4.2 Customising Your System (System Programming)Customising Your Phone & System 1594.2 Customising Your System (SystemProgramming)4.2.1 Programming InformationYou can customise your system according to your application. You can control telephone conditionsfor each extension, extension group, Class of Service, etc.. For example, you can restrict someextensions from calling external parties. Furthermore, the programmed data, such as system speeddialling, can be used by all extensions.Your system already has default settings (factory installed). Most of the programming is done by yourdealer. Consult your dealer about system applications and re-programming according to your needs.Only frequently changed programming items (User Programming) are shown in this manual. If youwould like to change the following features, extensions which meet certain conditions can re-programthem at any time.The available programming is shown below. (Programme number)• The date and time (000)• System speed dialling numbers and names (001/002)• Extension number and name (003/004)Required TelephoneA Panasonic Proprietary Telephone with display (e.g. KX-T7533, KX-T7536)User PasswordTo enter the programming mode, a user password (4-7digits) is required. It should be programmedthrough system programming beforehand. Check your password (Default:1234).ConditionsOnly one extension, which is on-hook and holding no calls, is available at one time. If anotherextension is programming, "Another Use" is displayed.ListBefore programming, decide your selections and write them down in the list for each programmingitem. These are useful for easy programming and future reference. Your dealer also has programmingtables which contain all of the assignments. You may ask for photo copies of these tables to be awareof the features /conditions available.Overlay / Button FunctionThe overlay is a paper sheet which is included with the telephone.In the programming mode, the button functions are different. The overlay shows the functions in theprogramming mode. Place the overlay on the telephone properly.If your telephone display shows the necessary functions, the overlay may be not required.