28KX-TG4753B/KX-TG470B/KX-TGA405B8 Test Mode8.1. Engineering Mode8.1.1. Base UnitImportant:Make sure the address on LCD is correct when entering new data. Otherwise, you may ruin the unit.1). Press .2). Select "Initial Setting" using orthen press or {>}.H/S key operation H/S LCD{^} {V}3). Enter "7", "2", "6", "2", "7", "6", "6", "4".Note: 7262 7664 = PANA SONI(see letters printed on dial keys)*5). Enter "٨", "٨", "٨", "٨" (Address). (*1)7). Press , a long confirmation beepwill be heard.8). Press to return to standby mode.After that, turn the base unit power off and then power on.Note: * To enter "Set dial mode", press or {>} at " Set tel line".It is necessary to turn on the power of base unit.6). Enter "㧖", "㧖" (New Data). (*1)4). Select "Write EEP" using orthen press or {>}.{^} {V}Default DataNew DataINTCaller List^V^VInitial settingBACK^VSet tel lineBACKBACKBACKCLEAR^VSet dial modeSelect "Set tel line" using orthen press or {>}.{^} {V}Service ModeRead EEPWrite EEPSet Addr.:_ _ _ _ _ _Set Addr.:Set Addr.:MMMCLEAR{OFF}SELECT PLAYINT SELECTSELECTSELECTSELECTSELECTSELECTSELECTSELECTPLAY{OFF}{FLASH}{CALL WAIT}Dial keypad{OFF}{FLASH}{CALL WAIT}Dial keypadNaviga(Volume) keytor key/?Soft keys
