Ensemble Designs 7550 HD Legalizer - Manual (Page 14)

Front Panel Controls and Indicators
Each front edge indicator and switch setting is shown in the diagram below:
Remote/Local switch:
Set to the mode you
will be using.
Pwr green LED:
Indicates the presence (ON) or
absence (OFF) of power (+5V).
Run green LED:
OFF:
A power fault or halted CPU
ON:
A halted CPU
FAST BLINK:
CPU Run error
SLOW BLINK:
System OK. (If SPI control
is active from the main
frame System Control
Module, all Run indicators
will be synchronized.)
HD/SD In green LED:
On indicates input video signal
is present and detected.
OFF no input video signal
detected on the input.
Ref green LED:
On when the selected reference
source is detected.
OFF when no reference signal is
detected.
Frame Sync switch:
Turn Frame Sync On or Off when
using an external reference.
Legalizer switch:
Turn On to enable legalizer or OFF
to disable.
AES/Embed switch:
Select AES or Embed to identify
what type of digital audio is being
input to the module.
EDH Err red LED:
On when EDH is present and
CRC errors are detected.
OFF when EDH is not present or
CRC errors are not detected. AES In 1/2 green LED:
On when an AES input is
detected on the AES 1/2
audio input.
OFF when no audio is
detected on AES 1/2.
Embed green LED:
On when an audio ancillary packet
is detected in the serial stream.
OFF when no audio ancillary
packet is detected.
AES 3/4 green LED:
On when an AES input is
detected on the AES 3/4
audio input.
OFF when no AES audio is
detected on AES 3/4.
Model 7550 HD Video Frame Sync
7550-14
AES 5/6 green LED:
On when an AES input is
detected on the AES 5/6
audio input.
OFF when no AES audio is
detected on AES 5/6.
AES 7/8 green LED:
On when an AES input is
detected on the AES 7/8
audio input.
OFF when no AES audio is
detected on AES 7/8.