NEC Projector Px750u User Manual
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3. Convenient Features
Preventing the Unauthorized Use of the Projector [SECURITY]
A keyword can be set for your projector using the Menu to avoid operation by an unauthorized user. When a keyword
is set, turning on the projector will display the Keyword input screen. Unless the correct keyword is entered, the pro-
jector cannot project an image.
• The [SECURITY] setting cannot be cancelled by using the [RESET] of the menu.
To enable the Security function:
1. Press the MENU...](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-115.png "Page 116
42
3. Convenient Features
Preventing the Unauthorized Use of the Projector [SECURITY]
A keyword can be set for your projector using the Menu to avoid operation by an unauthorized user. When a keyword
is set, turning on the projector will display the Keyword input screen. Unless the correct keyword is entered, the pro-
jector cannot project an image.
• The [SECURITY] setting cannot be cancelled by using the [RESET] of the menu.
To enable the Security function:
1. Press the MENU...")
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43
3. Convenient Features
7. Type in the same combination of buttons and press the ENTER button.
The confirmation screen will be displayed.
8. Select [YES] and press the ENTER button.
The SECURITY function has been enabled.
To turn on the projector when [SECURITY] is enabled:
1. Press the POWER button.
The projector will be turned on and display a message to the effect that the projector is locked.
2. Press the MENU button.
3. Type in the correct keyword and press the ENTER button. The...](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-116.png "Page 117
43
3. Convenient Features
7. Type in the same combination of buttons and press the ENTER button.
The confirmation screen will be displayed.
8. Select [YES] and press the ENTER button.
The SECURITY function has been enabled.
To turn on the projector when [SECURITY] is enabled:
1. Press the POWER button.
The projector will be turned on and display a message to the effect that the projector is locked.
2. Press the MENU button.
3. Type in the correct keyword and press the ENTER button. The...")
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3. Convenient Features
To disable the SECURITY function:
1. Press the MENU button.
The menu will be displayed.
2. Select [SETUP] → [INSTALLATION(2)] → [SECURITY] and press the ENTER button.
The OFF/ON menu will be displayed.
3. Select [OFF] and press the ENTER button.
The SECURITY KEYWORD screen will be displayed.
4. Type in your keyword and press the ENTER button.
When the correct keyword is entered, the SECURITY function will be disabled.
NOTE: If you forget your keyword, contact your...](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-117.png "Page 118
44
3. Convenient Features
To disable the SECURITY function:
1. Press the MENU button.
The menu will be displayed.
2. Select [SETUP] → [INSTALLATION(2)] → [SECURITY] and press the ENTER button.
The OFF/ON menu will be displayed.
3. Select [OFF] and press the ENTER button.
The SECURITY KEYWORD screen will be displayed.
4. Type in your keyword and press the ENTER button.
When the correct keyword is entered, the SECURITY function will be disabled.
NOTE: If you forget your keyword, contact your...")
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45
3. Convenient Features
Storing Changes for Lens Shift, Zoom, and Focus [LENS
MEMORY]
The adjusted values can be stored in projector memory when using the LENS SHIFT, ZOOM and FOCUS buttons of
the projector or the remote control. Adjusted values can be applied to the signal you selected. This will eliminate the
need to adjust lens shift, focus, and zoom at the time of source selection. There are two ways to save adjusted values
for lens shift, zoom, and focus....](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-118.png "Page 119
45
3. Convenient Features
Storing Changes for Lens Shift, Zoom, and Focus [LENS
MEMORY]
The adjusted values can be stored in projector memory when using the LENS SHIFT, ZOOM and FOCUS buttons of
the projector or the remote control. Adjusted values can be applied to the signal you selected. This will eliminate the
need to adjust lens shift, focus, and zoom at the time of source selection. There are two ways to save adjusted values
for lens shift, zoom, and focus....")
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3. Convenient Features
4. Press the ▼ button to select [REF. LENS MEMORY] and press the ENTER button.
The [REF. LENS MEMORY] screen will be displayed.
5. Select [STORE] and press the ENTER button.
The confirmation screen will be displayed.
