3M Multimedia Projector Mp8740 Operators Manual

							3Mª Multimedia Projector MP8740© 3M 1999
ENGLISH
Factory Default Setting:
1.     Highlight SETUP option.
2.     To reset the entire SETUP menu
¥ Press the RESET button.
¥ Select DEFAULT or CANCEL.
3.     To reset a single item from SETUP menu
¥ Select the adjustment item (brightness, contrast...)
¥ Press the RESET button.  Only the selected item resets.
SETUP INPUT  IMAGE  OPT.
RESET      ‘SETUP’
DEFAULT
CANCEL VOL
BRI
CON
SHA
COL
TIN
COLOR BAL
Section 4: Adjustment and Functions
4.1 Menu Navigation
1. Press the MENU button on projector or remote control MENU button.
On-screen menus are displayed on the screen.
2. Select the menu to be adjusted using the MENU (
) buttons or DISC PAD.
Selected Menu is highlighted.
3. Select the item to be adjusted using the MENU (
) buttons or DISC PAD.
Highlighted items may be adjusted.
4 Note
Separate settings are provided for the VIDEO1, VIDEO2, RGB1 and RGB2 input terminals.  Adjustments are
saved after power off.
MENU
RESET
8
Figure 4.1 Menu Button
Figure 4.2 Default Settings 
						

							© 3M 1999 3Mª Multimedia Projector MP8740
ENGLISH
4.2    How To Use Height Adjustment Feet
Adjust the image elevation using the height adjustment at the front of the projector.
1. Raise the front end of the projector so the feet are not touching the table top.
2. Move the lock lever to the unlock position.
3. Extend or retract each foot to the desired height.
4. Move the lock lever to the lock position.
5. For fine adjustments, rotate each foot.
Caution
Do not unlock the foot adjusters if the projector is not supported. If the foot adjusters do not lock
completely, turn the foot adjusters slightly before locking.
9
Foot adjustersunlock ¨ lock
Front view
Side view
Figure 4.3 Height Adjustment
1
2S-VIDEO VIDEO AUDIOLRRGB IN
RGB OUT
CONTROL
AUDIO
OUT2AUDIO
IN  
1
K 
						

							3Mª Multimedia Projector MP8740© 3M 1999
ENGLISH
4.3 SETUP
The SETUP sub-menu is used to adjust and move the image position. The projector will display either the RGB
(Figure 4.4) or Video (Figure 4.5) menu according to the input source being projected.
RGB signal input Video signal input
4 Note
¥ TINT cannot be adjusted with a PAL or M-PAL video signal input.
¥ TINT, COLOR and SHARPNESS cannot be adjusted with an RGB signal input.
¥ V. POSIT, H. POSIT, H. PHASE and H. SIZE cannot be adjusted with a VIDEO signal input.
10
Adjustment Item
VOLUME
BRIGHT
(BRIGHTNESS)
CONTRAST
SHARPNESS
COLOR
TINT
V.POSIT
(V.POSITION)
H.POSIT
(H.POSITION)
H.PHASE
H.SIZE
COLOR  BALDetails of adjustment
Decrease Increase
Dark
 Bright
Lower
Higher
Soft
Sharp
Less
More
Red
Green
Moves the picture up or down.
Moves the picture left or right.
Decreases the picture flicker
Widens or Narrows the horizontal size of picture
Red 
 Blue
Default
Figure 4.4 RGB Signal Figure 4.5 Video Signal 
						

							© 3M 1999 3Mª Multimedia Projector MP8740
ENGLISH
4.4 INPUT
The menu INPUT sub-menu (Figure 4.6) is used to select the input source. The VIDEO1 and VIDEO2 values
(Figure 4.7) have additional values that can be selected.
11
Figure 4.6 Input Menu Figure 4.7
Value
Selects the video signal
format Auto, NTSC, PAL,
SECAM, NTSC 4.43, M-PAL
Adjustment
Area
RGB1
RGB2
Video1
Video2
Test PatternValue
Selects the RGB1 terminal
Selects the RGB2 terminal
Select the VIDEO1 or
VIDEO2 terminal
Selects the TEST PATTERN.
(Start up Screen)Value
Screen
System 
						

