FIG. 1 is a right top perspective view of a system control unit in accordance with the claimed design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The dash-dash broken lines in the figures represent unclaimed subject matter and form no part of the claimed design.
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 4100653,  | 
	 Aug 16 1977 | 
	 ERICSSON GE MOBILE COMMUNICATIONS INC  | 
	 Device for attaching a microphone-speaker to an article of clothing | 
	 
    
	 | 4199721,  | 
	 Oct 19 1977 | 
	 Nippon Atsudenki Kabushiki Kaisha | 
	 Hand-held microphone for transceiver | 
	 
    
	 | 5488759,  | 
	 Jul 28 1994 | 
	 MOTOROLA, INC                                               A CORP  OF DE | 
	 Detachable clip for a portable electronic device | 
	 
    
	 | 5701355,  | 
	 Aug 05 1996 | 
	 MOTOROLA SOLUTIONS, INC | 
	 Microphone for a two way radio | 
	 
    
	 | 20140028540,  | 
	  | 
	  | 
	  | 
	 
    
	 | CN307442570,  | 
	  | 
	  | 
	  | 
	 
    
	 | D478580,  | 
	 Feb 05 2002 | 
	 Hughes Electronics Corporation | 
	 Bidirectional internet protocol communication device | 
	 
    
	 | D601490,  | 
	 Sep 17 2008 | 
	 France Telecom | 
	 Solar charger | 
	 
    
	 | D602476,  | 
	 Jan 09 2009 | 
	 Samsung Electronics Co., Ltd. | 
	 Wireless headset | 
	 
    
	 | D604723,  | 
	 Feb 06 2009 | 
	 RevoLabs, Inc | 
	 Omnidirectional wireless microphone for use with a multi-user audio system | 
	 
    
	 | D608767,  | 
	 Feb 12 2009 | 
	 Microsoft Corporation | 
	 Wireless receiver | 
	 
    
	 | D615556,  | 
	 Oct 16 2009 | 
	 Samsung Electronics Co., Ltd. | 
	 MP3 player | 
	 
    
	 | D616873,  | 
	 Sep 17 2008 | 
	  | 
	 Bluetooth wireless headset | 
	 
    
	 | D618019,  | 
	 Feb 06 2007 | 
	 Whirlpool Corporation | 
	 Modular cabinet | 
	 
    
	 | D618676,  | 
	 May 20 2009 | 
	 Mattel, Inc | 
	 Miniature personal computer | 
	 
    
	 | D622213,  | 
	 Aug 26 2009 | 
	 Sanyo Electric Co., Ltd. | 
	 Battery | 
	 
    
	 | D626552,  | 
	 Dec 30 2008 | 
	 Apple Inc. | 
	 Electronic device | 
	 
    
	 | D626770,  | 
	 Mar 16 2009 | 
	  | 
	 Canned beverage dispenser | 
	 
    
	 | D629011,  | 
	 Nov 25 2009 | 
	 WOOX Innovations Belgium NV | 
	 Digital audio player | 
	 
    
	 | D648710,  | 
	 May 28 2010 | 
	 LG Electronics Inc. | 
	 Bluetooth earset | 
	 
    
	 | D649139,  | 
	 Apr 29 2011 | 
	 TLIP HOLDINGS, LLC | 
	 Wireless microphone | 
	 
    
	 | D668866,  | 
	 Apr 02 2012 | 
	  | 
	 Tool box | 
	 
    
	 | D671020,  | 
	 Jan 03 2011 | 
	 HIGI SH LLC | 
	 Housing for activity monitor | 
	 
    
	 | D678332,  | 
	 Sep 29 2011 | 
	 Samsung Electronics Co., Ltd. | 
	 Portable multimedia terminal | 
	 
    
	 | D705751,  | 
	 Feb 26 2013 | 
	 Grain Audio, LLC | 
	 Microphone unit for headphones | 
	 
