Panasonic Projector PT-AE7000U User Manual

							[LENS CONTROL] menu
ENGLISH - 71
Settings
[LENS MEMORY NAME CHANGE]
 
■
Press the ▲▼ buttons to select the 
1)  
memory name to be changed.
 LENS MEMORY  NAME CHANGE
LENS MEMORY 1
LENS MEMORY 2
LENS MEMORY 3
LENS MEMORY 4
LENS MEMORY 5
LENS MEMORY 6
PICTURE
POSITION
LANGUAGE
3D SETTINGS
LENS CONTROL OPTION
Press the  button.
2)  
[LENS MEMORY NAME INPUT] screen is 
 
z
displayed.
LENS MEMORY  NAME INPUT
ABCDE FGHIJK LM
NO PQRSTU VWXY Z
ab cdefg hijk lm
nopqr stuvwx yz
123456789 0
!" #$% &'
＊+-/= ?@\^
_` |~
()  []{} ,.:;ALL DELETE
SPACE
OKCANCEL
Press the ▲▼◄► buttons to specify 
3)  
the location of the required character 
to enter and press the  
button.
You can enter up to 16 characters.
 
z
Select [ALL DELETE] and press the  
 
z
button to erase all input text. If you press the 
 button on the remote control, you 
can erase the character currently selected by 
the cursor in the input box.
Press the ▲▼◄► buttons to select 
4)  
[OK].
Press the  button.
5)  
Note
Press the  button without entering any text 
 
z
to keep the default name ([LENS MEMORY 1] - [LENS 
MEMORY 6]).
[AUTO SWITCHING]
This function automatically identifies wide signal*1 or 
16:9/4:3 and automatically recalls memory settings 
that have been set for each screen size.
*1 :  Wide signals are 2.35:1, 2.40:1, 2.50:1, 2.55:1 aspect 
signals.
AUTO  SWITCHING
2.35:1 IMAGE DETECTION
16:9 IMAGE DETECTION OFF
OFFPICTURE
POSITION
LANGUAGE
3D SETTINGS
LENS CONTROL OPTION
Press the ▲▼ buttons and select the 
1)  
item for automatic identification.
Press the ◄► buttons to select your 
2)  
required lens memory for automatic 
identification.
The [LENS MEMORY] setting which has been 
 
z
selected for [2.35:1 IMAGE DETECTION] is loaded 
after a given period of time once the input signal 
switches from 16:9/4:3 to 2.35:1.
The [LENS MEMORY] setting which has been 
 
z
selected for [16:9 IMAGE DETECTION] is loaded 
after a given period of time once the input signal 
switches from 2.35:1 to 16:9/4:3.
If [OFF] is selected, automatic identification will not 
 
z
be performed.
This function is not available when [ZOOM] or 
 
z
[V-FIT] is selected from the [ASPECT] menu.
Note
If the lens memory is not registered using [LENS 
 
z
MEMORY SAVE], you cannot select [AUTO 
SWITCHING].
When displaying the menu or test pattern, automatic 
 
z
identification is not performed.
Image size may not be correctly recognized if there 
 
z
is noise in the picture or external device generates 
noise. Image size may also not be correctly recognized 
depending on the video.
Image size may not be correctly recognized if the input 
 
z
signal level from the external device is not set to the 
suggested value range. In this case, adjust the input 
signal level using the [WAVEFORM MONITOR] menu. 
(
 page 41)
Image size may not be correctly recognized if the 
 
z
screen position is not correctly adjusted. In this case, 
adjust the screen position using the [POSITION] menu. 
(
 page 57) 
						

							[LENS CONTROL] menu
72 - ENGLISH
Settings
[H-AREA POSITION]
You can move the frame area horizontally, such as 
aligning the right or left frame edge to the screen 
edge.Moving left
Moving right
For example, when projecting an overscanned 16:9 
projection area at a 4:3 aspect ratio on a 4:3 aspect 
screen, you can adjust the horizontal discrepancy 
between the screen position and the video display 
position.
 
