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To se – Grass Valley 8960DEC User Manual

Page 17

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8960DEC—Instruction Manual

17

Power Up

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

Table 2

. The table describes LED indications and the signal input/output

conditions and user settings that are indicated.

Table 3

describes the outputs that will be seen for the input conditions

listed.

Table 2. LED Indications for Input Conditions and Resulting Output Signals

Fault

(red)

525

(green)

625

(green)

Input Condition

Output Signal

OFF

ON

OFF

Normal operation; 525 input signal and reference present.

Correct decoded signal with correct timing.

Flashing

ON

OFF

Input signal does not match forced 525 standard or video
input signal present with mismatched reference signal.

Same standard as input

Flashing

Flashing

OFF

525 signal present; corresponding reference missing.

Correct decoded output; timing forced to delay mode.

OFF

OFF

ON

Normal operation; 625 input signal and reference present.

Correct decoded signal with correct timing.

Flashing

OFF

ON

Input signal does not match forced 625 standard or video
input signal present with mismatched reference signal.

Same standard as input

Flashing

OFF

Flashing

625 signal present; corresponding reference missing.

Correct decoded output; timing forced to delay mode.

Flashing

OFF

OFF

Missing input signal.

Switched to black by default.

Table 3. Operating Mode, Input Conditions and Resulting Outputs

Mode

Standard

Selection

Video Input

Reference Input

Output

Frame Sync

Submodule Pres

ent —Module In Sync

Mode

Manual 525-line

Video present

Valid reference present

Correct output signal with correct timing.

No signal present

Valid reference present

Correct black signal with correct timing,
or last field if autofreeze is on.

Video present

Reference not present

Correct output signal with free run timing.

Video present

Invalid reference input

Corrupted output signal.

Invalid Video present

Valid reference present

Corrupted output signal.

Invalid Video present

Invalid reference input

Corrupted output signal.

Manual 625-line

Video present

Valid reference present

Correct output signal with correct timing.

No video signal present

Valid reference present

Correct black signal with correct timing,
or last field if autofreeze is on.

Video present

Reference not present

Correct output signal with free run timing.

Video present

Invalid reference input

Corrupted output signal.

Invalid Video present

Valid reference present

Corrupted output signal.

Invalid Video present

Invalid reference input

Corrupted output signal.