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Power up, Operation indicator leds – Grass Valley 8920ADT User Manual

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8920ADT Instruction Manual

8920ADT Analog Audio to AES/EBU Converter with Delay Tracking

Power Up

The front LED indicators and configuration switches are illustrated in

Figure 4

. Upon power-up, the green PWR LED should light and the yellow

CONF LED should illuminate for the duration of module initialization.

Operation Indicator LEDs

With factory default configuration and valid input and reference signals
connected, the green PWR LED and the green REF LOCK LED should be
on.

Figure 4. Operation Indicator LEDs

A red FAULT LED indicates an error situation and, with the other LEDs,
can indicate the operational conditions presented in

Table 4

. The table

describes signal output and LED indications for various input/reference
combinations and user settings.

8067_06

L > -20dBFS

(green)

TRACKING

(green)

PWR (green)

TRK ENABLE

(yellow)

R > -20dBFS

(green)

RIGHT CLIP (red)

LEFT CLIP (red)

FAULT (red)
COMM (yellow)
CONF (yellow)
REM OVER (yellow)
REF LOCK (green)