Grass Valley DAP-1781 User Manual

Page 62

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GUIDE TO INSTALLATION AND OPERATION

62 | DAP-1781

Miscellaneous

Tone generator

1 kHz sine wave interrupted on left channel (250 ms / 3 s)

EBU R49

Signal presence threshold

from –72 to –48 dBFS (6 dB steps)

No signal delay

from 0 to 255 s (1 s steps)

Fixed delay

0 to 2.4 s

Steps: ms (coarse) & sample (fine)

Tracking delay

0 to 8 video frames

GPI inputs (via A-BUS only)

The GPI information is transmitted to the DAP-1781 at the
switch line. The User Preset Load command needs less
than a frame (about 28 ms) to be completed.
Note that this time will increase when a Dolby module is
installed: about a frame for each modified parameter inside
the Dolby module.

Metadata

Input
Level

RS-485

Format

asynchronous serial format

Data Rate

115.2 kbps.

Impedance

> 12 kOhm


Output

Level

RS-485

Format

asynchronous serial format

Data Rate

115.2 kbps.

Impedance

< 70 Ohm

Power

DAP-1781-xxx-DRP:

< 2.5 W

< 4.1 W with an optional decoder module

< 4.4 W with an optional encoder module

< 3.1 W with an optional upMAX

TM

module


DAP-1781-xxx-SRP:

< 2.0 W

< 3.5 W with an optional decoder module

< 3.7 W with an optional encoder module

< 2.6 W with an optional upMAX

TM

module


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