diff --git a/client/src/app/core/repositories/projector/projector-repository.service.ts b/client/src/app/core/repositories/projector/projector-repository.service.ts
index e3f0d18b0..b36634b87 100644
--- a/client/src/app/core/repositories/projector/projector-repository.service.ts
+++ b/client/src/app/core/repositories/projector/projector-repository.service.ts
@@ -43,7 +43,7 @@ export class ProjectorRepositoryService extends BaseRepository<ViewProjector, Pr
         private http: HttpService,
         private translate: TranslateService
     ) {
-        super(DS, mapperService, viewModelStoreService, Projector);
+        super(DS, mapperService, viewModelStoreService, Projector, [Projector]);
     }
 
     public getVerboseName = (plural: boolean = false) => {
diff --git a/client/src/app/shared/components/projector-button/projector-button.component.html b/client/src/app/shared/components/projector-button/projector-button.component.html
index 9336d7e63..4d6fe56b6 100644
--- a/client/src/app/shared/components/projector-button/projector-button.component.html
+++ b/client/src/app/shared/components/projector-button/projector-button.component.html
@@ -3,14 +3,14 @@
         [ngClass]="isProjected() ? 'projector-active' : 'projector-inactive'">
         <mat-icon>videocam</mat-icon>
     </button>
-    <button type="button" *ngIf="menuItem" mat-menu-item (click)="onClick()"
-        [ngClass]="isProjected() ? 'projector-active' : 'projector-inactive'">
-        <mat-icon>videocam</mat-icon>
-        <span translate>Project</span>
-    </button>
     <button type="button" *ngIf="text && !menuItem" mat-button (click)="onClick($event)"
         [ngClass]="isProjected() ? 'projector-active' : 'projector-inactive'">
         <mat-icon>videocam</mat-icon>
         {{ text | translate }}
     </button>
+    <button type="button" *ngIf="menuItem" mat-menu-item (click)="onClick()"
+        [ngClass]="isProjected() ? 'projector-active' : 'projector-inactive'">
+        <mat-icon>videocam</mat-icon>
+        {{ (text || 'Project') | translate }}
+    </button>
 </ng-container>
diff --git a/client/src/app/site/agenda/components/list-of-speakers/list-of-speakers.component.html b/client/src/app/site/agenda/components/list-of-speakers/list-of-speakers.component.html
index e75339092..cf3a3008f 100644
--- a/client/src/app/site/agenda/components/list-of-speakers/list-of-speakers.component.html
+++ b/client/src/app/site/agenda/components/list-of-speakers/list-of-speakers.component.html
@@ -11,20 +11,6 @@
     </div>
 </os-head-bar>
 
-<!-- Select projector -->
-<mat-card *ngIf="currentListOfSpeakers">
-    <h3 translate>
-        Manage the list of speakers for...
-    </h3>
-    <mat-form-field *ngIf="projectors && projectors.length > 0">
-        <mat-select [value]="projectors[0]" (selectionChange)="onSelectProjector($event)">
-            <mat-option *ngFor="let projector of projectors" [value]="projector">
-                {{ projector.name | translate }}
-            </mat-option>
-        </mat-select>
-    </mat-form-field>
-</mat-card>
-
 <h1 class="title on-transition-fade" *ngIf="viewItem">{{ viewItem.contentObject.getTitle() }}</h1>
 
 <mat-card class="speaker-card" *ngIf="viewItem">
@@ -131,10 +117,25 @@
 </mat-card>
 
 <mat-menu #speakerMenu="matMenu">
+    <os-projector-button
+        *ngIf="viewItem && projectors && projectors.length > 1"
+        [object]="getClosSlide()"
+        [menuItem]="true"
+        text="Current list of speakers (as slide)"
+    ></os-projector-button>
+
     <os-projector-button
         *ngIf="viewItem"
         [object]="viewItem.listOfSpeakersSlide"
         [menuItem]="true"
+        text="List of speakers"
+    ></os-projector-button>
+
+    <os-projector-button
+        *ngIf="viewItem"
+        [object]="viewItem.contentObject"
+        [menuItem]="true"
+        [text]="getContentObjectProjectorButtonText()"
     ></os-projector-button>
 