16:9 projection area 4:3 screen
4:3 video display position
[V-AREA POSITION]
You can move the frame area vertically, such as 
aligning the top or bottom frame edge to the screen 
edge. Moving 
downward
Moving upward
For example, when projecting an overscanned 16:9 
projection area at a 2.35:1 cinema scope screen 
movie on a 2.35:1 size cinema scope screen, you can 
adjust the vertical discrepancy between the screen 
position and the video display position.
2.35:1 cinema scope screen 
size video display position
16:9 projection area
2.35:1 cinema scope screen
[LEFT MASKING AREA]
You can place a blank (mask) area in the left side edge on 
the screen
.
LessMore
Setting range: 0 to 70 
 
z
[RIGHT MASKING AREA]
You can place a blank (mask) area in the right side edge on 
the screen
.
LessMore
Setting range: 0 to 70
 
z
[UPPER MASKING AREA]
You can place a blank (mask) area in the upper side edge 
on the screen
.
LessMore
Setting range: 0 to 70
 
z
[LOWER MASKING AREA]
You can place a blank (mask) area in the lower side edge 
on the screen
.
LessMore
Setting range: 0 to 70
 
z
Note
If it is set to [0], each masking function will be invalid.
 
z
The [MASKING AREA] function will be invalid when 
 
z
adjusting the [COLOR MANAGEMENT] or [SPLIT 
ADJUST] settings, when displaying the [TEST PATTERN] 
or [WAVEFORM MONITOR], or when no signal is 
detected. 
						

							[OPTION] menu
ENGLISH - 73
Settings
[OPTION] menu
Select [OPTION] from the main menu of 
“Navigating through the menu” (
 page 37), 
and choose an item from the submenu.
Select item and use the ◄ ► buttons to switch the 
 
z
settings.
Remote contro lProjector controls
[ON-SCREEN DISPLAY]
This enables setup related to on-screen display.
Press the  button.
The [ON-SCREEN DISPLAY] menu is displayed.
 
z
 ON-SCREEN DISPLAY
 INPUT  GUIDE
 OSD DESIGN
 OSD POSITION  DETA
ILED
 T YPE1
 CENTER
PICTURE
POSITION
LANGUAGE
3D SETTINGS
LENS CONTROL OPTION
[
 
■ INPUT GUIDE]
Set the display method for the currently selected input port 
name. This is displayed in the top right of the screen when 
the  button is pressed. (
 page 34)
Switch settingsSwitch settings
[DETAILED] Display the input terminal 
graphically
[OFF] Turn off the guidance
[SIMPLE] Display the name of input 
terminal only
 
■ [OSD DESIGN]
Set the color of the on-screen menu.
Switch settingsSwitch settings
[TYPE1]
Display using normal design
[TYPE2] Display using black and white 
design
 
■ [OSD POSITION]
You can change the displaying position of the on-screen 
menu. 
Switch settingsSwitch settings
[CENTER]  Display in the center of the 
projection screen
[LOWER LEFT] Display in the bottom left 
of the projection screen
[LOWER CENTER] Display in the bottom 
center of the projection 
screen
[LOWER RIGHT] Display in the bottom right 
of the projection screen
[UPPER LEFT] Display in the upper left of 
the projection screen
[UPPER CENTER] Display in the upper center 
of the projection screen
[UPPER RIGHT] Display in the upper right 
of the projection screen
[BACK COLOR]
Set the color of the projection screen when no signal 
is input.
Switch settingsSwitch settings
[BLUE]Display the whole projection 
screen blue
[BLACK] Display the whole projection 
screen black 
						

							[OPTION] menu
74 - ENGLISH
Settings
[STARTUP LOGO]
You can switch the Panasonic logo that is displayed 
when starting up the projector on/off. 
Switch settingsSwitch settings
[ON]Active
[OFF] Inactive
Note
The logo Panasonic is displayed for 15 seconds.
 
z
[AUTO SEARCH]
Sets whether to automatically search for terminals 
that have an input signal when the projector is turned 
on. 
Switch settingsSwitch settings
[ON] Active
[OFF] Inactive
Attention
Set this to [ON] under normal circumstances.
 
z
When no signal is detected, the last used input will be 
 
z
selected.
[HDMI SIGNAL LEVEL]
If video is not displayed correctly when this projector 
is connected to an external device via an HDMI 
connection, switch the settings.
Switch settingsSwitch settings
[NORMAL] Signal level used by general 
external devices
[EXPAND]  Expanded signal level used by 
some devices
Note
This may not work correctly with some external devices, 
 
z
and problems such as video not being displayed may 
occur.
[FRAME RESPONSE]
Switch this setting when a progressive signal is 
input and you wish to reduce the time taken from the 
signal being input to the video being displayed on the 
screen.
Switch settingsSwitch settings
[NORMAL] Prioritizes the image quality
[FAST] Prioritizes the frame response
Note
[NORMAL] allows higher quality image viewing.
 