							3Mª Multimedia Projector MP8740© 3M 1999
ENGLISH
12
Adjustment
Screen
MIRROR
BLANK
REVEAL
MESSAGEValue
Inverts the picture horizontally or vertically.
H : INVERT Inverts the picture horizontally.
V : INTERT Inverts the picture vertically.
H&V : INVERT Inverts the picture horizontally and vertically.
Selects the blank color.
Selects reveal speed.
Turn ON or OFF on-screen messages.
4.5 IMAGE
The IMAGE sub-menu is used to change the image characteristics.
SETUP INPUT  IMAGE  OPT.
MIRROR
BLANK
REVEAL
MESSAGE
SETUP INPUT  IMAGE  OPT.
WHITE
BLUE
BLACK
BLANK
SETUP INPUT  IMAGE  OPT.
NORMAL
H :  INVERT
V  :  INVERT
H&V :
     INVERT
MIRROR
SETUP INPUT  IMAGE  OPT.
FAST
MEDIUM
SLOW
REVEAL
SETUP INPUT  IMAGE  OPT.
TURN ON
TURN OFF
MESSAGE
Figure 4.8 Image Adjustment Screens 
						

							© 3M 1999 3Mª Multimedia Projector MP8740
ENGLISH
4.6 OPT
The OPT. sub-menu allows you to control communication function.
ADJUSTMENT                                          VALUE DEFAULT
SCREEN
COM. SPEEDSelects the data speed of transmission. (For mouse emulation-1200) 1200
Selects the data format of transmission.
COM. BITS7N1... 7 data-bits, No parity, 1 stop bit. (For mouse emulation-7N1) 7N1
8N1... 8 data-bits, No parity, 1 stop bit.
TIMERSets the timer (in minutes). Ñ
LANGUAGESelects the language on-screen menu. Ñ
(English, French, German, Spanish, Italian, Norwegian, Dutch)
AUTO OFFSelects how long projector will stay on, if no input is detected. Ñ
Select 
0 to disable this function.
START UPEnable/Disable Startup Screen. TURN ON
13
SETUP INPUT  IMAGE  OPT.
COM. SPEED
COM. BITS
TIMER
LANGUAGE
AUTO OFF
STARTUP
SETUP INPUT  IMAGE  OPT.
1200
2400
4800
9600
19200
COM. SPEED
(bps)
SETUP INPUT  IMAGE  OPT.
7N1
8N1
COM. BITS
SETUP INPUT  IMAGE  OPT.
10  min.
TIMER
SETUP INPUT  IMAGE  OPT.
ENGLISH
FRANCAIS
DEUTSCH
ESPANOL
ITALIANO
NORSK
NEDERLANDSLANGUAGE
SETUP INPUT  IMAGE  OPT.
 0  min.
STOP      
AUTO  OFF
SETUP INPUT  IMAGE  OPT.
TURN ON
TURN OFF
STARTUP
Figure 4.9 OPT Adjustment Screens 
						

							3Mª Multimedia Projector MP8740© 3M 1999
ENGLISH
5.1 Cleaning the Air Filter
4 Note
Clean the air filter about every 50 hours.
1. Turn off the MAIN POWER switch of the projector and pull out power cord. Let cool for 20 minutes.
2. Remove the air filter from the bottom of projector.  Unscrew two retaining screws (1) and pull down
and out (2) on the handle to free air cleaner door. Lift air filter door up and out (3) and set it aside.
3. Carefully remove foam air filter Screen (4) and clean foam screen and metal screen using a
vacuum cleaner.
4. Re-install the air filter and replace the air filter door.
4 Note
If air flow is restricted due to dust accumulation on filter, the projector may shut down due to over heating.
8730-36A
1
2
3
4
Section 5: Maintenance
14
Figure 5.1 Remove Air Filter 
						

							© 3M 1999 3Mª Multimedia Projector MP8740
ENGLISH
6.3 Replacing the Lamp
                    WARNING
Always turn off and unplug projector when changing lamp.
Lamp and adjacent metal parts become extremely hot and can
cause severe burns to your fingers.  Allow the projector to cool for
at least 30 minutes before replacing the lamp.
1.Remove lamp access door:  The lamp access door is located
on the bottom of the machine on the right side.  Use
screwdriver to unscrew the cover retaining screw (1) and
gently open the cover and set it aside.
2.Retaining screws:  Use a screwdriver to unscrew the lamp
module retaining screws. (2)
4 Note
There are three lamp module screws that must be loosened.  These
screws are self-containing screws that cannot be removed from the
lamp module.
6.1 Lamp
The following symptoms may indicate a lamp in need of replacement:
¥ LAMP indicator lights up red.
¥ CHANGE THE LAMP message appears on the screen.
6.2 Display Lamp Operation Hours
To determine the lamp operation hours,  follow these steps:
1. While the projector is running, press and hold the timer button on the remote control for 3 seconds.
2. The operating time of the lamp will be displayed.  If the operating hours are greater than 1,900 the
CHANGE THE LAMP message will appear.  If the hours are greater than 1,980 the following
message will appear, POWER WILL SHUT OFF IN 
20 HOURS  The number of hours left until
shut down will decrease until 
0 hour is reached, then power will be turned off.
4 Note
After 2000 hours, the projector will only run for 10 minute intervals when restarted until the lamp is replaced and
the lamp timer is reset. The message CALL A MAINTENANCE PERSON will blink at projector start up to
remind you to change the lamp.
3. To reset the timer, press the reset button and select 0 (or CANCEL).  The CHANGE THE LAMP
message will not come up if the timer is reset.
Section 6: Lamp
15
Figure 6.1 Lamp Door
1
2 
						

