This is a remote control for accessing the service mode required for HDD replacement and repair on Sharp AQUOS high-definition DVD recorders. (Please search the web for detailed instructions.) ＜Compatible Models＞ DVD recorders AQUOS models (HDD built-in models only) DV-AC32 DV-AC34 DV-AC52 DV-AC55 DV-AC60 DV-AC65 DV-AC72 DV-AC75 DV-AC82 DV-ACV32 DV-ACV52 DV-ACW38 DV-ACW52 DV-ACW55 DV-ACW60 DV-ACW65 DV-ACW70 DV-ACW72 DV-ACW75 DV-ACW80 DV-ACW82 DV-ACW85 DV-ACW90 DV-AR11 DV-AR12 DV-ARV22 DV-ARW12 DV-ARW15 DV-ARW20 DV-ARW22 DV-ARW25 DV-HRD2 DV-HRD3 DV-HRD20 DV-HRD30 DV-HRD40 DV-HRD200 DV-HRD300 ＜How to Use＞ Using your AQUOS remote control, display "Start Menu" -> "Various Settings" -> "Management Settings" (or "Digital Settings") -> "System Operation Test". Then, press the power button (red) on this remote control, and you will enter a service-only screen where you can register HDD-IDs and perform various tests. Free shipping nationwide. (Although new, it has been opened for signal registration.) Service Mode Frisk Remote Control AV Command Aquos Serviceman PVR Inspection Menu Main Inspection Menu HDD Registration Maintenance Please understand that if you plagiarize this listing, you will be penalized by the administration.