Evs XSense Version 11.02 - July 2013 Operating Manual Bedienungsanleitung

OperatiOn ManualVersion 11.02 - July 2013

2. Working Interfaces2.1. OverviewSeveral User InterfacesThe EVS server can be operated from several user interfaces that can workcomplementarily:• VG

Multicam BehaviorWhen adding a cut to a clip, Multicam will behave as follows:• The transition applied at the cut point is a cut (for both audio and v

How to Trim Clips in a PlaylistTo trim clips in a playlist, proceed as follows:1. Browse to the desired element in the playlist.2. Re-mark a new Short

5.7. Transition and Audio Operations5.7.1. Overview on Transition EffectsIntroductionYou can apply effects on the audio and video transitions of a cli

Available Video Transition EffectsThe following video transition effects can be defined. By default, the audio transition isalways a mix when the spli

Associations of Audio and Video Transition TypesThe following table shows the possible associations of audio and video transition effectswhen the Audi

5.7.2. Adding Transition Effects in a PlaylistTransition Effects CommandsThe functions related to transition effects are available from the main menu

The following effect types are available:Command DescriptionC CutM MixW Wipe> Fade to color< Fade from colorV Fade to/from color4. To modify the

Replace Edit ModeThis mode allows to specify the following information for the Replace:• IN point and OUT point, for the section to replace in the pla

How to Perform a ReplaceFirst define the Replace function in the Replace Edit mode. Then execute the Replacefunction in the Replace Playback mode.To p

On the Remote Panel, a confirmation message pops up:Replace in/out by clip xxx ?MENU: Cancel – ENTER: OK10. Press ENTER on the Remote Panel to

VGA InterfaceWhen turning on the EVS mainframe, the first step is the PC boot sequence, then theMulticam Setup window is displayed:• If a default appl

5.7.4. Swapping Audio TracksIntroductionThe swap audio tracks mode allows swapping audio tracks between two points in aplaylist. This function can onl

4. Mark an IN point.The OSD screen indicates the following information:In dual stereo mode:*PL11/03* LEFT 06:42:22V Mix 02:25 Spd.UnkA Mix 02:25 A.D

Specific Behavior• One can set as many swap points as needed.• If only an IN swap point is set for one clip, the audio tracks will be reset by default

2. When the choice is made, the operator selects by which track the selected one has tobe replaced:◦ In 2-Track mode: select the new track between 1,

When the playback of the playlist is not started from the beginning, the system calculatesthe offset between the current position and the beginning of

Default Transition Duration with Split Audio• The simplest type of split audio edit that can be performed on an Xsense is to makethe video and audio t

OSD DisplayOn the monitor display, additional information is also displayed when the split audio modeis active:The information displayed below the pla

5.7.7. Extending a Transition in Split AudioIntroductionWhenever you perform a video or audio split on the Remote Panel, the transition originallyset

110 5. Playlist ManagementEVS Broadcast Equipment S.A. Issue 11.02.A July 2013

Changing the Audio or Video Effect DurationIntroductionWhen you change the video or audio effect duration, you extend or reduce the duration ofthe vid

2.2. Remote Panel Controls2.2.1. General LayoutThe following diagram shows the Remote Panel along with a brief description of eacharea.NoteThe operati

How to Change the Audio Effect DurationTo change the audio effect duration, proceed as follows:1. Enter the Playlist Edit mode.2. Browse to the desire

Audio is extended from the end of the previous clip and the audio on the clip being edited isshortened.How to Insert an Audio AdvanceInserting an audi

How to Add an Audio SplitWhen you perform an audio split, you specify the TC for the beginning or the end of theaudio transition. In this case, you ca

How to Insert a Video AdvanceInserting a video advance consists of advancing the beginning of the video transitioncompared to the audio transition.To

Video from the previous clip is extended and video from the clip being edited is shortened.How to Add an Video SplitWhen you perform a video split, yo

OUT Key Colors in Playlist Mode• When the Playlist is sitting on the Video and Audio OUT point of a Clip, the OUT keywill light red.• When the Playlis

6. Timeline Management6.1. IntroductionDescriptionNoteThe timeline feature is a software option, which requires the license code 112being installed. F

6.2. Timeline Mode6.2.1. Overview of the Timeline ModeHow to Access the Timeline ModeThe Timeline mode available from the Remote Panel allows you to e

