System Programming 4-254.2 Manager ProgrammingFlexible CO Button Assignment (contd.)0053. Enter a jack number.To enter jack number 1, you can also press NEXT.Display: PT–PGM Mode4. Press the CO button which is changed to another button.The display shows the contents pre-assigned to the button.Display example: CO-15. Enter a button code (plus parameter, if required).To change the parameter, press CLEAR and enter the new parameter.6. Press STORE.7. • To program another CO button of the same jack, repeatsteps 4 through 6.• To program another jack, press SELECT and repeat steps 3through 6.8. Press END.Canceling 1. Perform the same procedures as steps 1 through 4 above.2. Enter 2.3. Press STORE.4. Press END.Conditions • A centralized telephone is a telephone connected to jack 1 or a jackprogrammed as a manager extension in program [006] “Operator /Manager Extension Assignment”.• The number of the CO buttons available depends on the telephone type.(Refer to Section 3 “Buttons on Proprietary Telephones”.) To program24 CO buttons, use the proprietary telephone, KX-T7425, KX-T7433,KX-T7436 or KX-T7230.• If you press the same CO button again in step 5, you can select adesired ringer frequency for the CO button from eight types of ringtones. When you enter the tone type number (1 through 8), you willhear the selected tone type until STORE is pressed. This selection ispossible only for the CO buttons that have been assigned to Single-COor Loop-CO.Feature References Section 3, FeaturesButton, Flexible Buttons on Proprietary Telephones