Samsung UD740U User Manual download pdf (Page 61)

EN-61

Lamp replacement (continued)

3. Assemble the lamp replacement attachment by

folding two taping portions (g) and two cutout

portions (h) along the folding line as the ﬁgure.

(h)

(g)

4. Insert the two cutout portions (h) in the slit of the

projector, paste the two taping portions (g) with the

tape included in the lamp replacement attachment,

and then ﬁx the lamp replacement attachment to

the projector.

(g)

(h)

Pull out the lamp unit (f) in the bag by the handle (e).

(f)

(e)

6. Remove the tape ﬁxing the lamp replacement

attachment, and remove the lamp replacement

attachment with the lamp unit remaining in the bag.

Caution:

• Pullthelampunitoutoftheprojectorslowly.

If it is pulled out quickly, the lamp may break,

scattering glass fragments.

• Donotspillliquidontheremovedlampunitor

do not place it near any ﬂammable object or

where children can reach to prevent injuries or

ﬁre.

7. Insert the new lamp unit, and secure it with two

screws ﬁrmly.

8. Secure the lamp cover with screw (b) back again,

and mount the cover (a).

Caution:

•

Make sure that the lamp cover is secured ﬁrmly.

Otherwise, the POWER indicator ﬂashes red and

green, disallowing the projector to be powered on.

Reset of the lamp operation time

Plug in the power cord, and reset the lamp operation

time by keep pressing the , , and POWER buttons

on the control panel simultaneously for 3 seconds.

Important:

• Unlessthesethreebuttonsarepressedatthesame

time, the lamp operation time isn’t reset.

• MakesurethattheSTATUSindicatorislittwiceand

the lamp operation time is reset successfully.

• Theprojectordoesn’tturnonifthelampcoverisn’t

attached securely.

• Besuretoresetthelampoperationtimewhenever

you replace the lamp.

• Donotresetthelampoperationtimeunlessyou

replace the lamp.

Caution:

• Thelampisfragile.Ifitisbroken,becarefulnotto

cut yourself with glass fragments.

• Contactyourdealerforanewlamp.

Interval of lamp replacement

The recommended interval of lamp replacement is

about 5000 hours

*1*2

of consecutive use. Such interval

differs depending on the operating environment and

may be shorter than 5000 hours

*1*2

Decrease in luminescence and/or color brightness

indicates that the lamp needs to be replaced. When

the lamp operation time exceeds 3750 hours

, the

indicator will blink alternately between green and

red (while the lamp is lit; when the lamp is not lit, the

indicator will be lit red only) and the lamp replacement

message will appear on the screen for one minute

everytime the lamp is turned on. When the lamp has

been used for about 4750 hours

, the replacement

message (Lamp Replacement) will appear on the

screen for one minute every 25 hours

thereafter.

When the lamp operation time exceeds 5000

hours

*1*2

, the projector automatically shuts off and

can’t be used until the lamp is replaced and the

lamp operation time is reset.

*1: Duration when Lamp Mode of the Installation menu is set

to Low. When it is set to Standard, this duration will be

shorted.

*2: When Lamp Mode is set to Standard, this duration will be

shorted to 3000 hours.

Important:

• Donotopenthelampcoverwhentheprojectoris

set at a ceiling or a high place. Lamp fragments

may fall from the inside if the lamp were broken.

Please contact your dealer when you need to

replace the lamp with a new one.

Caution:

• This projector uses a lamp that

contains mercury. Disposal of the lamp

or the projector with the lamp may

be regulated due to environmental

considerations. For disposal or

recycling information, please contact

your local authorities or the Electronic

Industries Alliance: www.eiae.org. (For

the U.S. only.)

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Samsung UD740U User Manual Page 61

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