6.2.2. Functions in Timeline ModeMain Menu FunctionsThe main menu appears as follows on the Remote Panel. The functions with an asteriskare only displ

Secondary Menu FunctionsThe secondary menu appears as follows on the Remote Panel. The functions with anasterisk are only displayed when they can be u

Ref. Command Function1. F-keys & smallbuttonsMulti-purpose keys2. Soft keys With LCD display, allows the operator to enter theMulticam MENU system

6.2.3. Display in Timeline ModeOn-Screen DisplayThe screenshot below shows the OSD display when the timeline is loaded in TimelineEdit mode. The follo

# Information Type Description8. TL remaining time Remaining time to the end of the timeline, that is tothe last timeline element (black clip).9. Time

6.3. Managing Timelines6.3.1. Creating TimelinesIntroductionThe timelines can be created in one of the following ways:• Using the Remote Panel, you ca

3. Press the B key (CopyToTL option) to copy the source playlist onto the selectedposition, and convert it at the same time into a timeline.4. Press E

6.3.2. Copying TimelinesIntroductionCopying a timeline works exactly in the same way as copying a playlist. For this reason,this section will only pro

6.4. Editing Timelines6.4.1. Overview of Editing FeaturesEditing ModeTwo editing modes are available when you perform editing actions in a timeline: I

Supported Editing FeaturesIn Multicam, the following editing features are available:Editing Feature DescriptionInsert (3-point edit) Allows inserting

6.4.2. Adding Clips to a TimelineAdding a clip to a timeline is the only editing action you can perform on any timeline on theRemote Panel, whether it

Multicam BehaviorWhen adding a cut to a clip, Multicam will behave as follows:• The transition applied at the cut point is a cut (for both audio and v

6.4.4. Inserting Material into a TimelineOverviewDescriptionThe Insert feature in Multicam consists of inserting new material into the timeline. Theti

Ref. Command Function5. Operational Block 2PLAY Initiates playbackNETWORK Enters the XNet menu (connects to other servers on thenetwork).LAST CUE Re-c

Example of Three-Point Edit132 6. Timeline ManagementEVS Broadcast Equipment S.A. Issue 11.02.A July 2013

Example of Four-Point EditOPERATION MANUAL XSense 11.026. Timeline Management 133

How to Insert Material Into a TimelineProcedureTo perform an Insert (3- or 4- point edit), proceed as follows:1. Recall the requested timeline by sele

6.4.5. Deleting Part of a TimelineIntroductionIt is possible to delete:• a timeline element on which you define a Mark IN or Mark OUT• a portion of a

6.4.6. Extending a Timeline ElementIntroductionThe Extend feature in Multicam consists in extending the length of a timeline element byextending the I

Extend From OUTThis editing action shifts the IN point of the timeline element which includes the MarkOUT to the defined Mark IN. The following schema

5. Press the D key (Extend) to perform the Extend action.The LCD display and menu change to become the following one:Extend?[Menu]: C

6.4.7. Changing the Speed of a Timeline ElementDescriptionYou can modify the playout speed of the timeline element loaded on your Remote Panel inTimel

How to Change the Speed of a Timeline ElementTo change the playout speed of an element of a timeline loaded in Timeline mode, proceedas follows:1. Bro

4. Select the Overwrite or Insert mode by pressing D on the Remote Panel.By default, the Overwrite mode is active.5. If you need to access the second

2.2.3. Function Keys & Small KeysKey FunctionProvides access to the secondary menu. Also used as CANCEL in somemessages when confirmation is requi

3. Select the Effect command by pressing SHIFT+D on the Remote Panel.The LCD display of the timeline element changes to show the effect type and durat

6.5. Playing Out TimelinesIntroductionYou can play out:• Any local or remote timeline that has been created on the Remote Panel or in IPEdit.• A local

In the Remote Panel InterfaceThe information displayed on the Remote Panel in the Timeline Playout mode is the sameas in the Timeline Edit mode:TL13 &

7. Keyword Management7.1. OverviewEach clip of the server can be assigned 3 keywords and a ranking.◦ Values for ranking are: -, *, **, ***.◦ Keywords

The operation of both On-Air and Off-Air Keyword screens is entirely similar.• The name of the current keyword file is displayed in the centre of the