							3Mª Multimedia Projector MP8740© 3M 1999
ENGLISH
3.Remove lamp module:  Grasp the lamp module with
hand and the projector body with the other hand.
Carefully slide the lamp module out (3) using steady pressure.
4.Insert lamp module:  Carefully insert the new lamp module.
Ensure that it is fully seated.
Tighten the lamp module retaining screws to secure the lamp
module in place.
Insert the hinge tabs on the left side of the lamp access door, then
close and tighten the retaining screws to secure the door.
16
8730-33A
3
4 Note
Reset the lamp operation hours. See section 6.2 for details.
Figure 6.2 Lamp Module 
						

							© 3M 1999 3Mª Multimedia Projector MP8740
ENGLISH
Section 7: Troubleshooting
17
Symptom
No picture and sound
Color is weak and tint is
incorrect
Picture is dark
Picture is not clear
LAMP indicator lights
red.
LAMP indicator blinks
red.
TEMP indicator lights
red.
TEMP indicator blinks
red.
Cause
¥ The Main power is not turned on.
¥ The power cord is disconnected.
¥ The setting of the input source is not
correct.
¥RGB/Video/Audio wiring to projector is
not correct.
¥ RGB/Video wiring to projector is not correct.
¥ The brightness is set fully to dark.
¥ Audio wiring to projector is not correct.
¥ The volume is set to minimum.
¥ The unit is muted.
¥ The color and tint have been adjusted
   incorrectly.
¥ The brightness and contrast has been
adjusted incorrectly.
¥ The lamp needs to be replaced.
¥ Projector is out of focus.
¥ Lamp will not ignite.
¥ Air filter door on bottom of case is open.
¥ Temperature inside projector is too hot.
¥ Cooling fan may be obstructed by metal
screen under foam air filter.
Solution
¥ Turn the MAIN POWER switch on.
¥ Insert the power cord into an AC socket.
¥ Set the correct input using the input select button
of the projector or the remote control.
¥ Connect the cable to correct input/output source.
 ¥ Connect the cable to correct input/output source.
¥ Press the MENU button and increase
BRIGHTNESS.
¥ Connect the cable to correct input/output source.
¥ Press the VOL button and increase VOLUME.
¥ Press the MUTE button.
¥ Adjust the color and tint correctly.
¥ Adjust the brightness and contrast correctly.
¥ Replace the lamp with a new one.
¥ Adjust the focus.
¥ Turn off power and let cool for 20 minutes, then restart.¥ If problem persists call your dealer.
¥ Ensure air filter door is closed.
¥ Do not block the ventilation holes.
¥ Clean air filter
 ¥ Align metal screen.
 ¥ If fan blade is still obstructed, call service. Sound is heard with
no picture
Power cannot be turned
on.
Picture is displayed
with no sound
7.1 Sympton/Solution Table
Error Message Displays
NO INPUT IS DETECTED
SYNC IS OUT OF RANGE
CHANGE THE LAMP
RESET THE LAMP TIMER
CHECK THE AIR FLOWCause
The projector is not detecting a signal.
The horizontal frequency of input signal
exceeds projector capability.
Lamp operation time is greater than 1,900
hours.
Lamp operating time is greater than 2000
hours. Safety feature shuts projector down
after 10 minutes.
Air flow to cooling fan is blocked.Solution
Check cable connections to input device. Input device not
connected to this input mode, switch to next mode.
Switch projector to correct resolution.
See Appendix A.5
Change the projector lamp and reset the lamp operation
hours to zero.
Change the projector lamp and reset the lamp operation
hours to zero.
Clear air flow path to fan and clean air filter.
7.2 Message/Solution Table