What steps should I follow to program the 'System On/Off' button?
For programming system on/off, press [CBL], then simultaneously hold [SYSTEM ON/OFF] and [OK/SEL] for three seconds. Enter initial power commands per each device you wish (i.e., CBL), [CH5] after finishing to confirm save with a double blink from [CBL]. The operation allows up to five On/Off Commands control via single button press. (Page 10)
From the official Universal TV Remote RC G008 Universal Remote Control manual, page 4
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