z
[PROJECTION METHOD]
Set the projection method according to the projector 
installation status.  Change the projection method if 
the screen is displayed upside down or the display is 
reversed. (
 page 21)
Switch settingsSwitch settings
[FRONT/DESK]When setting on a desk/floor and 
projecting from the front
[FRONT/
CEILING] When using the ceiling mount 
bracket (optional accessory) and 
projecting from the front
[REAR/DESK]
When setting on a desk/floor and 
projecting from the rear (using a 
translucent screen)
[REAR/
CEILING] When using the ceiling mount 
bracket (optional accessory) and 
projecting from the rear (using a 
translucent screen) 
						

							[OPTION] menu
ENGLISH - 75
Settings
[TRIGGER 1/2 SETTING]
You can set the function for each trigger terminal.
The trigger terminals for this projector are used as 
both the input/output terminal for the trigger function 
and the output terminal for the external 3D IR 
Transmitter (optional accessory). This is selected with 
a menu.Attention
You can connect a maximum of two external 3D IR 
 
z
Transmitter (optional accessory).
Make sure the  switch of the projector 
 
z
is turned  before a cable is connected to or 
disconnected from a trigger terminal.
[OUTPUT]
 
■
In conjunction with projector operation set in the [TRIGGER 
1 SETTING]/[TRIGGER 2 SETTING] menu, a trigger 
output signal is sent to an external device with a trigger 
terminal to enable control.
[INPUT]
 
■
Receipt of a trigger input signal from an external device 
enables control of projector operation setup in the 
[TRIGGER 1 SETTING]/[TRIGGER 2 SETTING] menu.
ON-SCREEN DISPLAY
BACK COLOR
ST AR TUP  LOGO
AUTO  SEARCH
HDMI SIGNAL  LEVEL
FRAME RESPONSE
PROJECTION METHO D
TRIGGER 1 SETTIN G
TRIGGER 2 SETTIN G
SLEEP
HIGH  ALTITUDE MODE
LAMP  POWER
FUNCTION BUTT ON
VIERA  LINK SETTINGS  BLUE
 ON
 ON
 NORMAL
 NORMAL
 FRONT/DESK
 OFF
 OFF
 OFF
 OFF
 NORMAL
PICTURE
POSITION
LANGUAGE
3D SETTINGS
LENS CONTROL OPTION1/2
Use the ▲▼ buttons to select [TRIGGER 
1)  
1 SETTING] or [TRIGGER 2 SETTING] and 
press the  button.
The [TRIGGER SETTING] menu is displayed.
 
z
TRIGGER 1 SETTIN G
     OFF
OUTPUT
     POWER ON
     SELECT  LENS MEMORY  1
     SELECT  LENS MEMORY  2
     SELECT  LENS MEMORY  3
     SELECT  LENS MEMORY  4
     SELECT  LENS MEMORY  5
     SELECT  LENS MEMORY  6
     BLAN K
DELA Y TIME
INPUT
     POWER ON/OFF    3D SHUTTER OU
T
     SELECT  4:3 ASPECT
     SELECT  16:9 ASPECT
     SELECT  S16:9 ASPECT
     SELECT  JUST ASPECT
     SELECT  ZOOM ASPECT
     SELECT  H-FIT ASPECT
     SELECT  V-FIT  ASPECT
     RS-232C COMMAND LINK
 0 SEC.
     BLAN K
PICTURE
POSITION
LANGUAGE
3D SETTINGS
LENS CONTROL OPTION
Press the ▲▼◄► buttons to select 
2)  
the input/output function and press the 
 button.
Function settings
 
z
[OFF] Unable to transmit the 
trigger output signal. Does 
not function even if trigger 
input signal is received. 
(Trigger input signal can 
be received.)
An external 3D IR 
Transmitter (optional 
accessory) will not 
operate even if 
connected.
[3D SHUTTER  OUT] Select this for connecting 
and use of an external 3D 
IR Transmitter (optional 
accessory).
Note
Read the operating instructions for the external 3D IR 
 
