0]  Idle_b timer enable
  IDLE          0  [cha: y, def:  0]  Idle_a timer enable
  STANDBY       0  [cha: y, def:  0]  Standby_z timer enable
  ICT           0  [cha: y, def:  0]  Idle_a condition timer (100 ms)
  SCT           0  [cha: y, def:  0]  Standby_z condition timer (100 ms)
Timeout and protect (MMC) [tp] mode page:
  WORMM         0  [cha: n, def:  0]  Worm mode
  G3E           0  [cha: n, def:  0]  Group 3 timeout capability enable
  TMOE          0  [cha: y, def:  0]  Timeout enable
  DISP          0  [cha: n, def:  0]  Disable (unavailable) until power cycle
  SWPP          0  [cha: n, def:  0]  Software write protect until power cycle
  G1MT          0  [cha: y, def:  0]  Group 1 minimum timeout (sec)
  G2MT          0  [cha: y, def:  0]  Group 2 minimum timeout (sec)
CD/DVD (MM) capabilities and mechanical status (MMC) [cms] mode page:
  D_RAM_R       0  [cha: n, def:  0]  DVD-RAM read
  D_R_R         1  [cha: n, def:  1]  DVD-R read
  D_ROM_R       1  [cha: n, def:  1]  DVD-ROM read
  METH2         1  [cha: n, def:  1]  Method 2
  CD_RW_R       1  [cha: n, def:  1]  CD-RW read
  CD_R_R        1  [cha: n, def:  1]  CD-R read
  D_RAM_W       0  [cha: n, def:  0]  DVD-RAM write
  D_R_W         1  [cha: n, def:  1]  DVD-R write
  TST_WR        1  [cha: n, def:  1]  Test write
  CD_RW_W       1  [cha: n, def:  1]  CD-RW write
  CD_R_W        1  [cha: n, def:  1]  CD-R write
  BUF           1  [cha: n, def:  1]  Buffer underrun free recording
  MULT_S        1  [cha: n, def:  1]  Multi session
  M2F2          1  [cha: n, def:  1]  Mode 2 form 2
  M2F1          1  [cha: n, def:  1]  Mode 2 form 1
  DP_2          0  [cha: n, def:  0]  Digital port 2
  DP_1          0  [cha: n, def:  0]  Digital port 1
  COMP          1  [cha: n, def:  1]  Composite
  AUDIO_P       1  [cha: n, def:  1]  Audio play
  RBC           0  [cha: n, def:  0]  Read bar code
  UPC           1  [cha: n, def:  1]  Uniform product code
  ISRC          1  [cha: n, def:  1]  International standard recording code
  C2PS          1  [cha: n, def:  1]  C 2 pointers supported
  RW_DC         1  [cha: n, def:  1]  R-W de-interleaved and corrected
  RW_S          1  [cha: n, def:  1]  R-W supported
  CDDA_SA       1  [cha: n, def:  1]  CD-DA stream accurate
  CDDA_CS       1  [cha: n, def:  1]  CD-DA commands supported
  LMT           1  [cha: n, def:  1]  Loading mechanism type
  EJECT         1  [cha: n, def:  1]  Eject (individual or magazine)
  PJ            0  [cha: n, def:  0]  Prevent jumper
  LS            0  [cha: n, def:  0]  Lock state
  LOCK          1  [cha: n, def:  1]  Lock (supported)
  RWILI         1  [cha: n, def:  1]  R-W in lead in
  SCC           0  [cha: n, def:  0]  Side change capable
  SSS           0  [cha: n, def:  0]  Software slot selection
  CSDP          0  [cha: n, def:  0]  Changer supports disc present
  SCM           1  [cha: n, def:  1]  Separate channel mute
  SVL           1  [cha: n, def:  1]  Separate volume levels
  MRSS          7056  [cha: n, def:  0]  Maximum read speed supported (kBps) (obs)
  NVLS          256  [cha: n, def:256]  Number of volume levels supported
  BSS           8192  [cha: n, def:8192]  Buffer size supported (1024 bytes)
  LENGTH        0  [cha: n, def:  0]  Length (bit length of IEC958 words)
  LSBF          0  [cha: n, def:  0]  LSB (least significant bit) first
  RCK           0  [cha: n, def:  0]  High on LRCK indicates left channel
  BCKF          0  [cha: n, def:  0]  BCK signal falling edge
  CMRS          0  [cha: n, def:  0]  Copy management revision supported
  RCS           0  [cha: n, def:  0]  Rotation control selected
  CWSS          8467  [cha: n, def:  0]  Current write speed selected