Extron electronic MLS 306 manual Audio processing connections MLS 506MA, MLS 506SA only

Models: MLS 306 MLS 506MA MLS 506 MLS 506SA

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Installation, cont’d

11Audio Out(put) connectors — Connect an audio output device to either connector for balanced or unbalanced audio output. A device such as a tape recorder can be connected to the Fixed output while speakers can be connected to the Variable output. Wire each captive screw connector as shown below.

Unbalanced Output

Balanced Output

Tip

AUDIO L

Tip

See Caution

Ring

Sleeve (s)

Sleeve (s)

Tip

OUT R

Tip

See Caution

Ring

L

AUDIO

R

OUT

CAUTION

Connect the sleeve to ground (Gnd). Connecting the sleeve to a negative (-) terminal will damage the audio output circuits.

The Fixed connector outputs audio at a fixed level and is unaffected by changes made via the front panel Volume/Adjust knob. The Variable connector outputs audio that can be attenuated by turning the Volume knob. These preamp outputs can be set for mono or stereo output via the front panel menu or the control software.

Audio processing connections — MLS 506MA, MLS 506SA only

9Effects connectors (Send, Return) — These two 3.5 mm, 3-pole captive screw connectors allow the selected audio signal to be looped through an optional recording device or equalizer before being sent to the main Audio Output ( 11 ) (preamp outputs) or the amplified audio output ( 7 or 8 ).

We recommend using shielded cables no longer than 10 feet (3 meters). These connectors should be wired as shown at right.

EFFECTS

SEND RETURN

L

R

L

R

An active, unbalanced signal is always available at

 

 

the Send connector. The Return connector accepts

 

 

the unbalanced signal that has been routed through

 

an external device. In order for the

 

 

Return connector to accept an incoming/

Left

Right

returning audio signal, you must enable

Gnd ( )

Gnd ( )

Right

Left

the Return port via the front panel LCD

 

 

menu (see pages 3-5 and 3-6) or the

 

 

Windows-based setup program.

 

Audio Processing

 

 

 

 

Device

10Aux/Mix input connector — An auxiliary balanced or unbalanced line level audio signal input at this connector can be mixed with the signal from the selected audio input. Use the front panel Mix knob to control the level of this auxiliary signal. Wire the connector as shown below, which is the same as the wiring for audio inputs 1–6.

Tip

L

Sleeve

 

Tip

R

Sleeve

 

Unbalanced Stereo Input

(high impedance)

Tip

L

Sleeve

 

Tip

R

Sleeve

 

Tip

L

Ring

 

Sleeve (s)

 

Tip

R

Ring

 

Balanced Stereo Input

(high impedance)

Tip

L

Ring

 

Sleeve (s)

 

Tip

R

Ring

 

600 ohms

Tip

L

Ring

 

Sleeve (s)

 

Tip

R

Ring

 

600 ohms

Balanced Stereo Input

 

(600 ohms)

 

600 ohms

Tip

L

Ring

 

Sleeve (s)

 

Tip

R

Ring

 

Unbalanced Mono Input

Balanced Mono Input

Balanced Mono Input

(high impedance)

(high impedance)

(600 ohms)

2-10 MediaLink Switchers • Installation

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Extron electronic MLS 306 manual Audio processing connections MLS 506MA, MLS 506SA only