Alarm Descriptions
72
VTM-2000 Installation and Operation Handbook
Video Alarms Digital Descriptions
The Video Alarms Digital menu contents are listed below.
Loss of Carrier
The Loss of Carrier alarm occurs when there is no TRS (Timing Reference Signal) detected.
Digital Gamut
RGB Upper/Lower
The RGB Upper and Lower alarm occurs when any component of the transcoded RGB signal
falls outside the upper or lower limits for a period in excess of the duration setting. The
Sensitivity can be increased to provide immunity to fast transcoding spikes.
EDH
Per SMPTE RP 165-1994; the EDH alarm occurs when one or more errors are detected for a
period in excess of the duration setting.
Video Alarms Analog Descriptions
The Video Alarms Analog menu contents are listed below.
Loss of Signal
The Loss of Signal alarm occurs when no sync signal is detected for a period in excess of the
duration setting.
SC/H Phase
The SC/H Phase alarm occurs when the phase angle of burst compared to the 50% point of
the leading edge of horizontal sync on line 10 of field 1 (NTSC) or line 1 (PAL) exceeds the
range setting for a period in excess of the duration setting. The range is ± 5° to 89° in NTSC.
Analog Gamut
The Analog Gamut menu consists of the Peak Upper and Peak Lower submenus.
Содержание VTM-2000
Страница 2: ......
Страница 99: ...Alarm Descriptions VTM 2000 Installation and Operation Handbook 79 This page is intentionally blank...
Страница 100: ......
Страница 104: ......
Страница 158: ...Index 138 VTM 2000 Installation and Operation Handbook This page is intentionally blank...
Страница 159: ......
Страница 160: ......
Страница 161: ...Item Number 061781 Rev A Printed 11 08...