6. Press the ◀ button to select and [YES] and press the ENTER button.
The adjusted values for lens shift, zoom, and focus have been stored in [REF. LENS MEMORY].
7. Press the MENU button.
The menu will be closed.
TIP:
• To store adjusted values for each...](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-119.png "Page 120
46
3. Convenient Features
4. Press the ▼ button to select [REF. LENS MEMORY] and press the ENTER button.
The [REF. LENS MEMORY] screen will be displayed.
5. Select [STORE] and press the ENTER button.
The confirmation screen will be displayed.
6. Press the ◀ button to select and [YES] and press the ENTER button.
The adjusted values for lens shift, zoom, and focus have been stored in [REF. LENS MEMORY].
7. Press the MENU button.
The menu will be closed.
TIP:
• To store adjusted values for each...")
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5. Using On-Screen Menu
[VIDEO]
Using Noise Reduction [NOISE REDUCTION]
This function is used to reduce video noise.
RANDOM NR ���������Reduces flickering random noise in an image�
MOSQUITO NR ������Reduces mosquito noise that appears around the edges of an image during \
DVD playback�
BLOCK NR �������������Reduces block noise or mosaic-like patterns by selecting ON�
Selecting Interlaced Progressive Conversion Process Mode [DEINTERLACE]
This function allows you to select an...](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-121.png "Page 122
108
5. Using On-Screen Menu
[VIDEO]
Using Noise Reduction [NOISE REDUCTION]
This function is used to reduce video noise.
RANDOM NR ���������Reduces flickering random noise in an image�
MOSQUITO NR ������Reduces mosquito noise that appears around the edges of an image during \
DVD playback�
BLOCK NR �������������Reduces block noise or mosaic-like patterns by selecting ON�
Selecting Interlaced Progressive Conversion Process Mode [DEINTERLACE]
This function allows you to select an...")
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5. Using On-Screen Menu
[VIDEO LEVEL]
This function selects video signal level when the projector’s HDMI and DisplayPort input connectors and an external
device are connected.
AUTO ���������������������The video level is switched automatically based on the information from \
the device outputting the signal�
Depending on the connected device, this setting may not be made properly � In this case, switch to “NORMAL”
or “ENHANCED” from the menu and view with the optimum setting�
NORMAL...](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-122.png "Page 123
109
5. Using On-Screen Menu
[VIDEO LEVEL]
This function selects video signal level when the projector’s HDMI and DisplayPort input connectors and an external
device are connected.
AUTO ���������������������The video level is switched automatically based on the information from \
the device outputting the signal�
Depending on the connected device, this setting may not be made properly � In this case, switch to “NORMAL”
or “ENHANCED” from the menu and view with the optimum setting�
NORMAL...")
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5. Using On-Screen Menu
Menu Descriptions & Functions [SETUP]
[BASIC]
Correcting Vertical Keystone Distortion Manually [KEYSTONE]
You can correct vertical distortion manually. (→ page 26)
TIP: When this option is highlighted, pressing the ENTER button will display its slide bar for adjustment.
Selecting Cornerstone Mode [CORNERSTONE]
This option allows you to correct trapezoidal distortion.
Selecting this item will display the Cornerstone adjustment screen. (→ page 37)
NOTE: The [CORNERSTONE]...](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-123.png "Page 124
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5. Using On-Screen Menu
Menu Descriptions & Functions [SETUP]
[BASIC]
Correcting Vertical Keystone Distortion Manually [KEYSTONE]
You can correct vertical distortion manually. (→ page 26)
TIP: When this option is highlighted, pressing the ENTER button will display its slide bar for adjustment.
Selecting Cornerstone Mode [CORNERSTONE]
This option allows you to correct trapezoidal distortion.
Selecting this item will display the Cornerstone adjustment screen. (→ page 37)
NOTE: The [CORNERSTONE]...")
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5. Using On-Screen Menu
SOURCE:
This option allows you to select a sub picture signal.
The options are: OFF, VIDEO and S-VIDEO.
Selecting [OFF] will cancel the PIP/PICTURE BY PICTURE mode and return to the normal screen.
