Derksen USA GL150-MARATHON Installation And Operating Instructions Manual
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4• Direct the light beam to the desired area and focus the image by loosening the screw on thelens bridge and move the lens either forward or backward on the two accessory rods until youobtain a razor-sharp image.• Adjust the projected image size by moving the unit further away (making the image larger) orby moving the unit closer to the projection area (making the image smaller). You could alsouse the specialty lenses to adjust the size of the image (please see Image Size Chart).Final Installation (permanent or semi-permanent)Once you are satisfied with the location of the image, unit and performance of the accessories,ask a qualified electrician/installer to mount and connect the unit permanently. Brackets,especially designed for this unit, are available for a variety of installations. Please contact yourdealer or DERKSEN (USA), INC. for more information.Install the unit in a convenient, well ventilated place. It is recommended that the unit be connectedto a switched circuit, especially, if the unit is out of reach and the toggle switch (on/off) at the backof the unit is not easily accessible.OperationTurn the unit on by using the toggle switch on the back plate (position I). If the unit is connected toa switched circuit, make sure the wall switch is also turned on. When the unit is not in use, turnthe power off to conserve energy and to extend the life of the lamp. The average life of the lamp israted at 6,000 hours.Replacing the LampTurn unit off. This unit uses a high intensity discharge lamp (Type Philips MastercolourCDM150) which has no filament, found in regular light bulbs. Instead of "burning out" suddenly,this lamp gradually loses brightness and the light takes on a blue tint. When this occurs, afterapproximately 6,000 hours of use, the lamp should be replaced.For maximum safety and optimal performance, the following precautions should be adhered to:Ask a qualified electrician or otherwise suitable person to replace the lamp and have them followthese instructions: TURN THE UNIT OFF OR DISCONNECT IT FROM MAIN POWER ANDWAIT UNTIL THE UNIT HAS COOLED DOWN BEFORE OPENING THE COVER. Open thelamp cover at the top of the unit by loosening the screw (a screwdriver is not required). Open thelatch and make sure that the lamp is cold. The lamp works under pressure and can shatter if notproperly cooled. The risk of explosion increases as the lamp reaches the end of its life cycle. Itshould, therefore, not be used longer than is specified.Now, you are ready to install the replacement lamp. Be sure to use only a Philips MastercolourCDM150 type. If the outer bulb of the lamp is broken or scratched, do not use it. DO NOT TOUCHTHE GLASS OF THE NEW LAMP. Hold the lamp with a cloth or in its wrapper and insert it firmlyinto the socket.Replace the lid and tighten the screw. |
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