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Chapter 3
Operating Instructions
Operating the Lamp
The following sections provide instructions on operating the deuterium and halogen lamps in the
DH-3PLUS Light Source. The DH-3PLUS unit must be in a horizontal position for it to work.
Starting Main Power
To apply main power to the unit,
1. Ensure that the Main Power Switch is OFF. Then, connect the power cord to the
Terminal Input on the rear panel of the unit.
2. Turn the Main Power Switch ON. The Power LED lights, indicating that the unit is
receiving power. The Status LED blinks momentarily after the main power is switched
on. The deuterium and halogen bulbs remain off after power-on; they must be turned on
separately.
Manual Operation of Lamp
Starting the Lamp
Press the DEUTERIUM or HALOGEN On/Off switch down to ignite the desired lamp.
The LED blinks green until the lamp illuminates (approximately 20 seconds for the
deuterium lamp, 1-2 seconds for the halogen lamp.)
Deuterium Status LED
Halogen Status LED
Halogen On/Off Switch
Deuterium On/Off
Switch
