FOCUS Series User Manual rev 1.00info@mag-audio.comTel./Fax: +38 044 277-47-89 www.mag-audio.com105. System operation5.1. RiggingThere are numerous installation option available for FOCUS series.Rigging must be performed only by trained personnel following the established safety rules.MAXIMUM WEIGHT RESTRICTIONS MUST BE FOLLOWED AT ALL TIMES!MAKE SURE THE SUPPORT STRUCTURE IS CAPABLE OF HOLDING THE APPLIED WEIGHT WHILESUSPENDING THE SYSTEM!5.2. FOCUS series assemblies5.2.1 Assembling the monitoring stackFocus 15 (A) can be assembled into themonitoring stack with Focus Sub (A) foraddtional low-frequence outputs fordrummers, DJ, and other applications. Use4 sockets to firmly position Focus 15 (A)onto the Focus Sub (A). (Pic. 1, 2).12