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

78

High pass filter

The high pass filter allows all frequencies at or above 100 Hz to pass unattenuated. All 
frequencies below 100 Hz are attenuated at 6 dB/octave to reduce background noise.
To apply or remove a high pass filter:

1. 

Click the 

Mic/Line

 tab.

2. 

In the Mic/Line input panel for the desired microphone input, click the 

High Pass 

Filter

 button. The button turns blue when enabled.

Mic/line gain

The mic/line Gain fader has a gain range of -18 dB to +60 dB. Adjustments increase or 
decrease in 0.1 dB increments. The default setting is 0.0 dB.
The gain range accommodates a line level signal, typically from line level source devices or 
a wireless microphone receiver with a line level output, or a mic level signal from dynamic or 
condenser microphones.
To adjust the mic/line gain fader:

1. 

Click the 

Mic/Line Input

 tab.

2. 

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.

3. 

To mute the mic/line gain, click the 

Mute

 button below the mic/line Gain fader.

To optimize the mic/line gan on each microphone input:

1. 

Connect the desired microphone and route the mic/line input to the desired output.

2. 

If needed, click the 

Phantom Power

 button (see 

Phantom power

 on page 77).

3. 

Set the mic/line Gain fader to 0 dB.

4. 

If the mic/line input is muted (the Mute button is red when the audio is muted), click the 

Mute

 button to unmute the mic/line input.

5. 

If necessary, select the 

Enable Meters

 check box (Web pages only).

NOTE:  Meters are automatically enabled in the PCS.

6. 

While speaking into a connected microphone, adjust the mic/line Gain fader until 
the mic/line audio input is clearly audible. Voice levels at microphone inputs can vary 
significantly, so gain and meter level readings may vary. Aim to have the meter averaging 
-20 dBFS to -15 dBFS to accommodate normal variances in voice intensity.

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