Extron electronic 50 manual Viewing and adjusting the audio level

Page 33

Viewing and adjusting the audio level

The audio level of each input can be displayed and adjusted through a range of -15dB to +9dB to ensure that there is no noticeable volume difference among sources. The audio level can be adjusted from the front panel or by using Extron’s Windows-based control program.

1. Press and hold the Audio button until the Audio LED begins to blink, then release the Audio button.

2. Press and release an input button to select an input. The audio level for the selected input is displayed by the output LEDs and the polarity (+ or -) is displayed by the view or Esc LEDs.

3. Press and release the Esc () and View () buttons to increase and decrease the audio level.

4. Press and release the Audio button to exit the audio display and adjustment mode. The Audio LED stops blinking and turns off.

1. There is one audio level setting per input. The audio level setting is shared by the left and right audio inputs.

2.The audio level settings are stored in non-volatile memory. When power is removed and restored, the audio level settings are retained.

Example 8: Viewing and adjusting an audio level

See figure 3-14 and figure 3-15 and the following steps for an example of viewing and adjusting the audio level on a 12x8

Matrix 50 switcher with audio.

APress and release the Esc button. The Esc LED flashes once.

BPress and hold the Audio button for approximately 2 seconds until the Audio LED begins to blink, then release the Audio button.

CPress and release the input 5 button. The input 5 LED lights. The audio level for the selected input is displayed by the output LEDs. The polarity is indicated by either the Esc () or View () LED blinking.

Each output LED indicates 1dB when blinking and 2dB when lit.

The blinking Esc () LED indicates a positive (gain) level. The blinking View () LED indicates a negative (attenuation) level.

			Matrix 50 with audio
				Output LED					View Esc
dB	1	2	3	4	5	6	7	8
+9					B				B
+8									B
+7				B					B
+6									B
+5			B						B
+4									B
+3		B							B
+2									B
+1	B								B
0									B
-1	B								B
-2									B
-3		B							B
-4									B
-5			B						B
-6									B
-7				B					B
-8									B
-9					B				B
-10									B
-11						B			B
-12									B
-13							B		B
-14									B
-15								B	B

Matrix 50 Series Switchers • Operation 3-13

Image 33

Contents Matrix 50 Series Matrix Audio/Video SwitchersConsignes de Sécurité Français Safety Instructions EnglishSicherheitsanleitungen Deutsch Instrucciones de seguridad EspañolQS-1 Quick Start Matrix 50 Series SwitchersQuick Start Matrix 50 Series Switchers, cont’d Table of Contents Table of Contents, cont’d Matrix 50 Series Switchers Table of Contents Iii Iv Matrix 50 Series Switchers Table of Contents One About the Matrix 50 Series Switchers Matrix 50 Series Switchers IntroductionIntroductiontroduction, cont’d Matrix FeaturesIntroduction, cont’d Matrix 50 switcherMatrix 50 Series Switchers Introduction Introduction, cont’d Two Rack Mounting the Switcher Installationstallation, cont’dMatrix 50 Series Switchers Installation Cabling and Rear Panel ViewsPower connection Video input and output connections video models onlyAudio input and output connections audio models only RS-232/422 connection Installation, cont’dSimple external sync connection example External sync connectionMultiple device external sync connection example Additional rear panel viewsThree Operationeration, cont’d Front Panel Controls and IndicatorsDefinitions Input buttons, output buttons, and LEDsControls Creating a configuration PowerOperation, cont’d Front Panel OperationsExample 1 Creating a tie Example 1 Creating a set of video and audio tiesExample 3 Removing a tie from a set of video and audio ties Example 2 Adding a tie to a set of video and audio tiesExample 3 Selecting audio and selecting input Viewing a configurationExample 4 Viewing the current configuration Example 4e Viewing the current configuration, audio only Example 5 Muting and unmuting an output Muting and unmuting video and/or audio11 Example 5, step d Muting and unmuting outputs Using global memory presetsExample 7 Recalling a preset Example 6 Saving a presetExample 8 Viewing and adjusting an audio level Viewing and adjusting the audio level14 Example 8 Viewing the audio level Executive mode front panel security lockoutSystem reset to factory defaults TroubleshootingPlasma display S-video problem Worksheets16 Worksheet example 1 System equipment Worksheet example 1 System equipment17 Worksheet example 2 Daily configuration Worksheet example 2 Daily configuration18 Worksheet example 3 Test configuration Worksheet example 3 Test configurationConfiguration worksheet Operation, cont’d Four Switcher-Initiated Messages Host-to-Switcher InstructionsMatrix 50 Series Switchers Programmer’s Guide Programmer’ser’sGuide,Guidecont’dUsing the Command/Response Table Switcher Error ResponsesCommand/Response Table Command Ascii Command Response Additional descriptionProgrammer’s Guide, cont’d Command/response table for SIS commands Cont’d View ties, gain, and presets Five Installing the software Matrix Switcher+ Control ProgramUsing the software MatrixSoftware,cont’dWindows buttons Extron Matrix Switcher+ Control Program window blankWindows menus Matrix Software, cont’dUsing emulation mode Using the help systemButton-Label Generator Extron’s Button-Label Generator window AAppendix a Matrix 50 Series Switchers Specifications Specificationsecifications, cont’dAudio input Matrix 50 Series switchers part numbers Specifications, cont’dPart Numbers Matrix 50 Option KitsCables Optional AccessoriesPre-cut cables Extron Part BNC-4 Mini HR CableVideo Cable AppendixBB Opening the switcher Hardware ProceduresMatrix 50 Series Switchers Reference Information ReferenceInformation,co t’dFigure B-2 Side view, Matrix 50 S-video and audio switcher Closing the switcherReference Information, cont’d Installing a video moduleRemoving a video module Removing a video module on page B-5 Installing an audio moduleRemoving an audio module On page B-3Swapping the serial ports Figure B-8 Key and pin 1 mark Installing a firmware updateReplacing the AC fuse Setting the front panel jumperButton Labels Matrix 50 Series Switchers Reference Information B-11Blank Figure B-10 Button label blanks, 12-button strip Matrix 50 Series Switchers Reference Information B-13Reference Information, cont’d FCC Class a Notice Extron’s Warranty Extron Electronics, USA