Инструкция для EXTRON ELECTRONICS IN1608 MA User Guide, IN1608 SA User Guide, IN1606 User Guide, IN1608 Series User Guide

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IN1606 and IN1608 Series Scaling Presentation Switcher • Internal Web Pages

76

To select an audio format:

1. 

Click the 

Line Input

 tab.

2. 

From the 

Audio Format

 drop-down menu of the each input, select the desired format.

Analog input gain

The Analog Input Gain fader has a gain range of -18 dB to +24 dB. Adjustments are applied 
in 0.1 dB increments. The default setting is 0.0 dB. The current level for each input is 
displayed to the right of the corresponding 

Audio Format

 drop-down menu.

To adjust the fader level:

1. 

Click the 

Line Input

 tab.

2. 

In the AV Controls panel, select the desired input with analog audio.

NOTE:  Input gain adjustment applies only to analog signals. The Analog Input Gain 

fader is available only when the audio format is set to 

Analog

LPCM-2Ch Auto

, or 

Multi-Ch Auto

3. 

Adjust the level using any of the following methods:

• 

Click and drag the fader handle to the desired level.

• 

Press the <Up Arrow> or <Down Arrow> key to respectively increase or decrease 
the level in 1 dB increments (PCS only).

• 

Press the <Page Up> or <Page Down> key to respectively increase or decrease the 
level in 10 dB increments (PCS only).

• 

Click in the level text field below the fader and enter a new value. Then, press the 
<Enter> or <Tab> key to apply the change.

• 

Click the 

Up

 or 

Down

 arrow button to the right of the level text field to respectively 

increase or decrease the level in 0.1 dB increments.

When possible, set the analog input gain using the intended input source device and typical 
source material (program material). Use pink noise when the source material is not available.
To optimize input gain with program material:

1. 

Click the 

Line Input

 tab.

2. 

Select the 

Enable Meters

 check box (Web pages only).

NOTE:  Meters are automatically enabled on the PCS.

3. 

Set the level so that the meters reach approximately -15 dBFS to -12 dBFS, with peaks 
at approximately -6 dBFS. This setting provides enough headroom to accommodate 
transients or unanticipated loud events in the program material to avoid possible 
clipping.

To optimize input gain with pink noise:

1. 

Click the 

Line Input

 tab.

2. 

Select the 

Enable Meters

 check box (Web pages only).

NOTE:  Meters are automatically enabled on the PCS.

3. 

Set the input gain so the meters read approximately -20 dBFS.

4. 

If the audio source has an output level setting control, set the output of the player to the 
maximum or 0 dB of attenuation.

5. 

If the maximum output setting provides gain, adjust the gain slightly lower than the 
maximum setting.

6. 

If the pink noise is being generated by a signal generator, set the output to -10 dBu.

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Оглавление инструкции

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