21frame (dvd), 22block number (cd), 21 frame – Pioneer Industrial DVD Player DVD-V7400 User Manual
Page 34: Dvd), 22 block number (cd)

Command Descriptions
Execution :
String
Status Return
DVD player
FR22000CL2300SE
Frame 2300
Play mode
R
Still
mode
TM500SMPL
R
Play with Stop Marker
CL
Stop Marker is released
and player begins
normal playback
5.21 Frame
(DVD)
Function
: Address specification flag is set to Frame
Format :
FR
Explanation : Address assignment proceeds Frame by Frame. All subsequent
addresses are handled as a Frame number.
Execution :
String
Status Return
DVD player
FR123450SE
123450
Play to Search mode
R
mode
[maximum number of Frames is 7-digits in length (# # # # # # #)]
5.22 Block Number (CD)
Function
: Address specification flag is set to Block
Format :
BK
Explanation : Address assignment proceeds by Block. All subsequent
addresses are handled as a Block number.
The Block refers to a physical Block on the surface of a CD. The physical
Block consists of 75 Frames or Blocks per second (different from traditional
Video Frames).
The player is unable to Search to a Block Number on VCD disc.
(please refer to section 8.10 Serial Use Address Flag)
Execution :
String
Status Return
DVD player
BK243020SE
30 secs, 20 Blocks
Play to Search mode
R
Pause
mode
- 27