z
Transmitter (optional accessory) when using a 3D IR 
Transmitter.
Output
 
z
[POWER ON] [SELECT 4:3 
ASPECT]
[SELECT LENS 
MEMORY 1] [SELECT 16:9 
ASPECT]
[SELECT LENS 
MEMORY 2] [SELECT S16:9 
ASPECT]
[SELECT LENS 
MEMORY 3] [SELECT JUST 
ASPECT]
[SELECT LENS 
MEMORY 4] [SELECT ZOOM 
ASPECT]
[SELECT LENS 
MEMORY 5] [SELECT H-FIT 
ASPECT]
[SELECT LENS 
MEMORY 6] [SELECT V-FIT 
ASPECT]
[BLANK] [RS-232C COMMAND 
LINK]
When the item which is set in the [TRIGGER 
1 SETTING]/[TRIGGER 2 SETTING] menu is 
chosen or executed in the projector, 12 V is output 
from a trigger terminal.
Note
When [AUTO] is selected in the [ASPECT] menu of 
 
z
[POSITION], video is automatically displayed using either 
4:3 or 16:9 aspect ratio depending on the input signal, 
so if this aspect ratio matches the settings made in 
[TRIGGER 1 SETTINGS] or [TRIGGER 2 SETTINGS] 12 
V is output. 
						

							[OPTION] menu
76 - ENGLISH
Settings
[BLANK]
•   
When [BLANK] is activated, output is 12 V. If the 
setting is released, output is 0 V.
[RS-232C COMMAND LINK]
•   
Receives commands (
 page 98) from external 
device and outputs 12 V.
Input
 
z
[POWER ON/OFF] [BLANK]
[POWER ON/OFF]
•   
If the trigger input signal from the external device is 
changed from 0 V to 12 V, the projector power will be 
switched on. And if it is changed from 12 V to 0 V, the 
power will be switched off.
[BLANK]
•   
If the trigger input signal from the external device is 
changed from 0 V to 12 V, the screen will go blank. And 
if it is changed from 12 V to 0 V, the [BLANK] setting 
will be released.
Press the ▲▼◄► buttons to move the 
3)  
cursor to [DELAY TIME]
Press the ◄► buttons to set the delay 
4)  
time for the trigger output signal
The delay time can be set to 2, 4, 6, 8, 10, 20, and 
 
z
30 seconds.
It is possible to delay the trigger output signal (12 V) 
 
z
by the amount of time set. (Only available if trigger 
output item is selected.)
E.g.)   Select [SELECT 4:3 ASPECT] of the trigger output 
function and set the delay time to 10 seconds.
 
   Set the [ASPECT] in the [POSITION] menu to [4:3], 
and 12V is output from the trigger port after 10 
seconds.
Note
You should not use trigger terminal output as the power 
 
z
source for other devices.
The projector will not accept trigger input while preparing 
 
z
to project after the power has been switched on and 
while preparing to shutdown after projection. Input trigger 
signals after projection starts or after entering standby 
mode.
12 V cannot be output from the trigger terminal when the 
 
z
projector is in standby mode.
[SLEEP]
Set the time for the power to be automatically turned 
off.
Switch settingsSwitch settings
[OFF] Inactive
[60MIN.]  Turn power off after 60 minutes
[90MIN.]  Turn power off after 90 minutes
[120MIN.]  Turn power off after 120 minutes
[150MIN.]  Turn power off after 150 minutes
[180MIN.]  Turn power off after 180 minutes
[210MIN.]  Turn power off after 210 minutes
[240MIN.]  Turn power off after 240 minutes
Note
The projector automatically enters power off preparation 
 
z
mode (the power indicator illuminates orange), and then 
enters standby mode (the power indicator illuminates or 
flashes in red). (
 page 28)
3 minutes before turn-off, the number of minutes 
 
z
remaining will be displayed in the lower right corner.
If [SLEEP] mode is set to [OFF] mode before the 
 
z
specified time has elapsed the settings are erased.
[HIGH ALTITUDE MODE]
Set to [ON] when using at locations between 1 400 m 
and 2 700 m above sea level.
Switch settingsSwitch settings
[OFF] When using at an altitude of less 
than 1 400 m above sea level
[ON] When using at high altitudes 
(between 1 400 m and 2 700 m 
above sea level)
Note
The fan rotation and operating noise increases if set to 
 
z
[ON]. 
						

