Grass Valley ADVC-HDM1 - Manual (Page 27)

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* Sony 9-pin control protocol is used for the output deck control commands.
* The details for the AV/C commands are the same as the “Playback Mode” item in the “IEEE1394 Inter-
face Implementation Guideline”.
„ Changing the Video Bit Rate
The following methods can be used for changing the video bit rate setting when
using AV/C commands.
(1) Checking the Video Bit Rate Setting Value
Input
ctype = STATUS(1)
operand[5] = 0x01
operand[6] = 0xff
operand[7] = 0xff
operand[8] = 0xff
operand[9] = 0xff
Output
rcode = STABLE(0x0c)
status (operand[4]) is one of the following:
0x00 succeeded
0x01 failed
0x02 invalid parameter
SLOW REVERSE 3 1/5 speed
SLOW REVERSE 2 1/4 speed
SLOW REVERSE 1 1/2 speed
X1 REVERSE ×1 speed
FAST REVERSE 1 ×2 speed
FAST REVERSE 2 ×3 speed
FAST REVERSE 3 ×4 speed
FAST REVERSE 4 ×5 speed
FAST REVERSE 5 ×10 speed
FAST REVERSE 6 ×20 speed
FASTEST REVERSE ×20 speed
05_Appendix_ADVC_HDM1_EN.fm Page 24 Wednesday, December 20, 2006 12:39 PM