    
	 | D719976,  | 
	 Mar 13 2013 | 
	 SAMSUNG ELECTRONICS CO , LTD  | 
	 Portable audio device | 
	 
    
	 | D725085,  | 
	 Apr 17 2014 | 
	 E. F. Johnson Company; E F  JOHNSON COMPANY | 
	 Dual push-to-talk radio microphone | 
	 
    
	 | D729409,  | 
	 Feb 29 2012 | 
	 Inventio AG | 
	 Access gate | 
	 
    
	 | D736188,  | 
	 Jun 27 2014 | 
	 RevoLabs, Inc | 
	 Wireless wearable microphone | 
	 
    
	 | D742367,  | 
	 Jul 22 2013 | 
	 Draeger Safety UK Limited | 
	 Apparatus for wireless communication | 
	 
    
	 | D746267,  | 
	 Jul 03 2013 | 
	 GN NETCOM A S | 
	 Headset | 
	 
    
	 | D750563,  | 
	 Nov 04 2013 | 
	 SAVANT SYSTEMS, INC  | 
	 Lamp module for a lighting control system | 
	 
    
	 | D786106,  | 
	 Sep 29 2015 | 
	 The Chamberlain Group, Inc | 
	 Sensor | 
	 
    
	 | D795874,  | 
	 Nov 30 2011 | 
	 Western Digital Technologies, INC | 
	 Ruggedized enclosure for a data storage device | 
	 
    
	 | D815070,  | 
	 Dec 29 2016 | 
	 Meta Platforms, Inc | 
	 Electronic device | 
	 
    
	 | D835591,  | 
	 Apr 20 2016 | 
	 W W  GRAINGER, INC  | 
	 Motor sensor housing | 
	 
    
	 | D843132,  | 
	 Jan 26 2017 | 
	 Pistesarjat Oy | 
	 De-icing mat with a pattern | 
	 
    
	 | D848984,  | 
	 Jul 03 2017 | 
	 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. | 
	 Wireless microphone | 
	 
    
	 | D850444,  | 
	 Sep 30 2016 | 
	 RPX Corporation | 
	 Portable computing device | 
	 
    
	 | D850627,  | 
	 Feb 23 2018 | 
	 Zansors LLC | 
	 Wearable | 
	 
    
	 | D875036,  | 
	 Feb 12 2018 | 
	 SHENZHEN VALUELINK E-COMMERCE CO., LTD. | 
	 Mobile power pack | 
	 
    
	 | D891384,  | 
	 May 18 2018 | 
	 Gentex Corporation | 
	 Communication module | 
	 
    
	 | D892097,  | 
	 Jan 04 2019 | 
	 Furrion Property Holding Limited | 
	 Electronic speaker assembly | 
	 
    
	 | D894161,  | 
	 May 11 2020 | 
	 SHENZHEN ZHENGGUANG IMAGING EQUIPMENT CO , LTD  | 
	 Wireless microphone | 
	 
    
	 | D900795,  | 
	 Nov 13 2017 | 
	 Amazon Technologies, Inc. | 
	 Portable input/output device | 
	 
    
	 | D917431,  | 
	 Oct 30 2020 | 
	  | 
	 Wireless microphone transmitter | 
	 
    
	 | D933050,  | 
	 May 31 2019 | 
	 SHENZHEN JIAYZ PHOTO INDUSTRIAL., LTD. | 
	 Wireless microphone | 
	 
    
	 | D935427,  | 
	 Jun 26 2018 | 
	 SENNHEISER ELECTRONIC GMBH & CO  KG | 
	 Audio/video appliance for reproducing sounds or images | 
	 
    
	 | D942962,  | 
	 Mar 29 2019 | 
	 Freedman Electronics Pty Limited | 
	 Wireless transmitter | 
	 
    
	 | D960129,  | 
	 Jun 09 2020 | 
	 GEOTAB Inc | 
	 Case for electronic communication device |