7.2. Managing Keyword FilesThe keyword file is a simple text file:◦ With a name of maximum 8 characters.◦ With a .KWD extension.◦ Located in the Multi

Creating a Keyword FileCreating a keyword file can be done on any computer with a simple text editor. Make surethe file name does not exceed 8 charact

Editing the Keyword File in the VGAInterfaceThe Keyword file can also be edited directly in the Multicam application using the Off-AirKeyword screen

To edit a keyword in the current file:1. Move the cursor to the desired keyword location, using either the arrow keys or thestylus.2. Type the new key

Assigning Keywords in List ModeTo assign keywords to a clip in list mode, recall the clip, then press MENU to access thesecondary clip menu on the Rem

2.2.4. Soft Keys and LCD DisplayThe soft keys have primary and secondary functions and are divided into upper and lowersections.The LCD display is div

PGM1 Cam A *PRV1* Cam BPush PgmSpd Sw To In Pref>Archive *** Name CamP.1 B.1 Clips: Local Records: LocalPL 11: < >Msg:*** Lo

7.4. Clearing KeywordsIn the VGAInterfaceClearing a Keyword Using the Keyboard1. Press the TAB key to move the arrow cursor to the lower area of the

7.6. Naming a Clip Using the KeywordsIn the VGAInterface1. Move the cursor to the desired keyword.2. Press ALT+N.3. The keyword is added at the end o

Search Based on KeywordsSelect the keywords that you want to use as search criteria the same way as you selectthem during assignment to a clip, in LIS

Search LOC / Search NETOnce the search criteria are defined:• Use the Srch Loc command (press the C key) to search the local clips database.• Use the

Return CommandUse the Return command (press the A key) to exit the search function without performingany search.In the VGAInterfaceThe Search WindowP

Search CriteriaDifferent criteria can be combined to search the database. They can be defined in thesearch criteria available at the bottom of the scr

Criteria DescriptionKeywords This restricts the search to the clips containing all keywordsdefined in this screen.• Move the cursor to the desired key

• To clear all criteria at once:◦ Press ALT+DEL or click on ALT+DEL:CLR ALL.◦ All keywords, timecode, Date From and Date To fields assigned as search

For each clip, the following information is displayed:• Position in the list• Clip ID• Clip name• Timecode of Short IN and Short OUT points◦ Timecodes

2.2.5. Jog DialThe jog dial allows the operator to pass into Search mode and thus to choose exactly theShort OUT or Short IN image.Move the jog dial c

8. Operation on XNet Network8.1. OverviewThe XNet Network is set up in the EVS application. For more information, on how to setup the XNet Network and

The LCD display returns to the normal mode and the names of the remote systems arenow displayed after the Page and Bank information as illustrated her

In the VGAInterfaceOnce the desired mode and the remote system are selected on the Remote Panel, thenames of the remote systems are displayed in the

8.3. Recalling and Playing Back a RemoteClipIn the Remote Panel InterfaceTo recall/play back a remote clip, proceed as follows:1. Select the Clip mode

8.4. Naming a Remote ClipNoteThis operation requires action on both the Remote Panel and the VGA interface.To name a remote clip, proceed as follows:1

8.6. Inserting Remote Clips into a PlaylistIn the Remote Panel InterfaceTo insert remote clips into a playlist, proceed as follows:1. Select the remot

8.8. Creating Local Clips with RemoteRecord TrainsIn the Remote Panel InterfaceTo create local clips with remote record trains, proceed as follows:1.

8.9. Disconnecting from XNetWhen you work on the XNet Network and exit Multicam, the system checks if othersystems are still connected to your server.

9. Advanced Control Modes9.1. Video DelayWhen the Multicam software has been configured with a base configuration = Video Delayin the Channel Paramete

How to Configure the Video Delay Parameters of a PlayChannelTo configure the Video Delay Parameters of a Play Channel, proceed as follows:1. Select th

Press ENTER to confirm the locking of the remote.When a remote is locked:◦ The CLEAR and MENU keys, used for unlocking, are flashing green.◦ All other

Odetics ProtocolThis protocol is based on the Sony BVW75 protocol for all standard transport commands.It has extended commands so that it supports cli

To learn more about EVS go to www.evs.comCorporate+32 4 361 7000North & Latin America+1 973 575 7811Asia & Pacific+852 2914 2501Other regional

