7Getting StartedSimulator ModeEach page of the GPSMAP 178C Sounder’s system also features an options page, which gives youaccess to other functions and features that relate to the specific page you are viewing. To get a feel forhow the option pages work, let’s put the GPSMAP 178C Sounder into simulator mode.To activate the simulator mode:1. Press the MENU key twice for the Main Menu. Press Up or Down on the ARROW KEYPAD untilthe ‘GPS’ tab is highlighted, then press the MENU key once.2. Use the UP or DOWN arrow of the ARROW KEYPAD to highlight the ‘Start Simulator’ option andpress ENTER. Choose ‘No’ to the retail demonstration and press the ENTER key.3. Press the ENTER key to confi rm the ‘Running Simulator’ message that appears at the bottom of thedisplay. ‘Simulating’ appears at the top of the Main pages.While in Simulator mode, a ‘Running Simulator’ message appears after 2 minutes of inactivity.Now you’re ready to continue the rest of the simulated tour. Keep in mind that the GPSMAP 178CSounder does not track satellites in simulator mode, and this mode should never be used foractual navigation. All the waypoint and route planning done in simulator mode is still retained inmemory for future use.A “Running Simulator” messageappears after 2 minutes ofinactivity.