Videotek VTM-2000 Specifications download pdf (Page 80)

Alarm Descriptions

VTM-2000 Installation and Operation Handbook

5-2

Audio Alarms

Peak Audio

The Peak Audio alarm occurs when the peak audio level exceeds the adjustable limit

for a period in excess of the duration setting.

Loss of Sound

The Loss of Sound alarm occurs when the peak amplitude falls below an adjustable

ANALOG or DIGITAL LEVEL for a period in excess of the duration setting. This

alarm is valid for the displayed input (analog, AES/EBU, or embedded). The alarm is

global and independent of the scale type or input format.

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

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 115 116

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Videotek VTM-2000 Specifications Page 80