Using the Wall Color Correction [WALL COLOR]
This function allows for quick adaptive color correction in applications where the screen material is not white.
[LAMP MODE]
The projector is designed to accept two lamps (dual lamp system).
This dual lamp system provides prolonged...](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-124.png "Page 125
111
5. Using On-Screen Menu
SOURCE:
This option allows you to select a sub picture signal.
The options are: OFF, VIDEO and S-VIDEO.
Selecting [OFF] will cancel the PIP/PICTURE BY PICTURE mode and return to the normal screen.
Using the Wall Color Correction [WALL COLOR]
This function allows for quick adaptive color correction in applications where the screen material is not white.
[LAMP MODE]
The projector is designed to accept two lamps (dual lamp system).
This dual lamp system provides prolonged...")
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5. Using On-Screen Menu
Selecting the lamp to be used [LAMP SELECT]
This feature allows you to select which lamp to be used.
NOTE: This option is not displayed in the Basic menu.
DUAL
���������������������Select to use the two lamps at the same time to increase brightness�
SINGLE ������������������Lights either lamp 1 or 2 whichever was used last� This option also selects Lamp 1 or Lamp 2 according to
the time preset with Lamp Interval�
LAMP 1 ONLY ��������Select to use the Lamp 1 of the two...](http://img.usermanuals.tech/thumb/54/92557/w64_nec-px750u-manual_d-125.png "Page 126
112
5. Using On-Screen Menu
Selecting the lamp to be used [LAMP SELECT]
This feature allows you to select which lamp to be used.
NOTE: This option is not displayed in the Basic menu.
DUAL
���������������������Select to use the two lamps at the same time to increase brightness�
SINGLE ������������������Lights either lamp 1 or 2 whichever was used last� This option also selects Lamp 1 or Lamp 2 according to
the time preset with Lamp Interval�
LAMP 1 ONLY ��������Select to use the Lamp 1 of the two...")
107 5. Using On-Screen Menu NATIVEThe projector displays the current image in its true resolution when the incoming computer signal has a lower or higher resolution than the projector’s native resolution. (→ page 2, 215) When the incoming computer signal has a higher resolution than the projector's native resolution, the center of an image will be displayed. LETTER BOXThe image of a letterbox signal (16:9) is stretched equally in the horizontal and vertical directions to fit the screen. WIDE SCREENThe image of a squeeze signal(16:9) is stretched left and right in 16:9. ZOOMThe image of a squeeze signal (16:9) is stretched left and right in 4:3. Parts of the displayed image are cropped at the left and right edges and therefore not visible. 4:3 FILLThe image of a signal(4:3) is stretched left and right in 16:9. TIP: • Image position can be adjusted vertically using [POSITION] when the [16:9], [15:9], or [16:10] aspect ratios are selected. • The term “letterbox” refers to a more landscape-oriented image when compared to a 4:3 image, which is the standard aspect ratio for a vide source. The letterbox signal has aspect ratios with the vista size “1.85:1” or cinema scope size “2.35:1” for movie film. • The term “squeeze” refers to the compressed image of which aspect ratio is converted from 16:9 to 4:3. [RESOLUTION] This function sets the resolution of a projected image if auto-detect fails to work well.
