Grass Valley Maestro Master Control Installation v.2.4.0 - Manual (Page 418)

418 MAESTRO Installation and Service Manual
Appendix A — Specifications
480/I, 59.94 Hz, 4x3 SD
(NTSC) SMPTE 125M, SMPTE 259M, ATSC Table 3,
(normal 525/60 @ 270 Mb/s)
Progressive Scan
720/P, 59.94 Hz, 16x9 HD
(ATSC) SMPTE 296M-2001, ATSC Table 3 @ 1.5 Gb/s
720/P, 50 Hz, 16x9 HD SMPTE 296M-2001
Transport SMPTE 259M*, SMPTE 292M
*Except rise and fall times are according to SMPTE 292M
Video Reference
SD Operation Analog black burst (preferred). Must be compatible with input video stan-
dard (as listed above). Although any constant APL color test signal may be
used for SD sync, the preferred reference signal is analog black burst.
HD Operation Analog black burst preferred. Use of HD tri-level sync (as appropriate for
video standard) is acceptable but does not support VITC or 10-field ID
VITC / 10-Field ID SMPTE 318M-A, 318M-B, and 318M-AB are supported.
For 480/59.94 (NTSC) operation, VITC must be on line 14 or 277 (or both)
per SMPTE RP 164-1996.
For 575/50 (PAL) operation, VITC must be on line 19 or 332 (or both) per
EBU Tech Std N14-1998.
Connector 1 - 75 ohm BNC, looping
Video Inputs
Number and type 3 primary (Background A, Background B, Background C) for PGM, PSt and
AUX buses
1 video for embedded breakaways(Background D)
4 Key Cut
4 Key Fill
Connector 75 ohm BNC
Return loss > 15 dB 270 Mbps
Amplitude 800 mV +/- 10%
Video Outputs
Number and type 2 Program
2 Preview
2 Clean Feed 1 (background video only)
2 Clean Feed 2 (background video plus upstream keying)
Keyers
Key signal inputs 4, each with Cut and Fill. Keys can be inserted “upstream” (paired with the
background video) or “downstream” (can persist even when background
video is changed).
Key Type Additive
Timing
Input timing requirement +/- 1/2 line with respect to reference input
Video Delay
With DVE option 1 frame plus approximately 1 line
Without DVE option Approximately 1 line
Table 18. Electrical Specifications