     <button mat-menu-item *ngIf="closedList" (click)="openSpeakerList()">
diff --git a/client/src/app/site/agenda/components/list-of-speakers/list-of-speakers.component.ts b/client/src/app/site/agenda/components/list-of-speakers/list-of-speakers.component.ts
index 29e960f5d..f4857d044 100644
--- a/client/src/app/site/agenda/components/list-of-speakers/list-of-speakers.component.ts
+++ b/client/src/app/site/agenda/components/list-of-speakers/list-of-speakers.component.ts
@@ -1,7 +1,7 @@
 import { ActivatedRoute } from '@angular/router';
 import { Component, OnInit } from '@angular/core';
 import { FormGroup, FormControl } from '@angular/forms';
-import { MatSnackBar, MatSelectChange } from '@angular/material';
+import { MatSnackBar } from '@angular/material';
 import { Title } from '@angular/platform-browser';
 
 import { TranslateService } from '@ngx-translate/core';
@@ -21,6 +21,9 @@ import { UserRepositoryService } from 'app/core/repositories/users/user-reposito
 import { DurationService } from 'app/core/ui-services/duration.service';
 import { CurrentAgendaItemService } from 'app/site/projector/services/current-agenda-item.service';
 import { ItemRepositoryService } from 'app/core/repositories/agenda/item-repository.service';
+import { CollectionStringMapperService } from 'app/core/core-services/collectionStringMapper.service';
+import { CurrentListOfSpeakersSlideService } from 'app/site/projector/services/current-list-of-of-speakers-slide.service';
+import { ProjectorElementBuildDeskriptor } from 'app/site/base/projectable';
 
 /**
  * The list of speakers for agenda items.
@@ -92,6 +95,13 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
         return this.activeSpeaker ? false : true;
     }
 
+    /**
+     * Used to detect changes in the projector reference.
+     */
+    private closReferenceProjectorId: number | null;
+
+    private closItemSubscription: Subscription | null;
+
     /**
      * Constructor for speaker list component. Generates the forms and subscribes
      * to the {@link currentListOfSpeakers}
@@ -121,7 +131,9 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
         private promptService: PromptService,
         private currentAgendaItemService: CurrentAgendaItemService,
         private durationService: DurationService,
-        private userRepository: UserRepositoryService
+        private userRepository: UserRepositoryService,
+        private collectionStringMapper: CollectionStringMapperService,
+        private currentListOfSpeakersSlideService: CurrentListOfSpeakersSlideService
     ) {
         super(title, translate, snackBar);
         this.isCurrentListOfSpeakers();
@@ -129,9 +141,10 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
 
         if (this.currentListOfSpeakers) {
             this.projectors = projectorRepo.getViewModelList();
-            this.showClosOfProjector(this.projectors[0]);
+            this.updateClosProjector();
             projectorRepo.getViewModelListObservable().subscribe(newProjectors => {
                 this.projectors = newProjectors;
+                this.updateClosProjector();
             });
         } else {
             this.getItemByUrl();
@@ -172,29 +185,26 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
         }
     }
 
-    /**
-     * Executed by selecting projectors
-     *
-     * @param event Holds the selected projector
-     */
-    public onSelectProjector(event: MatSelectChange): void {
-        this.showClosOfProjector(event.value);
-    }
-
     /**
      * Shows the current list of speakers (CLOS) of a given projector.
-     * Triggers after mat-select-change
-     *
-     * @param event Mat select change event, holds the projector in value
      */
-    private showClosOfProjector(projector: ViewProjector): void {
+    private updateClosProjector(): void {
+        if (!this.projectors.length) {
+            return;
+        }
+        const referenceProjector = this.projectors[0].referenceProjector;
+        if (!referenceProjector || referenceProjector.id === this.closReferenceProjectorId) {
+            return;
+        }
+        this.closReferenceProjectorId = referenceProjector.id;
+
         if (this.projectorSubscription) {
             this.projectorSubscription.unsubscribe();
             this.viewItem = null;
         }
 
         this.projectorSubscription = this.currentAgendaItemService
-            .getAgendaItemObservable(projector)
+            .getAgendaItemObservable(referenceProjector)
             .subscribe(item => {
                 if (item) {
                     this.setSpeakerList(item.id);
@@ -202,6 +212,13 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
             });
     }
 
