Knoll Systems HT201 - Manual (Page 19)

Adjusting the picture elements
The picture elements such as brightness, contrast, white balance, and so on can be adjusted
individually for each input source. The adjustable items vary depending on the input source
and “INPUT MODE” setting. color balance.
Manual Adjustment of Computer Images
Adjusting clock frequency and phase
(if the image is unstable or flickering)
1. Select
the RGB input (with the computer attached and on).
2. Press the MENU button to display the main menu. Then press the cursor </> keys to select
IMAGE.
3. Press the cursor up/down keys to select PICTURE ADJ.
4. Press the cursor</> keys and adjust the image width in relation to the screen (Adjustment is
performed in dot units. Adjust to the position where the vertical flicker disappears).
5. Press the cursor up/down keys to selct FINE PICTURE.
6. Press the cursor </> keys and adjust to minimize image noise, flicker, color variations, etc.
Adjusting position of the image
1. Perform steps 1-6 for adjusting the clock frequency and phase above.
2. Press the cursor up/down keys and select POSITION.
3. Press the cursor up/down and </> keys to adjust the horizontal and vertical position.
Checking hours of lamp use
The lamp housing must be replaced after 1000 hours of use. When 1000 hours have elapsed the
STATUS indicator will light in red. The projector will not turn on if 1100 hours of lamp use have
been exceeded because the lamp could blow up causing injury or damage not covered by the
warranty. Periodically check hours of lamp use in the menu so that you will have time to purchase
a new lamp housing before the current one is expended.
1.
Press MENU to display the main menu.
2. Press the cursor left/right to select “INFORMATION.”
3. The lamp usage in hours is displayed.
Resetting the lamp use hours to zero
You need to reset the lamp use hours to zero after replacing the lamp housing.
1. Carry out the steps above.
2. Press menu button and use the left/right cursor to display “INFORMATION”
3. When the “INFORMATION” menu appears, press the up/down cursor to select “RESET”,
then press the ENTER button.
4. If the ENTER button is not used during the reset, press the CANCEL button.
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