The RD8000 locator and transmitter menus allow you to select or change system options. Once entered, the menu is navigated using the arrow keys. Navigation is consistent on both the transmitter and the locator. In the menu the options will appear in the bottom left-hand corner of the display. Note that when browsing the locator menu, the and keys act as left and right arrows. When browsing the transmitter menu the and keys act as left and right arrows. The right arrow enters a sub-menu and the left arrow selects the option and returns to the previous menu.