+    /**
+     * @returns the CLOS slide build descriptor
+     */
+    public getClosSlide(): ProjectorElementBuildDeskriptor {
+        return this.currentListOfSpeakersSlideService.getSlide(false);
+    }
+
     /**
      * Extract the ID from the url
      * Determine whether the speaker list belongs to a motion or a topic
@@ -217,7 +234,11 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
      * @param item the item to use as List of Speakers
      */
     private setSpeakerList(id: number): void {
-        this.itemRepo.getViewModelObservable(id).subscribe(newAgendaItem => {
+        if (this.closItemSubscription) {
+            this.closItemSubscription.unsubscribe();
+        }
+
+        this.closItemSubscription = this.itemRepo.getViewModelObservable(id).subscribe(newAgendaItem => {
             if (newAgendaItem) {
                 this.viewItem = newAgendaItem;
                 const allSpeakers = this.repo.createSpeakerList(newAgendaItem.item);
@@ -228,6 +249,17 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
         });
     }
 
+    /**
+     * @returns the verbose name of the model of the content object from viewItem.
+     * If a motion is the current content object, "Motion" will be the returned value.
+     */
+    public getContentObjectProjectorButtonText(): string {
+        const verboseName = this.collectionStringMapper
+            .getRepository(this.viewItem.item.content_object.collection)
+            .getVerboseName();
+        return verboseName;
+    }
+
     /**
      * Create a speaker out of an id
      *
diff --git a/client/src/app/site/projector/components/projector-list/projector-list.component.html b/client/src/app/site/projector/components/projector-list/projector-list.component.html
index 4b345c04f..a22d767de 100644
--- a/client/src/app/site/projector/components/projector-list/projector-list.component.html
+++ b/client/src/app/site/projector/components/projector-list/projector-list.component.html
@@ -14,6 +14,19 @@
     </div>
 </os-head-bar>
 
+<mat-card *ngIf="!projectorToCreate && projectors">
+    <span translate>
+        Reference projector for current list of speakers:
+    </span>
+    <mat-form-field>
+        <mat-select [disabled]="!!editId" [value]="projectors[0].reference_projector_id" (selectionChange)="onSelectReferenceProjector($event)">
+            <mat-option *ngFor="let projector of projectors" [value]="projector.id">
+                {{ projector.getTitle() | translate }}
+            </mat-option>
+        </mat-select>
+    </mat-form-field>
+</mat-card>
+
 <mat-card *ngIf="projectorToCreate">
     <mat-card-title translate>New Projector</mat-card-title>
     <mat-card-content>
@@ -74,19 +87,6 @@
                             </mat-hint>
                         </mat-form-field>
 
-                        <!-- Reference projector for the current list of speakers -->
-                        <h3 translate>Current list of speakers reference</h3>
-                        <mat-form-field>
-                            <mat-select formControlName="reference_projector_id" placeholder="{{ 'Reference projector' | translate }}">
-                                <mat-option [value]="projector.id">
-                                    <span translate>self</span>
-                                </mat-option>
-                                <mat-option *ngFor="let refProjector of getReferenceProjectorsFor(projector)" [value]="refProjector.id">
-                                    <span>{{ refProjector.getTitle() | translate }}</span>
-                                </mat-option>
-                            </mat-select>
-                        </mat-form-field>
-
                         <h3 translate>Resolution and size</h3>
                         <!-- Aspect ratio field -->
                         <mat-radio-group formControlName="aspectRatio" [name]="projector.id">
diff --git a/client/src/app/site/projector/components/projector-list/projector-list.component.ts b/client/src/app/site/projector/components/projector-list/projector-list.component.ts
index 5821fae20..e99ac78f3 100644
--- a/client/src/app/site/projector/components/projector-list/projector-list.component.ts
+++ b/client/src/app/site/projector/components/projector-list/projector-list.component.ts
@@ -1,7 +1,7 @@
 import { Component, OnInit } from '@angular/core';
 import { FormGroup, FormBuilder, Validators } from '@angular/forms';
 import { Title } from '@angular/platform-browser';
-import { MatSnackBar } from '@angular/material';
+import { MatSnackBar, MatSelectChange } from '@angular/material';
 
 import { TranslateService } from '@ngx-translate/core';
 
