3. Entering the Factory Preset (In case perform just to write memory of the Factory Preset.)
NOTE : As contents of the Factory Preset will be written into memory after completing this check mode, delete contents of memory according to 4. Forced RESET. 1. Turn OFF the power. 2. While pressing 3 and AUTO-BETICAL SELECT together, turn ON U .
4. Forced RESET (Used to delete the contents of Factory Preset when it is written into the preset memory.)
Clears all the RAMs and sets the initial state 1. Turn OFF the power. 2. While pressing 5 and AUTO-BETICAL SELECT together, turn ON U . 3. When �All clear� is indicated on the display tube, it means that �Forced Reset� has been completed.