Installing the In-Cab Controller Optional Internal DIN Adaptor 1. Place the DIN adapter metal box (J) supplied in the housing designed for the radio. Raise the tabs (M) sufficiently to fit the box into the housing. 2. Attach the control to the plastic bracket (L) using the 4 screws (K). 3. Connect the data cable to the control connector (H). 4. Insert the assembly formed by the control box and the plastic bracket into the metal box, until the bracket tabs are properly fitted to the metal box. Figure 8. DIN adaptor shown RCS1623 TK 56881-18-IM-EN 21