@@ -105,7 +105,6 @@ export class ProjectorListComponent extends BaseViewComponent implements OnInit
             aspectRatio: ['', Validators.required],
             width: [0, Validators.required],
             clock: [true],
-            reference_projector_id: [],
             background_color: ['', Validators.required],
             header_background_color: ['', Validators.required],
             header_font_color: ['', Validators.required],
@@ -140,11 +139,12 @@ export class ProjectorListComponent extends BaseViewComponent implements OnInit
     public create(): void {
         if (this.createForm.valid && this.projectorToCreate) {
             this.projectorToCreate.patchValues(this.createForm.value as Projector);
-            // TODO: the server shouldn't want to have this data..
+            // TODO: the server shouldn't want to have element data..
             this.projectorToCreate.patchValues({
                 elements: [{ name: 'core/clock', stable: true }],
                 elements_preview: [],
-                elements_history: []
+                elements_history: [],
+                reference_projector_id: this.projectors[0].reference_projector_id
             });
             this.repo.create(this.projectorToCreate).then(() => (this.projectorToCreate = null), this.raiseError);
         }
@@ -206,25 +206,11 @@ export class ProjectorListComponent extends BaseViewComponent implements OnInit
         this.editId = projector.id;
         this.updateForm.reset();
 
-        const reference_projector_id = projector.reference_projector_id
-            ? projector.reference_projector_id
-            : projector.id;
-        /*this.updateForm.patchValue({
-            name: projector.name,
-            aspectRatio: this.getAspectRatioKey(projector),
-            width: projector.width,
-            clock: this.clockSlideService.isProjectedOn(projector),
-            reference_projector_id: reference_projector_id,
-            background_color: projector.background_color,
-            show_header_footer: projector.show_header_footer,
-            show_title: projector.show_title,
-            show_logo: projector.show_logo
-        });*/
         this.updateForm.patchValue(projector.projector);
         this.updateForm.patchValue({
+            name: this.translate.instant(projector.name),
             aspectRatio: this.getAspectRatioKey(projector),
-            clock: this.clockSlideService.isProjectedOn(projector),
-            reference_projector_id: reference_projector_id
+            clock: this.clockSlideService.isProjectedOn(projector)
         });
     }
 
@@ -249,16 +235,6 @@ export class ProjectorListComponent extends BaseViewComponent implements OnInit
             return;
         }
         const updateProjector: Partial<Projector> = this.updateForm.value;
-        /*const updateProjector: Partial<Projector> = {
-            name: this.updateForm.value.name,
-            width: this.updateForm.value.width,
-            height: Math.round(this.updateForm.value.width / aspectRatios[this.updateForm.value.aspectRatio]),
-            reference_projector_id: this.updateForm.value.reference_projector_id,
-            background_color: this.updateForm.value.background_color,
-            show_header_footer: this.updateForm.value.show_header_footer,
-            show_title: this.updateForm.value.show_title,
-            show_logo: this.updateForm.value.show_logo
-        };*/
         updateProjector.height = Math.round(
             this.updateForm.value.width / aspectRatios[this.updateForm.value.aspectRatio]
         );
@@ -284,13 +260,13 @@ export class ProjectorListComponent extends BaseViewComponent implements OnInit
         }
     }
 
-    /**
-     * Get all available reference projectors for the given projector. These
-     * projectors are all existing projectors exluding the given projector
-     *
-     * @returns all available reference projectors
-     */
-    public getReferenceProjectorsFor(projector: ViewProjector): ViewProjector[] {
-        return this.repo.getViewModelList().filter(p => p.id !== projector.id);
+    public onSelectReferenceProjector(change: MatSelectChange): void {
+        const update: Partial<Projector> = {
+            reference_projector_id: change.value
+        };
+        const promises = this.projectors.map(projector => {
+            return this.repo.update(update, projector);
+        });
+        Promise.all(promises).then(null, this.raiseError);
     }
 }
diff --git a/client/src/app/site/projector/models/view-projector.ts b/client/src/app/site/projector/models/view-projector.ts
index 8f22254cb..a983dd604 100644
--- a/client/src/app/site/projector/models/view-projector.ts
+++ b/client/src/app/site/projector/models/view-projector.ts
@@ -5,11 +5,20 @@ export class ViewProjector extends BaseViewModel {
     public static COLLECTIONSTRING = Projector.COLLECTIONSTRING;
 
