Bedienungsanleitung Toshiba beamer mt 400 (Seite 17 von 23) (Englisch)

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Maintenance

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About lamp

Maintenance

The product’s light source is a mercury lamp that lights at increased internal pressure. Be sure

to fully understand the following characteristics of the lamp and handle it with extreme care.

• The lamp may burst with a loud noise due to impact or deterioration, or fail to light at

the expiration of its life.

•How long it takes before the lamp bursts or the life expires may vary greatly by lamp.

Some may burst shortly after first use.

• Burst is likely to happen if the lamp is used after the replacement period has elapsed.

• When the lamp bursts, the broken pieces of glass may get inside the product or be

released outside from the openings for ventilation.

• When the lamp bursts, a slight amount of mercury gas enclosed in the lamp along with

glass dust may be released from the openings for ventilation.

■

Immediately replace the lamp when a sign appears on the screen.

• When the replacement time approaches, a message will appear on the screen.

• The risk of burst will increase if the lamp is continuously used without being replaced.

•Frequently check the used hours and prepare spares when the replacement time

approaches. (Refer to “Status display”.

p.32

)

■

When the lamp is broken

• If glass components, including a lamp and a lens, should break, handle the broken

pieces with care to avoid injury and contact your dealer for repair service.

• In the event of lamp burst, unplug the product from the wall outlet, leave and completely

ventilate the room. Then, thoroughly clean the area around the projector and discard

any edible items placed in that area.

Lamp replacement

A lamp is consumable supplies. If used for extended periods, images will appear dark, and

the lamp could burn out. This is characteristic of a lamp, and is not malfunction. (The lifetime

of the lamp depends on condition of use.) If this happens, replace it with a new one

WARNING

•

If the projector is mounted on a ceiling, request a lamp replacement from your projector dealership.

• When replacing, always use lamp “TLPLMT20” (sold separately).

CAUTION

•

If you have been using the projector, the lamp will be very hot, and may cause burn injuries

Wait for the lamp to cool (for longer than 1 hour) before replacing it.

•

If the lamp should break, please handle with care to avoid injury due to broken pieces and

contact your dealer for repair service.

■ Displaying Information (Status display)

This displays information about the input signal, lamp use time, etc.

“Yes”: displayed, “No”: not displayed

Item Description

Computer Y/PB/PR

Video

DVI

S-video

Input Input source name Yes Yes Yes Yes

Mode name RGB input mode

[Note 1]

Ye s N o N o Ye s

H-resolution Horizontal resolution (in dots) Yes No No Yes

V-resolution Vertical resolution (in dots) Yes No No Yes

H-frequency Horizontal sync frequency Yes No No Yes

V-frequency Vertical sync frequency

[Note 2]

Ye s N o N o Ye s

Sync Sync signal polarity

[Note 3]

Ye s N o N o Ye s

Signal format Y/PB/PR signal format No Yes No No

Video mode Color method of video signal No No Yes No

Lamp time Time of lamp use

[Note 4]

Ye s Yes Ye s Ye s

Lamp reset count The count for lamp replacement Yes Yes Yes Yes

Total time

The total time that this projector is used

Ye s Ye s Ye s Ye s

Version Firmware version

[Note 5]

Ye s Ye s Ye s Ye s

Notes

1: The mode of supported RGB signals

p.39

is shown.

2: Same as the refresh rate of the computer signal.

3: Sync signal polarity shown as P (positive) or N (negative) for [H/V].

4: Displays [Lamp time] as a measure of when the lamp should be replaced. (Cannot be used as

a counter of guaranteed lamp time.) When the displayed time approaches 2,000 hours, consult

with a store about getting a TLPLMT20 replacement lamp (sold separately) prepared.

5: [Version] shows the version of the projector’s internal control program. This version is referred

to for customer service, etc.

Note

• The displayed information will not be refreshed if the status changes. To refresh the

information, dismiss the display, then display it again.

Using the menu (Continued)

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