108 5. Using On-Screen Menu [VIDEO] Using Noise Reduction [NOISE REDUCTION] This function is used to reduce video noise. RANDOM NR ���������Reduces flickering random noise in an image� MOSQUITO NR ������Reduces mosquito noise that appears around the edges of an image during \ DVD playback� BLOCK NR �������������Reduces block noise or mosaic-like patterns by selecting ON� Selecting Interlaced Progressive Conversion Process Mode [DEINTERLACE] This function allows you to select an interlaced-to-progressive conversion process for video signals. AUTO ���������������������Determines an appropriate interlaced-to-progressive conversion process a\ utomatically � VIDEO ��������������������Applies a normal interlaced-to-progressive conversion process� FILM ����������������������Applies the automatic detection mode for telecine signals� This option is recommended for a movie pic- ture� NOTE: This function is not available with RGB signals. Turning On or Off the 3D Dimensional Separation [3D Y/C SEPARATION] When projecting an image from a VIDEO input, set to ON to project the highest quality image. OFF ������������������������Turns off the 3 dimensional separation feature� ON �������������������������Turns on the 3 dimensional separation feature� NOTE: Only available for NTSC 3.58 video signals. [DETAIL ENHANCEMENT] This function enhances the contours of the image when projecting component signals. [SIGNAL TYPE] The projector automatically identifies whether the COMPUTER 1, COMPUTER 2 or COMPUTER 3* input signals are RGB or component signals to project the image. If the colors are unnatural, however, try switching the setting. * For COMPUTER 3, the computer signal and video signal can be selected at SIGNAL SELECT(COMP3). RGB �����������������������Switches to the RGB input� COMPONENT ���������Switches to the component signal input�
109 5. Using On-Screen Menu [VIDEO LEVEL] This function selects video signal level when the projector’s HDMI and DisplayPort input connectors and an external device are connected. AUTO ���������������������The video level is switched automatically based on the information from \ the device outputting the signal� Depending on the connected device, this setting may not be made properly � In this case, switch to “NORMAL” or “ENHANCED” from the menu and view with the optimum setting� NORMAL ����������������This disables the enhanced mode� ENHANCED ������������This improves the image’s contrast, expressing the dark and light sections more dynamically � Using the Lens Memory Function [LENS MEMORY] This function serves to store the adjusted values for each input signal when using the LENS SHIFT, ZOOM and FO- CUS buttons of the projector or the remote control. Adjusted values can be applied to the signal you selected. This will eliminate the need to adjust lens shift, focus, and zoom at the time of source selection. STORE �������������������Stores the current adjusted values in memory for each input signal� MOVE ��������������������Applies the adjusted values to the current signal� RESET ��������������������Returns the adjusted values to the last condition� NOTE: • To store adjusted values common to all the input sources, use the REF. LENS MEMORY function. See page 45, 118. • Lens memory adjustments will be automatically registered the ENTRY LIST. These lens memory adjustments can be loaded from the ENTRY LIST. (→ page 99) Note that performing [CUT] or [ALL DELETE] in the ENTRY LIST will delete lens memory adjustments as well as source adjust- ments. This deletion will not take effect until other adjustments is loa\ ded.
110 5. Using On-Screen Menu Menu Descriptions & Functions [SETUP] [BASIC] Correcting Vertical Keystone Distortion Manually [KEYSTONE] You can correct vertical distortion manually. (→ page 26) TIP: When this option is highlighted, pressing the ENTER button will display its slide bar for adjustment. Selecting Cornerstone Mode [CORNERSTONE] This option allows you to correct trapezoidal distortion. Selecting this item will display the Cornerstone adjustment screen. (→ page 37) NOTE: The [CORNERSTONE] item is not available when [KEYSTONE] or [GEOMETRIC CORRECTION] is selected. Using the PIP/PICTURE BY PICTURE Function [PIP/PICTURE BY PICTURE] This function allows you to view two different signals simultaneously. (→ page 40) MODE: This option allows you to select two modes: PIP and PICTURE BY PICTURE. PIP: This option allows you to view a sub picture in the main picture. PICTURE BY PICTURE: This allows you to view two pictures side by side. POSITION: When [PIP] is selected for [MODE], this option allows you to select the position of a sub picture in the main pic- ture. The options are: TOP-LEFT, TOP-RIGHT, BOTTOM LEFT, and BOTTOM RIGHT. NOTE: The [POSITION] cannot be selected when [PICTURE BY PICTURE] is selected.
