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HP Ep7110 Digital Projector Users Guide

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    							Adjusting the projector
    User’s Guide 41
    Sound menu
    Setup menu
    Help menu
    Sound menu
    Mute Turns off the projector’s speaker.
    Volume Adjusts the loudness of the speakers.
    Internal speakers Sets whether the internal speakers are turned on.
    Reset sound settings Restores sound settings to their default settings.
    Setup menu
    Language Selects the language used by the on-screen menu.
    Projector position Adjusts the picture to match the orientation of the 
    projector: upright or upside-down, in front of or behind 
    the screen. Inverts or reverses the image accordingly.
    Timeout for menu Sets how many seconds the on-screen menu waits for 
    input before it closes.
    DVI compatibility Sets the configuration of DVI port. If a computer 
    connected to the DVI port always projects a 
    low-resolution image, use VGA only.
    Reset lamp hours For a new lamp, resets the hours of use.
    Reset all settings Restores all menu settings to factory default settings.
    Help  
    Displays information and status for the projector.
    Diagnostics... Show tests for checking the operation of the projector 
    and the remote control. 
    						
    							42 User’s Guide
    Adjusting the projector 
    						
    							User’s Guide 43
    4
    Maintaining the projector
    Getting the projector status
    To get the projector status, press the menu button on the projector or remote 
    control and go to Help. This screen shows information and status for the 
    projector.
    Cleaning the projector lens
    You can clean the front lens of the projector using the following 
    recommendations. You cannot clean any of the internal surfaces.
    ■To minimize the risk of damaging or scratching the lens surface, blow dust 
    particles off the lens with clean, dry, deionized air.
    ■If this method does not work, use the following method:
    a. Wipe the lens in a single direction with a clean, dry cloth. Do not wipe 
    back and forth across the lens.
    b. If the cloth is dirty or smears the lens, wash the cloth. If the cloth is still 
    dirty after washing it or the fabric is damaged, replace it.
    Ä
    Cleaning requires special consideration:
    ■Do not spray any type of fluid or cleaner directly on the lens surface. 
    Cleaners might damage the lens.
    ■Do not use fabric softener when washing a cleaning cloth or softener 
    sheets when drying the cloth. Chemicals on the cloth might damage the 
    surface of the lens. 
    ■Do not store a cleaning cloth in contact with the lens for a long time 
    because doing so contaminates the lens with dye from the cloth. The cloth 
    can be contaminated if left in the open air. 
    						
    							44 User’s Guide
    Maintaining the projector
    Replacing the lamp module
    As the projector operates over time, the brightness of the projector lamp 
    gradually decreases and the lamp becomes more susceptible to breakage. You can 
    install a new lamp at any time to bring the projector up to factory-fresh 
    brightness. We recommend replacing the lamp if a warning message is displayed.
    Å
    Replacing the lamp module requires special consideration:
    ■To reduce the risk of injury, be careful when removing the lamp module as 
    broken glass might be present. For a ceiling installation, wear goggles and 
    gloves when removing the lamp module. If the lamp is broken, contact HP 
    about repairs that might be required due to glass fragments. 
    ■The lamp contains a small amount of mercury. If the lamp breaks, 
    adequately ventilate the area where the breakage occurred. Disposal of 
    this lamp might be regulated due to environmental considerations. For 
    disposal or recycling information, contact your local authorities or the 
    Electronic Industries Alliance at http://www.eiae.org.
    ■Because the lamp assembly operates at a very high temperature, wait 30 
    minutes before removing the lamp module.
    1. Turn off the projector and allow it to cool for 30 minutes.
    2. Unplug the power cord.
    3. Loosen the 3 screws 
    1 on the front cover and pull out the front cover until 
    the tab 2 at the right end comes out of the projector 3.
    4. Loosen the two screws 
    4 on the lamp module, and pull out the module 5. 
    						
    							Maintaining the projector
    User’s Guide 45
    5. Insert the new lamp module into the projector and tighten the two screws.
    6. Insert the tab on the front cover into the slot in the projector and close the 
    cover.
    7. Tighten the screws that hold the cover.
    8. Turn on the projector. If the lamp does not turn on after the warm-up period, 
    try reinstalling the lamp.
    9. Press menu, go to Setup > Reset lamp hours, and press ok.
    Replacing the battery in the remote 
    control
    1. On the back of the remote control, push in the tab 1 and remove the battery 
    cover 
    2 to reveal the batteries.
    2. Remove the old batteries and install two new AAA batteries 
    3.
    3. Install the battery cover.
    When discarding old batteries, contact your local waste-disposal provider 
    regarding local restrictions on the disposal or recycling of batteries. 
    						
