RS20i Installation and Operating Guide Page 32RS20i Installation & Operating Guide Document # 9301H52900 Ver. 1.00Figure 16. Accessing Fuse Block. This one is set to 115V.Remove the fuse block and install correct fuses. The RS20i uses two 5x20 mm fuses (one oneach side of the fuse block): For 115V operation, use two 2A, T fuses For 230V operation, use two 1A, T fusesInsert the fuses into the fuse block, as shown in Figure 17 below.Figure 17. Fuse Correctly Positioned in Fuse BlockReplace the fuse block in the power entry module and verify that the correct voltage setting isshown (see Figure 14).2.6 Navigating the MenusWhen the RS20i is first powered up, the home screen (main operator menu) will appear. Selecting the“Setup” button from the home screen will access the “System Setup” screen. Once you have navigatedthrough sub-menus, selecting the “System” button always returns you to the “System Setup” screen.Selecting “Home” from a sub-menu returns you directly to the home screen. If “Setup” is then selected,the RS20i returns to the last selected sub-menu.The “Back” button works like the back button of an internet browser, and may be used to return throughthe history of previously selected sub-menus.If the following symbol appears on the screen, it indicates that the front panel adjustment knob may beused as a navigation tool (usually to scroll through a list or to increase/decrease values):Note: When using a laptop to VNC into the RS20i, use the up and down arrows to mimic thescrolling action of the front panel adjustment knob.Note: When using a VNC device that doesn’t have a keyboard, such as a tablet, arrow keysmay be enabled/disabled by double tapping the volume level display box on the Home screen.Note: When 5x20mmfuse is used, make sureit is inserted at the“live” end of the fuseblock, as shown.