BenQ Projector MX823ST User Manual
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Operation 41 Description of each menu Function Description Wall ColorCorrects the projected picture’s color when the projection surface is not white. See Using Wall Color on page 29 for details. Aspect RatioThere are several options to set the images aspect ratio depending on your input signal source. See Selecting the aspect ratio on page 27 for details. KeystoneCorrects any keystoning of the image. See Correcting keystone on page 22 for details. Position Displays the position adjustment page. To move the projected image, use the directional arrow keys. The values shown on the lower position of the page change with every key press you made until they reach their maximum or minimum. This function is only available when a PC signal (analog RGB) is selected. Phase Adjusts the clock phase to reduce image distortion. This function is only available when a PC signal (analog RGB) is selected. H. SizeAdjusts the horizontal width of the image. This function is only available when a PC signal (analog RGB) is selected. Digital ZoomMagnifies or reduces the projected image. See Magnifying and searching for details on page 27 for details. 1. DISPLAY menu
Operation 42 Function Description 3D This projector features a 3D function which enables you to enjoy the 3D movies, videos, and sporting events in a more realistic way by presenting the depth of the images. You need to wear a pair of 3D glasses to view the 3D images. 3D Mode The default setting is Auto and the projector automatically chooses an appropriate 3D format when detecting 3D contents. If the projector cannot recognize the 3D format, press / to choose a 3D mode. When the 3D function is on: • The brightness level of the projected image will decrease. • The Picture Mode cannot be adjusted. • The Keystone can only be adjusted within limited degrees. 3D Sync Invert When you discover the inversion of the image depth, enable this function to correct the problem. Apply 3D Settings After the 3D settings are saved, you can decide if you would like to apply them by choosing a set of 3D settings that you have saved. Once applied, the projector will automatically play the incoming 3D contents if it matches the 3D settings saved. Only the set(s) of 3D settings with memorized data is available. Save 3D Settings When you have successfully displayed the 3D contents after making the appropriate adjustments, you can enable this function and choose a set of 3D settings to memorize current 3D settings. Teaching TemplateSee Using the teaching templates on page 36 for details. 1. DISPLAY menu
Operation 43 Function Description Picture ModePre-defined picture modes are provided so you can optimize your projector image set-up to suit your program type. See Selecting a picture mode on page 29 for details. Reference ModeSelects a picture mode that best suits your need for the image quality and further fine-tune the image based on the selections listed on the same page below. See Setting the User 1/User 2 mode on page 29 for details. BrightnessAdjusts the brightness of the image. See Adjusting Brightness on page 30 for details. ContrastAdjusts the degree of difference between dark and light in the image. See Adjusting Contrast on page 30 for details. Color Adjusts the color saturation level -- the amount of each color in a video image. See Adjusting Color on page 30 for details. This function is only available when a Video, S-Video or Component Video signal is selected. Tint Adjusts the red and green color tones of the image. See Adjusting Tint on page 30 for details. This function is only available when a Video or S-Video signal is selected and the system format is NTSC. Sharpness Adjusts the image to make it look sharper or softer. See Adjusting Sharpness on page 30 for details. This function is only available when a Video, S-Video or Component Video signal is selected. Brilliant ColorSee Adjusting Brilliant Color on page 30 for details. Color TemperatureSee Selecting a Color Temperature on page 30 for details. Color Temperature Fine Tuning See Setting a preferred color temperature on page 31 for details. 3D Color ManagementSee 3D Color Management on page 31 for details. Reset Picture SettingsSee Resetting current or all picture modes on page 32 for details. 2. PICTURE menu
