Status LED lights:
LAMP (green) indicates light sources (deuterium lamp and tungsten lamp). It blinks
during lamp turning on/off and lights when a lamp is turned on.
RMT (yellow) indicates status of unit remote control. It lights when the unit is
communicating through interface ETHERNET or RS232.
ERR (red) indicates error status of the unit. It lights, if an error is indicated and blinks, if
a fatal error is indicated, when unit status has been changed.