When you switch the power on there will follow a soft-start till the lamp burns at the previously adjusted dim level.
With the ‘0’ button in TV mode you can dim the lamp, turn more and less bright.
The remote control should send more then one RC5-signal per button-press seeing that the first one is ignored, this does imply that when the remote button is pressed a short time, there nothing happens.
With the P+ and P- button from a system at choice you can adjust the maximum and minimum dim-levels and with the ‘1’ button the start-up brightness.
The next time when the 230V power is switched on the lamp starts up at the adjusted dim-level.
Source : Pic Basic