77
DSR Series
DATA-1
DATA-2
DATA-3
DATA-4
BIT7 BIT0
DF 10F 1F
1S
10S
1M
10M
1H
10H
Frame No.
Field No. F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 F1 F2
N-3 N-2 N-1 N N+1 N+2
EDITON
/FULLEE ON
/SELECTEE ON
6 ms
EDITOFF
/FULLEE OFF
6 ms
command execution period
8. Time Data Format
The following shows the time data format used by commands such as “24.31 : CUE UP WITH DATA”.
Although the shaded null bits have no meaning as time data, they are set in the following cases.
1. DATA 1 BIT-6 : DF FLAG (“1” DF, “0” NDF)...Only for NTSC model
This bit is set in a response command from DEVICE of “61.0C : CURRENT TIME SENSE” accord-
ing to the DF or NDF mode of DEVICE.
It is also set to specify the DF or NDF mode of the TIME CODE GENERATOR of DEVICE of
“44.04 : TIME CODE PRESET”.
2. Other bits
The other bits are defined by SMPTE/EBU in a response command of TIME CODE DATA from
DEVICE of “61.0C : CURRENT TIME SENSE”. Flags conforming to the TIME CODE FORMAT
may be set.
9. Appendix-1
20.60 [FULL EE OFF], 20.61 [FULL EE ON], 20.63 [SELECT EE ON]
20.64 [EDIT OFF], 20.65 [EDIT ON]
4X.30 [EDIT PRESET]
Notices for the DEVICE that has editing function.
To execute above command accurately (on the specified tape address) in the normal playback mode, the
following condition should be satisfied.
Select external video reference mode.
Send the command within 6 ms after the frame change timing.
The followings are the example of timing chart.
In this case, edit delay is 3 frames.