111 5. Using On-Screen Menu SOURCE: This option allows you to select a sub picture signal. The options are: OFF, VIDEO and S-VIDEO. Selecting [OFF] will cancel the PIP/PICTURE BY PICTURE mode and return to the normal screen. Using the Wall Color Correction [WALL COLOR] This function allows for quick adaptive color correction in applications where the screen material is not white. [LAMP MODE] The projector is designed to accept two lamps (dual lamp system). This dual lamp system provides prolonged lamp life or high brightness or extra lamp (Extended life lamp). The [LAMP MODE] item has 3 options: [ECO MODE], [LAMP SELECT], and [LAMP INTERVAL MODE]. NOTE: Be sure to use the same lamp type for both lamp 1 and 2. Setting Eco Mode [ECO MODE] The ECO MODE increases lamp life, while lowering power consumption and cutting down on CO2 emissions. Two brightness modes of the lamp can be selected: [OFF] and [ON] modes. (→ page 33)
112 5. Using On-Screen Menu Selecting the lamp to be used [LAMP SELECT] This feature allows you to select which lamp to be used. NOTE: This option is not displayed in the Basic menu. DUAL ���������������������Select to use the two lamps at the same time to increase brightness� SINGLE ������������������Lights either lamp 1 or 2 whichever was used last� This option also selects Lamp 1 or Lamp 2 according to the time preset with Lamp Interval� LAMP 1 ONLY ��������Select to use the Lamp 1 of the two lamps� (Lamp 1 on the right of the rear side) LAMP 2 ONLY ��������Select to use the Lamp 2 of the two lamps� (Lamp 2 on the left of the rear side) TIP: On Selecting [SINGLE] for [LAMP SELECT] • A lamp has a property that its brightness gradually decreases with age. To keep the brightness of two lamps on the same level as much as possible, select [SINGLE] for [LAMP SELECT]. • Lamp life will decrease when shorter lamp interval times are set within the on-screen menu. You are recommended to extend the lamp interval time. Setting the lamp interval [LAMP INTERVAL MODE] This allows you to specify the time for switching between the two lamps alternately. This option is available only when [SINGLE] is selected for [LAMP SELECT]. OFF ������������������������Turns off the lamp interval mode setting� 12 HOURS/24 HOURS/1 WEEK ������������������������������Select one of these three options for interval time� NOTE: • This function is available only when [SINGLE] is selected for [LAMP SELECT]. • Before setting [LAMP INTERVAL MODE], [LAMP SWITCHING TIME] or [LAMP SWITCHING DAY], make sure that the current date and time is set for the projector. To set the date and time for the projector, select [APPLICATION MENU] → [TOOLS] → [DATE AND TIME] from the menu. (→ page 153) Setting the time for changing the lamp [LAMP SWITCHING TIME] This allows you to set the time for changing the lamp. Example – When [SINGLE] is selected for [LAMP SELECT] and [24 HOURS] for [LAMP INTERVAL MODE]: Lamp 1 Lamp 2 24 hours 24 hours 24 hours 24 hours This indicates the lamp is turned on. This indicates the lamp is turned off. Current Time Switching Time* Switching Time (*) After setting the Current Time, if the value between Current Time and Switching Time is less than five (5) minutes, the first lamp switching instance does not take place.
113 5. Using On-Screen Menu Setting the day for changing the lamp [LAMP SWITCHING DAY] This allows you to set the day for changing the lamp. The options are: SUN (Sunday), MON (Monday), TUE (Tuesday), WED (Wednesday), THU (Thursday), FRI (Friday), and SAT (Saturday). NOTE: • This function is available only when [1 WEEK] is selected for [LAMP INTERVAL MODE]. Setting Closed Caption [CLOSED CAPTION] This option sets several closed caption modes that allow text to be superimposed on the projected image of Video or S-Video. OFF ������������������������This exits the closed caption mode� CAPTION 1-4 ���������Text is superimposed� TEXT 1-4 ����������������Text is displayed� Using Off Timer [OFF TIMER] 1. Select your desired time between 30 minutes and 16 hours: OFF, 0:30, 1:00, 2:00, 4:00, 8:00, 12:00, 16:00. 2. Press the ENTER button on the remote control. 3. The remaining time starts counting down. 4. The projector will turn off after the countdown is complete. NOTE: • To cancel the preset time, set [OFF] for the preset time or turn off the power. • When the remaining time reaches 3 minutes before the projector is turned off, the [THE PROJECTOR WILL TURN OFF WITHIN 3 MINUTES] message will be displayed on the bottom of the screen. [TOOLS] See “APPLICATION MENU” on page 131. Selecting Menu Language [LANGUAGE] You can choose one of 27 languages for on-screen instructions. NOTE: Your setting will not be affected even when [RESET] is done from the menu.