							[OPTION] menu
ENGLISH - 77
Settings
[LAMP POWER]
Switch the lamp intensity according to the usage 
environment of the projector and its intended use.
Switch settingsSwitch settings
[NORMAL]When higher luminance is 
required
[ECO] When lower luminance is 
sufficient
Note
The brightness in the [ECO] settings is lowered 
 
z
enabling saving power and reducing operating noise. It 
is recommended that you use the [ECO] setting when 
viewing in a place where natural light is blocked and 
there is no artificial light.
When no input signal is detected, the function is disabled.
 
z
[FUNCTION BUTTON]
Display the function currently assigned to the 
 button of the remote control. Also, 
cancel the assigned function.
How to cancel function assignment
 
■
Press the  button.
1)  
The [FUNCTION BUTTON] confirmation message 
 
z
is displayed.
 FUNCTION BUTT ON
FUNCTION BUTT ON IS DISABLED.
CANCELOK
Select [OK] with the ◄ ► buttons.
2)  
Press the  button.
3)  
Note
See “Using the  button” in “Remote 
 
z
control operation” regarding allocating operations to the 
 button. (
 page 34)
[VIERA LINK SETTINGS]
Configure VIERA Link.
Press the  button.
The [VIERA LINK SETTINGS] confirmation 
 
z
message is displayed.
 VIERA  LINK SETTINGS
 VIERA  LINK
 POWER ON LINK
 POWER OFF LINK
 ENERGY  SAVING MODE
 UNUSED DEVICE ENERGY  SAVE
 VERSION : HDA VI Control 5
 ON
 NO
 NO
 QUICK START
 NO (ST AY ON)
PICTURE
POSITION
LANGUAGE
3D SETTINGS
LENS CONTROL OPTION
[
 
■ VIERA LINK]
Set whether the VIERA Link control is active.
Switch settingsSwitch settings
[ON]
Active
[OFF] Inactive
When [VIERA LINK] is [ON], the following settings can be 
made.
[POWER ON LINK]
[POWER OFF LINK]
[ENERGY SAVING MODE]
[UNUSED DEVICE ENERGY SAVE] 
						

							[OPTION] menu
78 - ENGLISH
Settings
[
 
■ POWER ON LINK]
Specify whether or not to switch the power of the projector 
on when it is in standby by operating external devices.
Switch settingsSwitch settings
[NO]
Inactive
[YES] Switch projector power on along 
with external devices
Note
Depending on the external device, the projector may 
 
z
automatically turn on when some functions of the 
connected devices are used. (Only in standby)
Due to the projector’s characteristics, it takes time 
 
z
before projection begins. Please be aware that video 
may already have started by the time the projector is 
operating fully.
[
 
■ POWER OFF LINK]
Specify whether to switch the power off for external devices 
when this projector is set to standby.
Switch settingsSwitch settings
[YES] Switch the power of external 
devices off along with this 
projector
[NO] Do not switch the power of 
external devices off along with 
this projector
Note
This function works even if the projector enters standby 
 
z
mode automatically through the [SLEEP] function.
There are cases where some external devices may 
 
z
not be switched off depending on their status (currently 
recording etc.)
[
 
■ ENERGY SAVING MODE]
Specify whether or not to switch the mode of external 
devices to the mode with minimum power consumption 
when the projector is set to standby.
Switch settingsSwitch settings
[QUICK 
START] Do not switch
[SAVE] Switch the mode of external 
devices to the mode with 
minimum power consumption
Note
This function works when [POWER OFF LINK] is set to 
 
z
[YES].
Depending on the external devices, when the projector 
 
z
is turned on power consumption may increase even in 
[ENERGY SAVING MODE] mode in order to achieve 
faster start up.
[
 
■ UNUSED DEVICE ENERGY SAVE]
Specify whether or not to keep the power on for external 
devices selected for input and switch the power off for 
external devices not selected for input. 
If you select [YES (WITH PROMPT)], a message is 
displayed before the function operates.
Switch settingsSwitch settings
[NO (STAY 
ON)] Maintain the power on state of 
devices for which input is not 
selected 
[YES (WITH  PROMPT)] After a confirmation message is 
displayed, devices for which the 
input is not selected are set to 
standby mode
[YES (NO 
PROMPT)] Devices for which the input is not 
selected are set to standby mode
Note
This function may not work properly depending on the 
 
z
external device. 
						

