If you need the operating instructions in an alternate format, please contact Customer Support. Model Number KX-TGA273S 2.4GHz Expandable Cordless Handset Charger unit The cordless handset’s charging cradle is the recessed area about 2 inches wide and 1 inch deep, located on the left of the unit. Below it is the battery charge indicator light. The cordless handset is placed in the cradle with the cordless handset's buttons facing the front of the base. The unit will beep when the cordless handset is properly placed in the cradle for charging. The rectangular area, to the right of the cradle, in the center of the unit, is the speaker. Above the speaker, directly on the top of the unit, are 2 thin buttons. On the left is the ALARM DISPLAY/SET button for the RADIO. On the right is the ALARM DISPLAY/SET button for the BUZZER. These 2 alarm buttons allow you to set or display the time used for alarm clock features, such as playing the radio or sounding the buzzer. To the right of these buttons is a larger thin button. This is the SNOOZE or MUTE button. Below the SNOOZE button is a smooth rectangular depression. This is the display. Below the display you will find, 2 thin buttons. These are the TUNE/CLOCK buttons. The left one is used to adjust the time backward when setting the clock or alarm, or to select a lower frequency when tuning in a radio station. The right button is used to adjust the time forward when setting the clock or alarm, or to select a higher frequency when tuning in a radio station. Below these buttons is a row of 5 thin buttons. From left to right, they are the Memory 1 through Memory 5 buttons. These are used to assign or select your favorite radio stations. To the left of these buttons, there are 3 small, round buttons. The left-most is the OFF button. It is the button with the small depression in the middle. To the right of the OFF button is the SLEEP button. It is used to turn the radio off after a set time. The right-most button is the AM/FM, RADIO button, which is used to switch between the AM and FM bands or to turn the radio on. With the unit still facing you, you will find 2 thin buttons located just below the upper-right corner of the unit on its right side. The top button is the ALARM ON/OFF button for the RADIO. The bottom button is the ALARM ON/OFF button for the BUZZER. Below these buttons is the traditionally notched VOLUME control. To turn the volume up, rotate the VOLUME control toward the back of the unit. To turn the volume down, rotate the VOLUME control toward the front. Toward the back of the unit, to the right of the VOLUME control, is the TIME SET button. Cordless handset With the cordless handset facing you, you will find the antenna. It is the narrow, 2-inch long protrusion at the top right. Just below the top of the front of the cordless handset is a shallow oval concave. This is the earpiece. The smooth surface below the earpiece is the display; its upper edge is defined by a small ridge in the center of the cordless handset below the earpiece. Below the display are three soft keys. Each soft key is used to select the function shown on the display directly above it. During a conversation, "PRIVACY" is displayed above the left soft key, which works as the privacy key. In the center below these keys is a round, concave key called the Navigator key. This key has four active areas: the 12 o’clock, 3 o’clock, 6 o’clock and 9 o’clock positions. The 12 and 6 o’clock positions serve as the UP and DOWN keys, respectively. They are also used to control the volume during a call. The 3 and 9 o’clock positions are the right and left arrow keys, respectively. These are used to enter the directory list. The 3 o’clock position is often used as the "Yes" key during programming. To the left of the Navigator key, is a small, somewhat trapezoidal button called the TALK button; its lower edge is defined by a small ridge. The thin button below the TALK button is the SPEAKERPHONE button. To the right of the Navigator key, is another small trapezoidal button. This is the OFF button, and its lower edge is also defined by a small ridge. The thin button below the OFF button is the HOLD button. The HOLD button serves as the CLEAR, INTERCOM or TRANSFER button. Below these buttons is the telephone keypad, which is laid out in the conventional telephone arrangement, with a "nib" on the 5 button. Immediately below the keypad are three thin buttons. The left-most button is the CONFERENCE or FUNCTION button. The middle one is the FLASH or CALL WAIT button. The right-most button is the PAUSE or REDIAL button. The small indentation just below the FLASH button is the microphone. The two metal ridges at the bottom of the cordless handset are the charge contacts. With the cordless handset still facing you, you will find the headset jack on the left side of the cordless handset, parallel to the TALK button. It has a rubber cover that can be opened by pulling down, and is not removable. Finally, on the re...