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Using Stack Setting and Set Inputs functions together
allows you to control the video wall with one remote control.
Connection Diagram 2 below shows how the video wall is
connected based on the example in the previous section.

Perform the procedure below after setting up the basic
connection.

Distributor

INPUT1

INPUT2

INPUT4

INPUT4

OUTPUT

INPUT1

INPUT4

OUTPUT

INPUT1

INPUT4

OUTPUT

OUTPUT

INPUT1

RS-232C OUT

RS-232C IN

RS-232C OUT

RS-232C OUT

RS-232C OUT

RS-232C IN

RS-232C IN

Adjust the Set Inputs setting for each projector as
the table below.
(See page 

Set Inputs

ON

ON

ON

INPUT1

INPUT2

INPUT3

INPUT4

INPUT5

Set Inputs

ON

ON

INPUT1

INPUT2

INPUT3

INPUT4

INPUT5

Adjust the Stack Setting for each projector as the
table below.
(See page 

• Set input terminals you will use to “ON”.

Set input terminals you will not use to “OFF”.

Master

Slave

Turn off the projector.

Make all connections as shown in Connection
Diagram 2.

Turn on the projector first, then the computers
and video player.

• Image quality may deteriorate when picture signals are input

through multiple projectors in a daisy chain connection.

TEMPERATURE
WARNING
indicator

LAMP
REPLACEMENT
indicator

POWER
indicator

• Blocked air intake.

• Clogged air filter.

• Cooling fan breakdown.
• Internal circuit failure.

• Burnt-out lamp.
• Lamp circuit failure.

• The filter cover is open.

The internal
temperature is
abnormally high.

TEMPERATURE
WARNING indicator

LAMP REPLACE-
MENT indicator

POWER indicator

The lamp does not
light up.

The POWER
indicator blinks in
red when the
projector is on.

• Relocate the projector to an area with

proper ventilation.

• Clean the filter.

• Take the projector to your nearest Sharp

Authorized LCD Projector Dealer or Service
Center for repair.

• Carefully replace the lamp. (See pages 

• Take the projector to your nearest Sharp

Authorized LCD Projector Dealer or Service
Center for repair.

• Securely install the filter cover.
• If the POWER indicator blinks even when

the filter cover is securely installed, contact
your nearest Sharp Authorized LCD
Projector Dealer or Service Center for
advice.

• The warning lights on the projector indicate problems

inside the projector.

• There are two warning lights: a TEMPERATURE

WARNING indicator which warns that the projector is
too hot, and a LAMP REPLACEMENT indicator which
lets you know when to change the lamp.

• If a problem occurs, either the TEMPERATURE

WARNING indicator or the LAMP REPLACEMENT
indicator will light up red. After turning off the power,
follow the procedures given below.

• If the TEMPERATURE WARNING indicator lights up, follow the above possible solutions and then wait until the projector has

cooled down completely before turning the power back on. (At least 5 minutes.)

• If the power is turned off and then turned on again, as during a brief rest, the LAMP REPLACEMENT indicator may be

triggered, preventing the power from going on. Should this occur, take the power cord out of the wall outlet and put it back
in again.

The lamp requires
replacement.

• Lamp has been used for

over 1,400 hours.

The lamp in this projector operates for approximately 1,500 cumulative hours, depending on the usage environ-
ment. It is recommended that the lamp be replaced after 1,400 cumulative hours of use or when you notice a
significant deterioration of the picture and color quality. The lamp usage time can be checked with the On-screen
Display. (see page 

• Intense light hazard. Do not attempt to look into the aperture and lens while the projector is operating.

• As the usage environment can vary significantly, the projector lamp may not operate for 1,500 hours.
• For safety, the power will not be turned on from the fourth times when turning on the power without changing the lamp after

use for 1,500 hours.

• Lamp has been used for over 1,400

hours.

• Lamp has been used for over 1,500

hours.

• Purchase a replacement lamp unit

(lamp/cage module) of the current
type BQC-XGP25X//1 from your
nearest Sharp Authorised LCD
Projector Dealer or Service Center.

• Replace the lamp. (See pages 

have the lamp replaced at your
nearest Sharp Authorised LCD
Projector Dealer or Service Center.