							[OPTION] menu
ENGLISH - 79
Settings
[OTHER FUNCTIONS]
Press the  button.
The [OTHER FUNCTIONS] menu is displayed.
 
z
 OTHER FUNCTIONS
 FREEZE
 BLANK
 VIERA  LINK
PICTURE
POSITION
LANGUAGE
3D SETTINGS
LENS CONTROL OPTION
 
■ [FREEZE]
You can temporarily freeze the projected video 
independently of external device playback.
Press the  button.
Pressing the  button cancels the 
 
z
function.
Note
While displaying the frozen image, you can enter the 
 
z
[AREA SELECT] mode of the [SPLIT ADJUST] menu 
by pressing the  button. However, when a 3D 
signal is being input (including converting 2D to 3D), 
transition to [SPLIT ADJUST] is not possible.  
 For details see [SPLIT ADJUST] in the [PICTURE] 
menu. (
 page 44)
 
■ [BLANK]
When the projector is not being used for a brief period, 
such as during a break in a meeting or during preparation 
for a meeting, the video can be stopped temporarily.
Press the  button.
Press any button to escape from the blank mode.
 
z
[
 
■ VIERA LINK]
You can operate an HDMI-connected device.
Press the  button.
The [VIERA LINK] menu is displayed.
 
z
[VIERA LINK 
CONTROL] Selects the device to operate 
and switches input
[HOME THEATER 
VOLUME] Adjusts the theater volume
[HOME THEATER 
MUTE] Mutes the theater
[OPERATE 
OTHER DEVICE] Operates third-party device
For details, see “Using VIERA Link”. (
 
z page 91)
[TEST PATTERN]
You can display 5 types of image patterns for 
confirmation. 
Press the  button to switch to the other 
patterns. Pressing the  button cancels the
function.
Note
When 3D is being displayed (including converting 2D to 
 
z
3D), the [TEST PATTERN] cannot be executed. Perform 
the operation after switching to 2D.
[LAMP RUNTIME]
You can check how long the lamp has been used.
Attention
When replacing the lamp, follow the “Lamp unit 
 
z
replacement procedure” (
 page  86) and set the runtime 
to [0].
Note
When the lamp unit has reached the end of its lifespan 
 
z
the [LAMP RUNTIME] menu will provide the usage 
time notification by flashing red and gray. See “When to 
replace the lamp unit” (
 page 85) about the lifespan. 
						

							TEMP and LAMP Indicators 
80 - ENGLISH
Maintenance
TEMP and LAMP Indicators
Managing the indicated problems
If a problem should occur with the projector, the lamp indicator  and/or temperature indicator  
will illuminate or flash. Check the indicator status and deal with problems as follows.Attention
When switching off power to deal with problems, ensure that you follow the procedure in “Switching off the power”. 
 
z
(
 page 30)
Note
Check the status of the power supply with the power indicator . (
 
z page 28)
 Lamp indicator
Temperature indicator
 
■ Temperature indicator 
Indicator 
status
Illuminates red during projection.   
 
z
(Alert indicating [REFER TO THE “TEMP indicator” SECTION IN THE OPERATION MANUAL.] is 
displayed.)  
Flashing red when power is turned off (projection stops automatically).
 
z
Problem The temperature inside and/or outside the projector is abnormally high.
Cause The air intake and 
exhaust ports may 
be obstructed. The room 
temperature may 
be too high.The air filter unit 
may be excessively 
dirty and ventilation 
may be poor.The projector may be being 
used at high elevations (1 400 
m or more above sea level).
Solution Remove object(s) 
from the ventilation 
ports or clear the 
area around the 
projector. Place the projector 
in an environment 
with temperature 
and humidity as 
designated in the 
specifications.
 
(
 page 100) Clean or replace 
the air filter unit.  
(
 page 82)The projector can only be 
used for two minutes after 
turning on.  Set [HIGH 
ALTITUDE MODE] to [ON] 
within two minutes of turning 
the projector on.
 
(
 page 76)
Note
If the  indicator is illuminated or flashes despite taking the actions above, please contact your dealer to have your 
 
z
projector repaired.