The Main menu has special function key operations as shown above, as well as the “soft”keys options to enter 1PGM, 1PGM+PRV, 2PGM, or 3PGM modes (if a

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Function Key UseF7: Clear all clips Clears all clips. All clips will be lost. A confirmation of thiscommand is required.For more information to this a

CLEARThis function clears the IN / OUT/ playlist / CLIPS / CUE points.Note• To clear one CUE point, recall the desired cue point and pressCLEAR+MARK k

PLSTThis function is not active if the current playlist is empty. If the current playlist is notempty, pressing PLST once enters the Playlist Edit mod

INThis function defines the IN point of a clip. The key will light differently depending on thefollowing situations:• Green key The key lights green i

TAKE• In PGM+PRV mode, pressing this button swaps cameras on PGM and PRV monitors• In Multi-PGM mode, pressing this button toggles between CAM selecti

Goto TCThis function allows you to jump to a given timecode in the loaded train or clip.How to Go to a Given TimecodeTo go to a given timecode, procee

Last CueThis function re-cues the EVS server to previous cue point relative to the current timecodeposition. Each time the Last Cue button is pressed,

PRVCTLThis function enables/disables the Preview Control mode.2.3.5. Rebooting the System from the RemotePanel«Hard Reboot»In the event that the syst

3. Control Modes3.1. Live, Search or Playback ModeMulticam can be set in three different basic modes, depending on commands used:Live (E2E) ModeThis m

How to Enter the PGM+PRV ModeTo enter the 1PGM+PRV mode, press A from the Main menu. The Remote Panel will thendisplay the following screen:PGM1 CAM A

CopyrightEVS Broadcast Equipment S.A.– Copyright © 2010-2013. All rights reserved.DisclaimerThe information in this manual is furnished for informatio

NoteIn 5CAM configuration (5 recorder channels and 1 player channel) or whenloading a clip where CAM E or F exists, the operational menu will display:

2nd CTRLRst Cam Local Sync Prv 2nd CTRLCam A Cam B Cam C Cam DThis function allows the operator to swap the control of one or several play channelsbet

PgmSpd / VarMaxAud.Met. PgmSpd PostRollMix. Sw to IN Search PrefPressing PgmSpd once enables the Program Speed mode and highlights this function onthe

Post-RollAud.Met. PgmSpd PostRollMix. Sw to IN Search PrefWhen the post-roll mode is enabled, that function is highlighted on the LCD and a “P”appears

How to Enter the Multi-PGM ModeTo enter the Multi PGM mode, press B from the Main menu. This button is labeled'1PGM', '2PGM', or

Sync ToRst Cam Local Sync To 2nd CTRLPGM 1 PGM 2 PGM 3 TOGGLEThis button allows you to synchronize the selected PGM in use with another one. Pressthis

How to Assign a Camera to a ChannelIn Multi PGM mode, to change the current camera on each PGM, proceed as follows:1. In the primary menu, select the

Practical exampleThe operator builds a playlist with Fills and another playlist with Keys. He sets the PlaylistLoad parameter to Conditional in the se

3.4. Synchronization Mode (Switch To In)The Synchronization mode allows users to define how they jump from one camera to theother. The Synchronization

3.6. Controlled and Primary ChannelsControlled ChannelA channel is "controlled" when the operator can control it with the jog dial. In this

Table of ContentsTABLE OF CONTENTS IIWHAT'S NEW? VI1. OVERVIEW 12. WORKING INTERFACES 22.1. Overview 22.2. Remote Panel Controls 42.2.1. General

Interactions between IPDP and MulticamWhen a Remote Panel and an IPDirector share the control of some PGMs in exclusivesecondary control mode, the fol

4. Clip Management4.1. Introduction4.1.1. Clip StructureConceptsA clip is defined by Short IN and Short OUT points. When referring to Short IN and Sho

General PrinciplesProtect IN & Protect OUT points of a clip cannot be replaced by new ones.Short IN & Short OUT points of a clip can be replac

Clip Hierarchy DiagramThe following diagram represents the hierarchy of the Multicam clip numbering system.As an example, clip number “112” is used:Cl

4.1.3. Clip Availability on DisksVarious clip types can be distinguished depending on whether they are available on thedisks or not. Depending on the

