Sony ST-SE570 Service Manual page 7

3. Entering the Factory Preset (In case perform just to write memory of the Factory Preset.)
1. Turn OFF the power.
2. While pressing 3 and AUTO-BETICAL SELECT together, turn ON POWER .
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 POWER .
3. When "All clear" is indicated on the fluorescent display tube, it means that "Forced Reset" has been completed.
5. Language Change
1. Turn OFF the power.
2. While pressing 2, turn ON POWER .
ST-SE570
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