15After powering up the unit for the first time, it will prompt you to select Main/Wired mode or Extension/Wireless mode.Each system must have one phone on Main/Wired mode and can have up to 10 other 25260s on Extension/Wirelessmode. The phone set to Main/Wired mode must be plugged into a phone line, and the phones set to Extension/Wirelessmode must be registered to the phone set to Main/Wired mode.The base displays the current date, time and the Soft keys.NOTE: The Soft keys will change according to the status of the unit.NOTE: The base LCD has a dedicated “SET CLOCK” icon flashing when the clockis not set. Please go to menu “Phone Setting- Date /Time” to set the clock.The system uses a menu structure to give you access to all of the built-in features. You have the following menuSelect Mode, Phone Setting, Display Setting, SoundSetting, Voice Mail andRestore Setting.Select mode2. Press the MENU soft key (left) to go to the main menu.3. Press VOL (- or +) button to scroll to Select Mode.Main/Wired Mode or EXT/Wireless Mode.Main/Wired ModeFrom the Select Mode Menu:1. Press the VOL (- or +) button to scroll to Main/Wired Mode.2. Press SELECT Sof key, the screen display Please Plug In A Phone Line.3. Press Yes soft key to confirm.NOTE: During programming, you may press the BACK Soft key (left) at any time to exit the sub-menuand return to the main menu, or press exit key to exit programming and return to standby screen.NOTE: If no key is pressed for 30 seconds, the handset or base will automatically exit programmingand return to standby screen.options in the main menu:Note: Each system of 25260s must have one phone set to Main/Wiredmode with a wired connection to the phone lines.SELECT MODEMAIN MODEEXTENSION MODEVol +BACK SELECT1. Make sure your phone is IDLE (not in Talk mode).4. Press SELECT soft key (right) to confirm and you may select