     private _projector: Projector;
+    private _referenceProjector: ViewProjector;
 
     public get projector(): Projector {
         return this._projector;
     }
 
+    public get referenceProjector(): ViewProjector {
+        if (!this.reference_projector_id) {
+            return this;
+        } else {
+            return this._referenceProjector;
+        }
+    }
+
     public get id(): number {
         return this.projector.id;
     }
@@ -87,14 +96,19 @@ export class ViewProjector extends BaseViewModel {
      */
     public getVerboseName;
 
-    public constructor(projector?: Projector) {
+    public constructor(projector: Projector, referenceProjector?: ViewProjector) {
         super(Projector.COLLECTIONSTRING);
         this._projector = projector;
+        this._referenceProjector = referenceProjector;
     }
 
     public getTitle = () => {
         return this.name;
     };
 
-    public updateDependencies(update: BaseViewModel): void {}
+    public updateDependencies(update: BaseViewModel): void {
+        if (update instanceof ViewProjector && this.reference_projector_id === update.id) {
+            this._referenceProjector = update;
+        }
+    }
 }
diff --git a/client/src/app/site/projector/services/current-list-of-of-speakers-slide.service.ts b/client/src/app/site/projector/services/current-list-of-of-speakers-slide.service.ts
index 4a129cead..184533884 100644
--- a/client/src/app/site/projector/services/current-list-of-of-speakers-slide.service.ts
+++ b/client/src/app/site/projector/services/current-list-of-of-speakers-slide.service.ts
@@ -3,6 +3,7 @@ import { Injectable } from '@angular/core';
 import { ProjectorService } from 'app/core/core-services/projector.service';
 import { ViewProjector } from '../models/view-projector';
 import { IdentifiableProjectorElement } from 'app/shared/models/core/projector';
+import { ProjectorElementBuildDeskriptor } from 'app/site/base/projectable';
 
 /**
  * Handles the curent list of speakers slide. Manages the projection and provides
@@ -29,6 +30,18 @@ export class CurrentListOfSpeakersSlideService {
         };
     }
 
+    /**
+     * @returns the slide build descriptor for the overlay or slide
+     */
+    public getSlide(overlay: boolean): ProjectorElementBuildDeskriptor {
+        return {
+            getBasicProjectorElement: options => this.getCurrentListOfSpeakersProjectorElement(overlay),
+            slideOptions: [],
+            projectionDefaultName: 'agenda_current_list_of_speakers',
+            getDialogTitle: () => 'Current list of speakers'
+        };
+    }
+
     /**
      * Queries, if the slide/overlay is projected on the given projector.
      *
diff --git a/openslides/core/migrations/0020_set_reference_projector.py b/openslides/core/migrations/0020_set_reference_projector.py
new file mode 100644
index 000000000..ed02904c0
--- /dev/null
+++ b/openslides/core/migrations/0020_set_reference_projector.py
@@ -0,0 +1,34 @@
+# Generated by Finn Stutzenstein on 2019-03-01 10:02
+
+from django.db import migrations
+
+
+def set_reference_projector(apps, schema_editor):
+    """
+    Sets all references to one projector. Tries to get the id from the former
+    config value. If there is no config or the id is invalid, the first projector
+    will be taken
+    """
+    ConfigStore = apps.get_model("core", "ConfigStore")
+    Projector = apps.get_model("core", "Projector")
+
+    try:
+        config = ConfigStore.objects.get(
+            key="projector_currentListOfSpeakers_reference"
+        )
+        reference_id = config.value
+        config.delete()  # cleanup. this config is not needed anymore
+        reference_projector = Projector.objects.get(pk=reference_id)
+    except (ConfigStore.DoesNotExist, Projector.DoesNotExist):
+        reference_projector = Projector.objects.first()
+
+    for projector in Projector.objects.all():
+        projector.reference_projector = reference_projector
+        projector.save(skip_autoupdate=True)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [("core", "0019_countdown_title_2")]
+
+    operations = [migrations.RunPython(set_reference_projector)]