The LAMP REPLACEMENT
indicator lights up red, and “LAMP”
and “ ” will blink in yellow in the
lower-left corner of the picture.

A significant deterioration of the
picture and color quality occurs.

The power will automatically turn
off and the projector will enter
standby mode.

“LAMP” and “ ” will blink in red in
the lower-left corner of the picture,
and the power will turn off.

It is recommended that the lamp be replaced after approximately 1,400 cumulative hours of use or when you
notice a significant deterioration of the picture and color quality. Carefully change the lamp by following the steps
below.
If the new lamp does not light after replacement, take your projector to the nearest Sharp Authorized LCD Projector
Dealer or Service Center for repair. Purchase a replacement lamp unit (lamp/cage module) of the current type
BQC-XGP25X//1 from your nearest Sharp Authorized LCD Projector Dealer or Service Center. Then carefully change
the lamp by following the instructions below. If you wish, you may have the lamp replaced at your nearest Sharp
Authorized LCD Projector Dealer or Service Center.

IMPORTANT NOTE TO U.S. CUSTOMERS:
The lamp included with this projector is backed by a 90-day parts and labor limited warranty. All service of this
projector under warranty, including lamp replacement, must be obtained through a Sharp Authorized LCD Projector
Dealer or Service Center. For the name of the nearest Sharp Authorized LCD Projector Dealer or Service Center,
please call toll-free: 1-888-GO-SHARP (1-888-467-4277).   

                                                                                             U.S.A. ONLY

• Potential hazard of glass particles if lamp ruptures. In case of lamp rupture, contact your nearest

• Do not remove the lamp cage directly after operation of the projector. The lamp may be extremely

• This projector utilizes a pressurized mercury lamp. A loud sound may indicate lamp failure. Lamp failure can

be attributed to numerous sources such as excessive shock, improper cooling, surface scratches or deterioration
of the lamp due to a lapse of usage time. The period of time up to failure largely varies depending on the
individual lamp and/or the condition and the frequency of use. It is important to note  that failure can often result
in the bulb cracking.

• When the LAMP REPLACEMENT indicator and on-screen display icon is illuminated or blinks, it is recommended

that the lamp be replaced with a new one immediately, even if the lamp appears to be operating normally.

• Should the lamp break, the glass particles may spread inside the lamp cage or gas contained in the lamp may

be vented into the room from the exhaust vent. Because the gas in this lamp includes mercury, ventilate the
room well if the lamp breaks and avoid all exposure to the released gas. In case of exposure to  the gas, consult
with a doctor as soon as possible.

• Should the lamp break, there is also a possibility that glass particles may spread inside of the projector. In such

a case, it is recommended you contact your nearest Sharp Authorized LCD Projector Dealer or Service Center
to remove the damaged lamp and assure safe operation.

Press POWER OFF.
Wait until the cooling
fan stops.

• Be sure to remove the lamp cage by the handle. Be sure not to touch the glass surface of the lamp cage or the inside of

the projector.

• To avoid injury to yourself and damage to the lamp, be sure to carefully follow the steps below.
• Be sure to change the air filter during lamp replacement. The air filter comes packaged with the lamp unit.

Unplug the power cord
from the AC socket.

Turn over the projector.
Press the tab and lift
open the filter cover in
the direction of the
arrow.

Grasp the air filter
between your fingers
and lift it out of the filter
cover.

Tab

Slide the lamp cage cover in
the direction of the arrow. Then
tighten the user service screw.

User service screw

Press the lamp cage firmly into
the lamp cage compartment.
Fasten the securing screws.

Remove the securing screws
from the lamp cage. Hold the
lamp cage by the handle and
pull it towards you.

While pressing ƒ, © and
ENTER on the projector, press
POWER ON on the projector.

Plug the power cord into the AC
socket of the projector.

“LAMP 0000H” is displayed,
indicating that the lamp timer is
reset.

• Reset the lamp timer only after replacing the lamp.

佡

Securing

screw

Securing
screws

Turn over the projector and
loosen the user service screw
that secures the lamp cage
cover. Then slide the cover in
the direction of the arrow.

User service screw

Insert the tab on the end of the
filter cover into the filter cover
opening and press the filter
cover into position.

Place the air filter underneath the
tabs on the filter frame.

Tab