    							46 User’s Guide
    Maintaining the projector 
    						
    							User’s Guide 47
    5
    Installing permanently
    Installing the projector
    Installing on a table
    This installation is covered in detail in Chapter 1. See “Setting up the projector” 
    on page 15 for more information.
    Installing on the ceiling
    Å
    WARNING: To minimize the risk of injury from improperly installed 
    equipment, it is recommended that a professional installer performs the ceiling 
    installation.
    1. Attach the projector to the ceiling using an HP L1733A ceiling mount kit. 
    The base of the projector must by removed when it is attached to the ceiling 
    mount. See the installation instructions provided with the ceiling mount kit.
    2. After the projector is mounted on the ceiling, adjust the projector settings to 
    match this setup. Press menu, select Setup > Projector position, and select 
    Front Ceiling from the drop-down list.
    Installing for rear projection
    1. Place the projector 1 to 10 m (3 to 33 ft) behind a translucent screen that is 
    designed for rear projection.
    See “Setting up the projector” on page 15 or “Installing on the ceiling” on 
    page 47 for more instructions.
    2. Press menu and select Setup > Projector position. Then select Rear Table 
    or Rear Ceiling. 
    						
    							48 User’s Guide
    Installing permanently
    Connecting to a room controller
    If your projector has a serial port, you can connect the projector to a room 
    controller using a serial (RS-232) cable. After you program the room controller 
    using the following commands, you can use the room controller to operate the 
    projector and other components of your home theater.
    Serial connections
    The serial port on the projector uses a standard serial (RS-232) cable:
    ■Pin 2: data sent to the projector (RxD)
    ■Pin 3: data sent from the projector (TxD)
    ■Pin 5: ground
    The room controller must use the following serial (RS-232) settings:
    ■9600 baud
    ■1 start bit + 8 data bits (D0=LSB, D7=MSB) + 1 stop bit
    ■No parity
    ■Full duplex communication channels (no flow control)
    ■No handshaking
    Examples of room controller commands
    In the following examples, “” and “” represent a carriage return and 
    line feed, respectively.
    Commands are sent to the projector as requests which consist of an asterisk (*) 
    prefix, the command name, any needed parameter, and a carriage return  as 
    a terminator:
    * command = parameter 
    Requests can contain only ASCII alphanumeric characters. Blanks (spaces) are 
    allowed, except within keywords and numbers. Line feeds  are ignored. 
    						
    							Installing permanently
    User’s Guide 49
    The following table shows the specific syntax to use for various requested tasks.
    In general, every request sent to the projector generates one or more notification 
    messages, which are sent to the room controller. Actions initiated by the projector 
    can also generate notifications.
    The projector always sends notifications whenever a setting changes, whether as 
    the result of a request from a controller, or as the result of an action, such as a 
    button press or menu change. Some requested setting changes take time to 
    perform, or are carried out in stages. Because of this, requests might produce 
    delayed notifications.
    The following table lists the types of notifications generated in various situations.
    Incorrect commands cause the following types of notifications:
    ■No asterisk at start of command—no response
    ■Unrecognized command name—command with “?” added
    ■Command that is currently unavailable—command with “?” added
    To perform this task... Use this request syntax...
    Change a setting to a specified value
    *command=value
    Ask the current setting*command=?
    Increment a setting*command=+
    Decrement a setting*command=-
    Invoke an action (no parameter needed)*command
    This type of request... Generates this type of notification...
    Modify a setting Echoes the request command and 
    shows the resulting value:
    Request: 
    *BRT=65
    Notification: *BRT=65
    Query a setting Echoes the request command and 
    shows the resulting value:
    Request: 
    *CON=?
    Notification: *CON=40
    Execute an action Echoes the request command:
    Request: 
    *NXT
    Notification: *NXT 
    						
    							50 User’s Guide
    Installing permanently
    ■Invalid parameter—command with current value
    ■Action command with unnecessary parameter—action command
    ■Action command that is unavailable—action command
    The following simplified example shows how the projector typically responds to 
    a request to change the active input source. Note that the three latter notifications 
    are delayed.
    Room controller commands
    In the following tables, if the parameter listing for a particular command is 
    “None,” that command requires no parameter. Some commands are valid only 
    when the projector is turned on, STAT=1. Some commands are available only 
    when specific input sources are active. Request:*RSRC=4
    Notification:*RSRC=4(acknowledges request)
    *SRC=0(projector is attempting to acquire 
    source 4, and in the interim has no valid 
    source)
    *SRC=4(source 4 is now active)
    *BRT=60(brightness has been modified for 
    source 4)
    *CSPC=?(color space is not supported for this 
    input)
    Source functions
    Command Parameters Description
    SRC? Queries the current active input source: 
    0=no active source, 3=composite video, 
    4=S-video, 5=component video, 8=DVI.
    RSRC3,4,5,8,? Attempts to use the specified source as 
    the active input source, or queries the 
    last source requested: 3=composite 
    video, 4=S-video, 5=component video, 
    8=DVI.
    NXTNone Switches to the next input source. 
    						
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