Secondary Menu Without Keyword File DefinedIf no keyword file is selected in the setup, the LCD display will be:1keyword8901 2keyword8901 3keyword890

• If no default target is defined, the list of machines available on the network will appear.As soon as the operator selects one of them, the clip is

Ranking (***)Push Aux Clip PostRoll>Archive *** Name CamThe Ranking function allows assigning a ranking to the current clip. Pressing severaltimes

4.3. Clip Functions on the VGA4.3.1. VGA Interface - Clip ScreenStandard ViewThe navigation through the Clip screen, and the various functions availab

Extended ViewThe extended view shows cameras A to F instead of A to D. Only 1 bank can be viewed ata time. The switch between standard and extended vi

4.1.1. Clip Structure 334.1.2. Clip Numbering Hierarchy 344.1.3. Clip Availability on Disks 364.2. Clip Functions on the Remote Panel 364.2.1. Remote

Clip Information AreaThe next area is the Clip Information Area which displays the clips of the selected pageand bank(s). Two clip banks are displayed

Function Key DescriptionName F1 This function is used to name a clip.Clip/Cam F2 This function toggles between CLIP mode and CAMmode.• In CLIP mode, a

Connect Function (F9)This option calls the CONNECT window. This window allows the operator to connect tothe clips and record trains of other machines

Clip Management AreaName Capture FieldThis is the only capture area of the screen. It is used to enter the name to assign to aclip/playlist, or to ent

Command DescriptionALT+Z:>ARCHIVE Allows the operator to flag a clip to place it in the archive queue ofthe XFile defined in the Operational Setup

4.3.3. VGA Interface - VDR PanelVDR PanelThe VGA VDR Panel is accessed from any VGA screen by pressing SHIFT+F9 on thekeyboard. The lower section of t

The name of the channel currently assigned to each window is displayed on the top ofeach of them. To assign a new channel to this window, press ALT+H.

The following functions are available to play and browse the current element:Command DescriptionALT+P Play from / Pause on the current pictureALT+Y Pl

The VDR Panel Recorder can be used to start/stop the record, and to create clips from thelocal record trains. For example, it allows the creation of c

4. Press SHIFT+Page+F_ key to select the page where the clip will be stored (page 1contains clips 110 to 199, page 2 contains clip 210 to 299, and so

5.6.4. Changing the Camera Angle of a Playlist Element 915.6.5. Adding Cuts in Playlist Elements 915.6.6. Trimming Clips into a Playlist 925.6.7. Sort

9. Press ALT+S to open the 'Save as' window. If needed, you can name or rename theclip. Press ENTER to save the clip to the current cursor l

Options for Camera Angle Selection• If PREF is 'ON', the preferred camera angle of the clip appears on the primarychannel, the secondary cam

In the VGAInterfaceIntroductionIn the Clip window, use the keyboard keys to move through pages/banks, as well asselect and recall clips. The main com

To recall a clip on another server than the one you are connected to, proceed as follows:1. Enter the 3 or 4 digits of the ID, followed by a slash mar

4.4.3. Deleting ClipsIntroductionYou can delete any clip available on disks as well as growing clips, but:• Loaded clips cannot be deleted.• Clip that

Deleting All Unprotected Clips in a BankTo delete all unprotected clips stored on a given bank, proceed as follows:1. Select the page where the bank t

In the VGAInterfaceTo delete a clip, proceed as follows:1. Move the cursor to the clip to delete.2. Press CTRL+DEL or click on the corresponding area

3. Select the COPY or MOVE function by pressing the A or B key. The selected functionwill be highlighted on the Remote Panel and the message will be u

In the VGAInterfaceCopying and moving clips is performed using the CUT, COPY and PASTE functionsavailable in the Clip Management area.How to Copy a C

How to Copy a Clip in the VDR Panel PlayerTo copy a clip from the VDR Panel Player, proceed as follows:1. Load the original clip2. Press ALT+S to save

8. OPERATION ON XNET NETWORK 1628.1. Overview 1628.2. Selecting a Network Server 1628.3. Recalling and Playing Back a Remote Clip 1658.4. Naming a Rem

4.4.6. Restriping ClipsLimitation of the Remote Panel InterfaceThe function to restripe the timecode of a clip via the Remote Panel is restricted asfo

In the VGAInterfaceTo restripe the timecode of a clip, proceed as follows:1. Move the cursor on the desired clip and press ENTER or click on it with