Operation 44 Function Description Quick Auto SearchSee Switching input signal on page 26 for details. Color Space ConversionSee Changing Color Space on page 26 for details. Presentation TimerReminds the presenter to finish the presentation within a certain time frame. See Setting the presentation timer on page 32 for details. LanguageSets the language for the On-Screen Display (OSD) menus. See Using the menus on page 23 for details. Projector InstallationThe projector can be installed on a ceiling or behind a screen, or with one or more mirrors. See Choosing a location on page 14 for details. Menu Settings Menu Display Time Sets the length of time the OSD will remain active after your last key press. Menu Position Sets the On-Screen Display (OSD) menu position. Reminder Message Sets the reminder messages on or off. 3. SOURCE 4. SYSTEM SETUP: Basic menu
Operation 45 Function Description Operation Settings Direct Power On Allows the projector to turn on automatically once the power is fed through the power cord. Signal Power On Sets whether to turn the projector directly on without pressing POWER or ON when the projector is in standby mode and the signal is feed through the VGA cable. Auto Power Off Allows the projector to turn off automatically if no input signal is detected after a set period of time. See Setting Auto Power Off on page 50 for details. Quick Cooling Enables or disables the Quick Cooling function. Selecting On enables the function and projector cooling time will be shortened from a normal 90-second duration to approximately 15 seconds. This function is only available when Instant Restart is off. Instant Restart Selecting On enables you to restart the projector immediately within 90 seconds after turning it off. Blank Timer Sets the image blank time when the Blank feature is activated, once elapsed the image will return to the screen. See Hiding the image on page 34 for details. Sleep Timer Sets the auto-shutdown timer. Remote ReceiverAllows you to enable all the remote receivers or one specific remote receiver on the projector. Panel Key LockDisables or enables all panel key functions except POWER on the projector and keys on the remote control. See Locking control keys on page 34 for details. Background ColorSets the background color for the projector. Splash ScreenAllows you to select which logo screen will display during projector start-up. 4. SYSTEM SETUP: Basic menu
Operation 46 Function Description High Altitude ModeA mode for operation in high altitude areas. See Operating in a high altitude environment on page 34 for details. Audio SettingsSee Adjusting the sound on page 35 for details. Lamp Settings Lamp Mode See Setting the Lamp Mode on page 50 for details. Reset Lamp Timer See Resetting the lamp timer on page 54 for details. Equivalent Lamp See Getting to know the lamp hour on page 50 for details on how the total lamp hour is calculated. Security SettingsSee Utilizing the password function on page 24 for details. Baud Rate Selects a baud rate that is identical with your computer’s so that you can connect the projector using a suitable RS-232 cable and update or download the projector’s firmware. This function is intended for qualified service personnel. Test PatternSee Using the test pattern on page 35 for details. Closed Caption Closed Caption Enable Activates the function by selecting On when the selected input signal carries closed captions. • Captions: An on-screen display of the dialogue, narration, and sound effects of TV programs and videos that are closed captioned (usually marked as CC in TV listings). Caption Version Selects a preferred closed captioning mode. To view captions, select CC1, CC2, CC3, or CC4 (CC1 displays captions in the primary language in your area). 5. SYSTEM SETUP: Advanced menu
Operation 47 Function Description Standby Settings Network Selecting On enables the function. The projector is able to provide the network function when it is in standby mode. Monitor Out Selecting On enables the function. The projector can output a VGA signal when it is in standby mode and the COMPUTER-1 jack is correctly connected to devices. See Connection on page 17 for how to make the connection. Audio Pass Through The projector can play sound when it is in standby mode and the corresponding jacks are correctly connected to devices. Press / to choose the source that you wish to use. See Connection on page 17 for how to make the connection. Enabling this function slightly increases the standby power consumption. MHL Charging Selecting On enables the function. The projector will automatically charge the connected MHL compatible smart device as long as the power is fed to the projector. Network Settings Wired LAN See BenQ Network Projector Operation Guide for details. AMX Device Discovery When AMX Device Discovery is On, the projector can be detected by AMX controller. MAC Address Displays the mac address of this projector. Reset All Settings Returns all settings to the factory preset values. The following settings will still remain: Keystone, Phase, H. Size, User 1, User 2, Reference Mode, Color Space Conversion, Language, Projector Installation, High Altitude Mode, Security Settings, Network Settings and Baud Rate. 5. SYSTEM SETUP: Advanced menu
