Grass Valley Maestro Master Control v.2.4.0 - Manual (Page 443)

439 MAESTRO User Manual
Appendix D — Specifications
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
Audio Specifications
Audio Standard AES-1992 (r1997) 1999-11-23 printing
Dolby E
Pass through Standard
For NTSC, Dolby E Pass through is switched on line 10.
For PAL, Dolby E Pass through is switched on line 6.
Rear Panel Types 75 ohm (BNC connectors)
or
110 ohm (25-pin D connectors)
Audio Inputs
Signal Type 48 kHz AES3. All AES inputs will accept synchronous/asynchronous sig-
nals from 30 to 50 kHz sample rate. Dolby E must be synchronous with
video reference
Table 14. Electrical Specifications