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AJA FS1 Installation and Operation Guide

AJA FS1 Installation and Operation Guide

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40.1 Freeze Output<br />

<strong>FS1</strong> <strong>Installation</strong> <strong>and</strong> <strong>Operation</strong> Manual — 40.1 Freeze Output<br />

This parameter tells the <strong>FS1</strong> to freeze the current video frame on all outputs. This may<br />

be useful either for testing or in case of loss of the input source.<br />

40.1 Freeze Output Description of Choices<br />

Parameter Adjustments:<br />

Off (Default)<br />

On<br />

41.2 Video SG<br />

41.3 Audio SG<br />

1<br />

Note: The freeze feature can be controlled not only by the front-panel <strong>and</strong> web<br />

browser interface, but also by a GPI input. When a GPI input is causing the freeze<br />

condition, the AUX lamp will be lit on the front-panel.<br />

This parameter determines the video test signal output from the <strong>FS1</strong>’s internal test<br />

signal generator. The parameter is used with parameter 41.1 to determine the type of<br />

video test signal output by the <strong>FS1</strong>.<br />

41.2 Video SG Description of Choices<br />

Video Test Signal:<br />

OFF (default)<br />

Black<br />

75% Bars<br />

100% Bars<br />

Normal operation. The <strong>FS1</strong> outputs video from the input.<br />

The <strong>FS1</strong> captures <strong>and</strong> freezes the most current video frame <strong>and</strong> displays it on the<br />

outputs as long as this parameter is set to On.<br />

This parameter determines the audio signal output from the <strong>FS1</strong>’s internal test signal<br />

generator.<br />

41.3 Audio SG Description of Choices<br />

Video Test Signal:<br />

OFF (default)<br />

Silence<br />

1 kHz<br />

Select the video test signal output:<br />

Turn test signal output OFF.<br />

Video test signal output is color black.<br />

Video test signal output is 75% color bars. This 75% amplitude,100% saturation<br />

test signal is useful to check low frequency response <strong>and</strong> video tilt as well as the<br />

performance of video clamping.<br />

Video test signal output is 100% color bars. This 100% white full field bars test<br />

signal is helpful to check chroma amplitude versus overall video level.<br />

Select the audio test signal output:<br />

Turn audio test signal output OFF.<br />

Output an audio test signal containing silence only.<br />

Output a st<strong>and</strong>ard 1 kHz test signal tone.<br />

65

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