This manual is very helpfull to use the Power Supply. All technical information has been available.
For service use the circuit diagrams are very good.
Text excerpt from page 35 (click to view)
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this function to set one or two personal messages once a day or one time only.
Use the CURSOR , to select a letter or other character. Use the CURSOR , to change position. Press ENTER when message is finished. The asterisk (*) represents a blank space. Move the CURSOR , until (CANCEL) is magenta and press ENTER to erase message.
Use cursor , to choose MODE or TIME. Use cursor , to set MODE when it is magenta. Your choice will be in blue. Use the NUMBER buttons to set the time. Press ENTER to start and MENU to exit.
Note: At the selected time, the message will be displayed until a remote control button is pressed. Message-2 works in the same way as Message-1. Each message is capable of storing up to 40 characters. CALENDAR Use this function to check the day, month, and year.