114 5. Using On-Screen Menu [MENU] Selecting Menu Color [COLOR SELECT] You can choose between two options for menu color: COLOR and MONOCHROME. Turning On / Off Source Display [SOURCE DISPLAY] This option turns on or off input name display such as COMPUTER 1, COMPUTER2, COMPUTER3, HDMI, Display- Port, VIDEO, S-VIDEO, VIEWER, NETWORK to be displayed on the top right of the screen. Turning messages on and off [MESSAGE DISPLAY] This option selects whether or not to display projector messages at the bottom of the projected image. Even when “OFF” is selected, the security lock warning is displayed. The security lock warning turns off when the security lock is canceled. Turning ON/OFF Control ID [ID DISPLAY] ID DISPLAY �����������This option turns on or off the ID number which is displayed when the ID SET button on the remote control is pressed� (→ page 119) Turning On / Off Eco Message [ECO MESSAGE] This option turns on or off the following messages when the projector is turned on. The Eco Message prompts the user to save energy. When [OFF] is selected for [ECO MODE], you will get a message to prompt you to select [ON] for [ECO MODE]. When [ON] is selected for [ECO MODE] To close the message, press any one of the buttons. The message will disappear if no button operation is done for 30 seconds.
115 5. Using On-Screen Menu When [OFF] is selected for [ECO MODE] Pressing the ENTER button will display the [ECO MODE] screen. (→ page 33) To close the message, press the EXIT button. Selecting Menu Display Time [DISPLAY TIME] This option allows you to select how long the projector waits after the last touch of a button to turn off the menu. The preset choices are [MANUAL], [AUTO 5 SEC], [AUTO 15 SEC], and [AUTO 45 SEC]. The [AUTO 45 SEC] is the fac- tory preset. Selecting a Color or Logo for Background [BACKGROUND] Use this feature to display a blue/black screen or logo when no signal is available. The default background is [BLUE]. NOTE: • Even when the background logo is selected, if two pictures are displayed in [PIP/PICTURE BY PICTURE] mode, the blue background is displayed without the logo when there is no signal. Selecting Interval Time for Filter Message [FILTER MESSAGE] This option allows you to select the time preference between displaying the message for cleaning the filters. Clean the filter when you get the message “PLEASE CLEAN FILTER.” (→ page 171) Six options are available: OFF, 100[H], 500[H], 1000[H], 2000[H], 5000[H] The default setting is [OFF]. NOTE: Your setting will not be affected even when [RESET] is done from the menu. [INSTALLATION(1)] Selecting Projector Orientation [ORIENTATION] This reorients your image for your type of projection. The options are: desktop front projection, ceiling rear projection, desktop rear projection, and ceiling front projection.
116 5. Using On-Screen Menu DESKTOP FRONTCEILING REAR DESKTOP REARCEILING FRONT Selecting Aspect Ratio and Position for Screen [SCREEN] Screen typeSets the aspect ratio of the projection screen. 4:3 screen For a screen with a 4:3 aspect ratio 16:9 screen For a screen with a 16:9 aspect ratio 16:10 screen For a screen with a 16:10 aspect ratio Display positionWhen the screen type is set to 16:9 or 16:10, adjusts the vertical position of the display range. Downward Upward NOTE: • After changing the screen type, check the setting of [ASPECT RATIO] in the menu. (→ page 106) Using Geometric Correction [GEOMETRIC CORRECTION] This feature retrieves geometric data registered in the projector memory. Three presets of geometric data have been registered. To turn off this feature, select [OFF]. NOTE: • The [KEYSTONE] and [CORNERSTONE] adjustments are not available when geometric data is applied. • To clear your geometric data, press the 3D REFORM button for a minimum of 2 seconds. • The [GEOMETRIC CORRECTION] feature can cause an image to be slightly blurred because the correction is made electroni- cally.