background image

68-877-50 
Rev 

A

 

05 11

4

Viewing and Adjusting the Audio Input Gain

1. 

Apply audio signals to all inputs to be adjusted.

2. 

Press and hold the Audio Setup (I/O) button for 2 seconds until the Audio LED lights. 

AUDIO SETUP

AUDIO SETUP

The LED lights.

Release the button.

2 seconds

Press and 

hold

 the button.

3. 

Press an input button (see the MVX Matrix Switchers User Guide to read the displayed value).

OUTPUTS 

The Output 1 through 3 
LEDs display the audio 
level range of the input.

Press and release an input button.

The input 
LED lights. 

+dB

-dB

+/–dB LEDs
show polarity.

Power blinks to 
show the 
signal level.

4. 

Increase and decrease the audio input gain by pressing the 

>

 and 

<

 buttons until the audio 

    button decreases 
the audio level.

button increases

the audio level.

 

indicator (Power LED) blinks frequently. (The Power LED blinks frequently when the audio level 
of the selected input has been adjusted to the –10 dBV internal reference level.)

5. 

For other inputs, repeat steps 3 and 4.

Front Panel Security Lockout (Executive Mode)

The front panel security lockout limits the operation of the switcher from the 

PRESET

ENTER

PRESET

2 seconds

Press and 

hold

 the

Enter and Preset buttons.

The Preset LED 

flashes

 twice to indicate that the 

front panel lockout has been toggled on or off.
Release the Enter and Preset buttons.

 

front panel and optional IR remote control. When the switcher is locked, the Enter 
button, I/O button (video, audio, or video and audio selection), and all of the 
front panel audio gain and attenuation functions are disabled. The front panel 
input and output buttons continue to allow ties to be viewed, but ties cannot be 
created.
The front panel security lockout also disables the IR remote sensor to lock out 
remote control functions.
Press and hold the Enter button and the Preset button simultaneously for 
approximately 2 seconds to toggle the lock on and off.

Selected SIS Commands

The table below shows a partial list of SIS commands the you can use for operation and configuration of the switcher. 
For a complete listing, see the MVX Matrix Switchers User Guide. Run the following commands from a PC connected to the 
RS-232 port (

item 

d

 on page 1). Set gain (

G

) and set attenuation (

g

) are the only case sensitive commands 

Command

ASCII Command

 

(Host to Unit)

Response

 

(Unit to Host)

Additional Information

Tie input 

X!

 video and audio 

to output 

X@

 

X!

*

X@

!

Out

X@

In

X!

All

]

Tie input 

X!

 video to output 

X@

X!

*

X@

&

Out

X@

In

X!

RGB

]

Video is broken away.

Tie input 

X!

 audio to output 

X@

X!

*

X@

$

Out

X@

In

X!

Aud

]

Audio is broken away.

Quick, simultaneous, multiple tie

E

+Q

X!

*

X@

!

...

X!

*

X@

$

}

Qik

]

!

 (video and audio), 

&

 (video), and 

$

 (audio) are all valid.

Tie input to all outputs

X!

*!

In

X!

All

 (or 

RGB

 or 

Aud

)

]

&

 (video) and 

$

 (audio) are also valid.

Video mute and unmute

X@

*

X#

B

Vmt

X@

*

X#]

X@

 = output, 

X#

 = 0 (mute off) or 1 (mute on).

Audio mute and unmute

X@

*

X#

Z

Amt

X@

*

X#]

X@

 = output, 

X#

 = 0 (mute off) or 1 (mute on).

Set audio input level to +dB value

X!

*

X$

G

In

X!

Aud

X%]

X!

 = input, 

X$

 = 00 to 10, 

X%

 = -18 to +10 dB.

Set audio input level to -dB value

X!

*

X^

g

In

X!

Aud

X%]

X!

 = input, 

X^

 = 00 to 18, 

X%

 = -18 to +10 dB.

Set audio output level

X@

*0*40#

Out

X@

Lv

X&]

X@

 = output, 

X&

 = 0 (consumer, -10 dBV) or 1 (pro, +4 dBu).

Save a global preset

X*

,

Spr

X*]

Save the current configuration. 

X*

 = 01 through 16.

Recall a global preset

X*

.

Rpr

X*]

X*

 = 01 through 16.

Set RGB delay

EX@

*

X(

D

}

Out

X@

Dly

X(]

X@

 = output, 

X(

 = RGB delay in ½ second increments (5 sec. max.).

Lock and unlock front panel

X1)

X

Exe

X1)]

X1)

 = 0 (unlocked) or 1 (locked).

]

 = Carriage return/line feed 

}

 = Carriage return (no line feed) 

• = space 

E

 = Escape key

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Headquarters

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MVX Matrix Switchers • Setup Guide (Continued)

Summary of Contents for MVX Series

Page 1: ... pole captive screw connectors Ring Sleeve s Tip Tip Ring Sleeve s Tip Tip Unbalanced Stereo Output Balanced Stereo Output NO GROUND HERE NO GROUND HERE L R Do not tin the wires CAUTION For unbalanced audio connect the sleeves to the ground contact DO NOT connect the sleeves to the negative contacts d RS 232 connector Connect a host device such as a computer or control system to the switcher RS 23...

Page 2: ... Preset mode or Recall Preset mode Save Preset mode saves a configuration as a preset Recall Preset mode recalls and activates a previously defined preset The Preset button indicates Save Preset mode when it is blinking and Recall Preset mode when it lights steadily g I O and Audio Setup button Press and release Cycles through video and audio video only or audio only for input and output selection...

Page 3: ...r the self test video and audio are selected and the configuration and audio settings are the same as they were when power was removed Creating a Tie 1 Press and release the I O button to select lit or deselect unlit the Video LED audio LED or both as desired 2 Press and release the desired input button 6 5 4 INPUTS Press and release the Input 5 button The Input 5 LED lights to indicate that input...

Page 4: ...l list of SIS commands the you can use for operation and configuration of the switcher For a complete listing see the MVX Matrix Switchers User Guide Run the following commands from a PC connected to the RS 232 port item d on page 1 Set gain G and set attenuation g are the only case sensitive commands Command ASCII Command Host to Unit Response Unit to Host Additional Information Tie input X video...

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