Projectors

Go to System Preferences Displays Color Tab Uncheck the "Show profiles for this display only" When you uncheck the box listed in the previous step, the "Display profile" list will change giving you more options. Highlight the "Generic RGB Profile"

**Projector\External monitor Dark Image Mac OSX v10.6**
To Alert users of issue whereby after upgrading to Snow Leopard v10.6 on a MacBook Pro the image through the projector or external monitor is dark. Below is a link of other users reporting this issue on other manufactures devices. Link: [|**http://discussions.apple.com/thread.jspa?messageID=11957525**]
 * PRODUCT**: MacBook Pro OSX v10.6 & External Monitor \ Projectors
 * REASON**: Mac OSX v10.6 Snow Leopard uses a gamma value of 2.2 by default. Prior to Mac OSX v10.6 the default gamma value was 1.8 (Brighter). This is an issue due to changes made in the Apple OS in Mac OSX v10.6 and not an issue with Promethean Product.

**ACTION REQUIRED: If you need to use a gamma value of 1.8, please follow the steps below taken directly from the Apple Knowledge Base Website.**
Link: [|**http://support.apple.com/kb/ht3712**] = = = = = = =Promethean PR 10 and PR 20 Projectors=
 * 1) From the Apple menu, choose System Preferences.
 * 2) From the View menu, choose Displays.
 * 3) Click the Color tab.
 * 4) Click the "Calibrate..." button. The Display Calibrator Assistant opens.
 * 5) Click Continue.
 * 6) Click "Gamma 1.8".
 * 7) Click Continue.
 * 8) Click your desired white point. "Native" is default.
 * 9) Click Continue.
 * 10) Give your profile a name if you wish.
 * 11) Click Continue.
 * 12) Click Done.
 * Additional Information:** The link below is to Apples Knowledge Base where they explain what has changed in the OS and how to rectify the issue.



Projector Troubleshooting

 * 1) **The image is blurred and out of focus**
 * 2) Check that the projector lens cover has been removed.
 * 3) Check the focus has been adjusted correctly. This will either be a dial around the lens or an option on your remote control.
 * 4) The lens of the projector may need cleaning. If it needs cleaning use a dry soft cloth. Please do this with the projector switched off as you will be looking directly into the lens.
 * 5) You may be running your computer at a resolution that is not natively supported by the projector. For Sanyo projectors supplied by Promethean if the model number begins with an S (SW35 for example) then it is an SVGA projector and the image will look best at a resolution of 800x600 pixels. If the model number begins with an X (XE40 for example) then it is an XGA projector and the image will look best at a resolution of 1024x768 pixels.


 * 1) **The projected image is too bright**
 * 2) The projector includes controls to adjust its brightness and contrast settings. These are available in the projector menu.
 * 3) You can run the projector lamp in 'eco' mode. This mode is available in the projector settings and will run the lamp at a reduced brightness; this also extends the lifespan of the lamp.


 * 1) **The projected image is too dim**
 * 2) Ensure there are no bright sources of light shining onto the Activboard.
 * 3) Projector lamps degrade over time, and may gradually dim. The lamp may be due for replacement.


 * 1) **The projected image appears to be a distorted shape.**
 * 2) Due to the angle of the projected image the projector will include controls to adjust any distortion. This is called the 'Keystone' control. Press the keystone button on your remote control and use the arrow keys to reshape the image.


 * 1) **The projector isn't displaying the entire computer screen.**
 * 2) Ensure the computer is running in a suitable resolution for the projector (see 1d).
 * 3) Press the 'Auto PC' button on the projector remote control


 * 1) **The projected image is too big or too small.**
 * 2) Some projectors include a resize control on a dial around the projector lens.
 * 3) Fixed distance projectors (like the XE40) can only resize the image by moving the projector forward or backwards on the projector mounting.


 * 1) **The projector displays the message 'No Signal'**
 * 2) Check that the computer video cable is connected to both the computer and the projector, or any other video termination points along the cable path.
 * 3) Ensure the computer is in mirror/clone display mode. See article 10002uk for details.
 * 4) Press the 'Computer' or 'Input' button on the projector remote control to toggle to the correct input mode.
 * 5) Try another computer.


 * 1) **The image appears to be tinged yellow or purple, or appears 'blotchy'.**
 * 2) Try using another computer video cable
 * 3) The projector may need cleaning. Contact technical support with the serial number.

=Turning Off the Clean Filter Message=

Go to Activmgr (located on the top of your menu bar or in Applications/Promethean Folder


 * Select** Projector Tab In the Activmgr control dialogue box


 * Check** Projector Warning


 * Set** Display for Fortnightly (every 2 weeks)


 * Click** on tiff image to see an example of the dialogue box.