Operation 48 Function Description Current System Status Source Shows the current signal source. Picture Mode Shows the selected mode in the PICTURE menu. Lamp Mode Shows the current lamp mode. Resolution Shows the native resolution of the input signal. 3D Format Shows the current 3D mode. Color System Shows input system format. Equivalent Lamp Displays the number of hours the lamp has been used. Firmware Version Shows the firmware version of your projector. 6. INFORMATION menu
Maintenance 49 Maintenance Care of the projector Your projector needs little maintenance. The only thing you need to do on a regular basis is to keep the lens and case clean. Never remove any parts of the projector except the lamp. Contact your dealer if other parts need replacing. Cleaning the lens Clean the lens whenever you notice dirt or dust on the surface. Please be sure to turn off the projector, unplug the power cable and let it cool down completely before cleaning the lens. • Use a canister of compressed air to remove dust. • If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens cleaner and gently wipe the lens surface. • Never use any type of abrasive pad, alkaline/acid cleaner, scouring powder, or volatile solvent, such as alcohol, benzene, thinner or insecticide. Using such materials or maintaining prolonged contact with rubber or vinyl materials may result in damage to the projector surface and cabinet material. Cleaning the projector case Before you clean the case, turn the projector off using the proper shutdown procedure as described in Shutting down the projector on page 37 and unplug the power cord. • To remove dirt or dust, wipe the case with a soft, lint-free cloth. • To remove stubborn dirt or stains, moisten a soft cloth with water and a neutral pH detergent. Then wipe the case. Never use wax, alcohol, benzene, thinner or other chemical detergents. These can damage the case. Storing the projector If you need to store the projector for an extended time, please follow the instructions below: • Make sure the temperature and humidity of the storage area are within the recommended range for the projector. Please refer to Specifications on page 57 or consult your dealer about the range. • Retract the adjuster feet. • Remove the battery from the remote control. • Pack the projector in its original packing or equivalent. Transporting the projector It is recommended that you ship the projector with its original packing or equivalent. When you carry the projector yourself, please use the original box or a carry bag.
Maintenance 50 Lamp information Getting to know the lamp hour When the projector is in operation, the duration (in hours) of lamp usage is automatically calculated by the built-in timer. To obtain the lamp hour information: 1. Press MENU/EXIT and then press / to highlight the SYSTEM SETUP: Advanced menu. 2. Press to highlight Lamp Settings and press MODE/ENTER. The Lamp Settings page displays. 3. You will see the Equivalent Lamp information displaying on the menu. 4. To leave the menu, press MENU/EXIT. You can also get the lamp hour information on the INFORMATION menu. Extending lamp life The projection lamp is a consumable item that normally can last up to 3000-4000 hours with proper usage. To keep the lamp life as long as possible, you can do the following settings via the OSD menu. • Setting the Lamp Mode Setting the projector in Economic, SmartEco, LampSave or LumenCare mode extends the lamp operation life. To set Economic, SmartEco, LampSave or LumenCare mode, go into the SYSTEM SETUP: Advanced > Lamp Settings > Lamp Mode menu and press / . • Setting Auto Power Off This function allows the projector to turn off automatically if no input signal is detected after a set period of time to prevent unnecessary waste of lamp life. To s e t Auto Power Off, go into the SYSTEM SETUP: Basic > Operation Settings > Auto Power Off menu and press / . If the preset time lengths are not suitable for your presentation, select Disable. The projector will not automatically shut down in a certain time period. Lamp modeDescription NormalProvides full lamp brightness EconomicLowers brightness to extend the lamp life and decreases the fan noise SmartEcoAdjusts the lamp power automatically depending on the content brightness level LampSaveAdjusts the lamp power automatically and lowers the brightness to extend the lamp life LumenCareKeeps the image brightness constant without losing too much brightness after long-term usage