
Rev. 1.2
6.Operation
(1) Connections
Connect the LED lighting unit to CH1 or CH2 or CH3 or CH4 output connector on front panel of the product.
Connect DC power cord to input terminal block on front panel of the product.
(2) Internal control
Light intensity is adjustable manually when the control switch on the front panel is set at “INT.”
(3) External control
When the control switch on front panel is set at “EXT.”, external control input signal is available through
“RS-232C”or “TRIG. IN” connector on front panel.
(4) On/Off Control
It is possible to turn off the light by inputting “off” signal by External control mode.
(5) Error Signal
Error indicator on front panel will be on if an error of LED lighting unit detected such as breaking of wire.
Error signal from external signal connector will be output at the same time.
It does not identify error of CH1 or CH2 or CH3 or CH4. Please check the lighting units.
This function does not detect the connection of lighting unit. To avoid signal malfunction, set the output
minimum level if the lighting unit is not connected.
This function works regardless of the control switch (“INT./EXT.” mode).