Extron electronic MVX 128 Viewing and adjusting the input audio level, Press the Enter button

Page 42

Operation, cont’d

4. Press and release the Enter button (figure 3-40). The configuration stored in memory location 13 is now the current configuration and can be viewed in the View-Onlymode (see example 4).

Press the Enter button to recall the preset.

CONTROL

ENTER PRESET VIEW ESC

The Enter and Preset LEDs return to the unlit state.

All input LEDs return to the unlit state.

Figure 3-40 — Press the Enter button

Viewing and adjusting the input audio level

The audio level of each input can be displayed and adjusted through a range of -18 dB to +24 dB to ensure that there is no noticeable volume difference among sources (figure 3-41). The audio level can be adjusted from the front panel or under RS-232/RS-422 control.

dBu

 

VU

+24

 

21

+21

 

18

+19

 

15

+16

 

12

+13

 

9

+10

 

6

+7

 

3

+4

 

0

+1

 

-3

-2

 

-6

-5

 

-9

-8

 

-12

-12

 

-15

-15

 

-18

-18

 

-21

 

dBu

VU

 

+24

21

 

+21

18

 

+19

15

 

+16

12

VCR

+13

9

+10

6

Audio

+7

3

+4

0

Inputs

+1

-3

 

-2

-6

 

-5

-9

 

-8

-12

 

-12

-15

 

-15

-18

 

-18

-21

Low Audio

Output

Output Level

Level

dBu

 

VU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Audio System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MVX 128 A

 

+24

 

21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+21

 

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+19

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No noticeable

+16

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+13

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

volume differences

+10

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+7

 

3

Audio

between sources

+4

 

0

 

Inputs

 

 

+1

 

-3

 

 

-2

 

-6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-5

 

-9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-8

 

-12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-12

 

-15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-15

 

-18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-18

 

-21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High Audio

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output Level

 

 

 

 

 

 

 

 

 

 

 

CD Jukebox

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 3-41 — Audio gain and attenuation

1.

 

Press the Esc button to clear any input LEDs, output LEDs, or control LEDs

 

 

that are lit.

 

 

2.

 

To enter the Audio mode, press and hold the Audio button until the LED

 

 

begins to blink, then release the button.

 

 

3-24 MVX 128 A VGA Matrix Switchers • Operation

Image 42
Contents VGA Matrix Switcher MVX 128 aConsignes de Sécurité Français PrecautionsSafety Instructions English Sicherheitsanleitungen DeutschQuick Start MVX 128 a VGA Matrix Switchers Plug the switcher into a grounded AC sourceMVX 128 a VGA Matrix Switchers Quick Start QS-1 QS-2 MVX 128 a VGA Matrix Switchers Quick Start Saving or recalling a presetViewing and adjusting the audio level Create a tieTable of Contents Table of Contents, cont’d One Introduction About the MVX 128 a Matrix SwitcherMVX 128 a VGA Matrix Switchers Introduction About this ManualDefinitions Features Introduction, cont’dMVX 128 a VGA Matrix Switchers Introduction Introduction, cont’d Two MVX 128 a VGA Matrix Switchers Installation InstallationMounting the Switcher Cabling and Rear Panel ViewsCaptive screw connector wiring for audio inputs Audio connectionsInstallation, cont’d RS-232/RS-422 connectionReset button Power connectionInstallation, cont’d Three Operation Front Panel Controls and IndicatorsMVX 128 a VGA Matrix Switchers Operation DefinitionsInput and output buttons Sample labelOperation, cont’d Control buttonsSee Viewing and adjusting the input audio level on Controls Power Front Panel OperationsCreating a configuration Example 1 Creating a set of video and audio ties Press and release the Esc button figurePress and release the input 5 button figure Select the outputs Press and release the Enter button figureExample 2 Adding a tie to a set of video and audio ties This example assumes that you have performed example13 Press the Enter button Example 3 Removing a tie from a set of video and audio ties 15 Clear all selections18 Deselect the output Viewing a configuration 21 Clear all selectionsRgbhv button and the Audio button figure 22 Select Rgbhv or video and audioPress and release the Rgbhv button to deselect Rgbhv figure Video AudioMuting and unmuting video and/or audio Example 5 Muting and unmuting an output28 Select Rgbhv and audio 30 Unmute the outputs Using global presets Example 6 Saving a presetLED blinks figure Press and release the Output 1 button figureExample 7 Recalling a preset Press and release the Preset button figureViewing and adjusting the input audio level 40 Press the Enter buttonWhen lit. See the table at right DB when blinking slowly, 2 dBWhen blinking quickly, and 3 dB Press and release an input buttonExample 10 Viewing and adjusting an input audio level 42 Clear all selectionsPress and release the Audio button figure View View ESC OutputsViewing and adjusting the output volume Released or the upper or lower limit is reachedAudio mode. The Audio button stops blinking Reading the displayed volume Audio output volume settingsExample 11 Viewing and adjusting an output volume level 47 Clear all selections49 Select output Locking out the front panel Executive mode Performing a system reset from the front panelEnter Preset View ESC Rgbhv Audio Selecting the RS-232/RS-422 protocol and baud ratePerforming an absolute system reset from the rear panel Rear Panel OperationsNot occur within 1 second Performing a hard reset from the rear panel Optimizing the AudioTroubleshooting Configuration WorksheetsWorksheet example 1 System equipment Worksheet example 2 Daily configuration AudioWorksheet example 3 Test configuration 61 Worksheet example 3 Test configurationOutput destinations Configuration worksheetOperation, cont’d Four MVX 128 a VGA Matrix Switchers Programmer’s Guide Host-to-Switcher InstructionsSwitcher-Initiated Messages Programmer’s GuideSwitcher Error Responses Using the Command/Response TablesX1 = Command/Response Table for SIS CommandsSymbol definitions X1@ =Command Ascii command Response Additional Description% G InX! AudX$ Audio volume adjustment settings EX!NI EZG X1* CY X1X1X1X1X1X2 Information requestsProgrammer’s Guide, cont’d Five MVX 128 a VGA Matrix Switchers Matrix Software Matrix Switchers Control ProgramInstalling the software Matrix SoftwareUsing the software Click OK and proceed to stepMatrix Software, cont’d Updating firmware Open file windowClick the Exit button to exit the firmware loader utility Windows buttons, drop boxes, and trashcan Windows menusFile menu Audio-Output volume settings Displays the audio Tools menuPreferences menu Ties shown as linesMaster-Reset selection Using emulation modeUsing the help system Button-Label Generator ProgramAppendixAA Specifications, Part Numbers, Accessories SpecificationsAudio Specifications, Part Numbers, Accessories, cont’d Included parts Replacement part Number Part Numbers and AccessoriesAccessories Adapters, power supplies, labels Part numberMale-to-male VGA molded connector cables Part number Male-to-female VGA molded connector cables Part numberMale-to-female VGA backshell connector cables Part number CablesButton Labels Figure A-1 Button label blanks, 12-button stripsSpecifications, Part Numbers, Accessories, cont’d FCC Class a Notice Extron’s Warranty Extron Electronics, EuropeExtron Electronics, USA