QH32DVR4C User’s Manual16c) Use【EDIT】key to delete the character in front of cursor;d) Press【ENTER】to save & exit or【ESC】to exit without saving.4. Button: Trigger a specific function or enter into next sub-menu. Forexample, press “Policy” button to enter into sub-menu. Press【Confirm】tosave parameters and return to parent menu. Press【Cancel】button to canceland return to parent menu. A button in grey means it can be operated onlyafter it is enabled.How to Exit MenuPress【PREV】key to exit menu and return to preview mode.3.4 Input TextIn the menu interface, if you are in edit status (for example, in the “camera name”edit box), at the bottom of screen, the input status appears:NumberHere you can press numeric keys to input digital numbers.Press【A】key to change input methods. You can select “Number”, “Uppercase”,“Lowercase” or “Symbol”.UppercaseLowercaseSymbolThere are 24 symbols in all. They are divided into 4 pages, and you can use【0】key togo to the next page.