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

Page 11

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8920DMX Instruction Manual

11

Power Up

Power Up

The 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 light while the module initializes (less than 2 seconds).

Operation Indicator LEDs

With factory default configuration and a valid SD input containing
AES/EBU audio groups, the green PWR LED, an SD format LED (either
525 or 625), one or more Signal Present LEDs should be on. The appropriate
yellow Extract LED (G1 through G4) will indicate which audio group the
module is configured to extract.

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 2

. The table

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

Table 2. Indicator LEDs and Conditions Indicated

LED

Indication

Condition

FAULT

(red)

Off

Normal operation.

On continuously

Module has detected an internal fault. (Refer to

Service

on page 25

.)

Flashing

Configuration problems. Check inputs and settings. Missing video or group.

COMM

(yellow)

Off

No activity on frame communication bus.

3 Quick Pulses

Location Command received by the module from a remote control system.

Short flash

Activity present on the frame communication bus.

CONF

(yellow)

Off

Module is in normal operating mode.

On continuously

Module is initializing, changing operating modes or updating firmware.

3 Quick Pulses

Location Command received by the module from a remote control system.

SW1 – Function Rotary Switch

G1

G4

EDH LED (yellow)

SW2 – Select/Adjust Paddle Switch

8038_05

FAULT (red)
COMM (yellow)
CONF (yellow)
PWR (green)

Audio G1 through G4
Signal Present (green)

Audio G1 through G4
Extract (yellow)

625 (green)
525 (green)

AES 1(green)

AES 2 (green)

24-bit LED