© 2007 by General Electric Company. All rights reserved. M1110150 006 5
Chapter 3: Components and User Controls
BiliSoft Light Box
The light box contains the LED module, a power supply, a cooling system, and an overheating protection. The
universal power supply allows the unit to be supplied via any standard AC main power source at either 50 or
60 Hertz that has voltages in the range of 90 to 264 V~. The LED module produces a very narrow bandwidth of
light with no appreciable amount of ultraviolet or infrared light. The light box is cooled by a fan, and a thermal
cutout switch located on the LED module protects the light box from overheating. The LED module in the light
box is activated only when the ber optic cable is plugged into the system.
Component/Control Function
1. Standby Switch – Turns the unit on/o. The green
light on the switch indicates that the standby switch
is turned on and the unit is powered.
2. Hour Meter – The non-resettable hour meter runs
whenever the beroptic light pad is illuminated. If
the beroptic cable is not fully inserted into the light
box, the LEDs are automatically shut o and the hour
meter does not run.
3. Unit Overheated Indicator – When the red
indicator light is on, the unit has overheated. See
Troubleshooting Guide for more details.
4. LED Module Failure Indicator – When the red
indicator light ashes, at least one of the three LED
pairs has failed. See the Troubleshooting Guide for
more details.
5. Fiberoptic Light Pad Assembly Port - Where the
beroptic light pad assembly connects to the
main unit. An LED shuto switch inside the port
automatically shuts o the LED module whenever the
beroptic light pad assembly is disconnected.
6. Air Vents – For proper cooling it is important to keep
the air vents clear of obstruction.
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