4.4.7. Shortening a ClipYou can shorten a clip using the Remote Panel.To shorten a clip, proceed as follows:1. Recall the desired clip by pressing the

In the VGAInterface1. In the Clip window, highlight the clip and press the CTRL+DELETE keys.2. When the confirmation dialog box opens, press ENTER to

5. Playlist Management5.1. IntroductionPlaylist CreationPlaylists can be created on the server:• via the Xsense Remote Panel and/or the Multicam user

5.2. Selecting Playlists or TimelinesPlaylist or Timeline LSM IDThe playlist/timeline numbering system is as follows:In the above example, the• “5” re

5.3. Playlist Functions on the RemotePanel5.3.1. Edit and Playout ModesIntroductionTwo modes are available on the Remote Panel to access and manipulat

Accessing the Playlist Playout ModeWhen you load a playlist pressing the PLST key on the Remote Panel, you need to pressPLST a second time to enter th

FX DurThe FX Dur function (C key) sets the duration of the transition effect. The default valuethat initially appears is determined by the value set i

OtherAngThe OtherAng (Other Angle) function (SHIFT+C key) allows the operator to replace thecurrent playlist element by another playlist element showi

What's New?In the Operational manual, the icon has been added on the left margin to highlightinformation on new and updated features.The changes

SkipWhile the playlist is rolling, the next clip in the sequence is always displayed on the PRVscreen. The Skip function allows the operator to discar

Display Depending on the Load Playlist SettingWhen the Load Playlist parameter is set to ‘Conditional’ in the Operational Setup menu onthe Remote Pane

For each playlist the following information is displayed:Field DescriptionPlaylist ID Unique identifier of the playlist on the server.Ex: PL16Playlist

5.5. Operations on Playlists5.5.1. Setting and Loading PlaylistsIntroductionA distinction is made between setting and loading a playlist:• When you lo

To load the current playlist, continue as follows:6. Press PLST to load the current playlist on a player channel (it cannot be empty).To exit the play

Playlist Speed• The playlist speed is defined in the playlist.• If the speed for a Super Motion clip is set to “UNK”, pressing the PLAY key on thatcli

1. In the Clip window, go to the requested playlist bank by pressing ALT+Down Arrowin the requested page.2. Highlight the requested playlist and press

Available Copy ActionsThe basic principle is that only copies to the local EVS server are possible, whereascopies to a distant EVS server are not supp

6. Specify whether to copy the EDL with or without the clips:◦ Press ENTER to copy only the EDL without copying the elements contained inthe original

How to Copy a Distant PlaylistTo copy a distant playlist, proceed as follows:1. Press F9 to open the Connect window.2. With the DOWN ARROW and UPARRO

1. OverviewThe aim of this manual is to familiarize the operator with the Multicam software for EVSHigh Definition and Standard Definition servers, an

5.5.5. Naming a Playlist or Playlist ElementIntroductionYou can name or rename a playlist or one of its elements only from the VGA interface.NoteWhen

How to Name a Playlist ElementTo name the current element in the loaded playlist from the VGA Playlist window, proceedas follows:NoteThis function is

How to Loop Back a Playlist into the ServerTo consolidate a playlist using the internal Loop mode, proceed as follows:1. Add the requested effects to

How to Activate the Continuous Timecode RegenerationTo activate the continuous timecode regeneration, proceed as follows:1. In the Playlist page (F10)

How to Add Clips at the End of the Current PlaylistYou can create a playlist very quickly. The experienced operator can include a clip at theend of th

How to Insert the Result of a Clip Search into a PlaylistWorking Principles• In Playlist Edit mode with a PRV channel, when PRV CTL is enabled, the op

5. Do one of the following:◦ To insert only one clip at the end of the playlist, browse to the clip and pressENTERon the Remote Panel.◦ To insert only

5.6.2. Deleting and Moving Playlist ElementsIntroductionJust as you can add clips into a playlist only with the Remote Panel, deleting clips from apla

5.6.3. Browsing Within a PlaylistIntroductionYou can browse within a playlist in different ways in the Remote Panel:• Browse through the content of ea

5.6.4. Changing the Camera Angle of a PlaylistElementFrom the Remote Panel, you can change the camera angle of a playlist element if thematerial is st