20KX-TG9120FXS/KX-TGA910FXS7 Operation Instructions7.1. Base Unit SettingsFor your reference, a chart of all items which can be customised for the base unit is shown below.• These items are customised using the handset.• When customising the base unit, the current item or setting is highlighted on the display.*1 Change the recall time, if necessary, depending on the requirements of your service provider/telephone company of PBX.*2 The item will not be reset when pressing , , and keys of the handset. Refer to How to Clear User Setting (P.32).*3 If you forget your PIN, see For Service Hint (P.24).If you change the PIN, please make note of your new PIN. The unit will not reveal the PIN to you.*4 The items are not shown on the display.7.1.1. Answering System SettingsIf the base unit is reset to its default settings, the following answering system-related settings will be reset.7.1.2. SMS SettingsIf the base unit is reset to its default settings, the following SMS-related settings will be reset. The contents of the receive andsend lists will be erased.