Knoll Systems Ht221 Projector User Manual

							Storing the most recent “PICTURE ADJ,” “FINE PICTURE,” “H\
 POSITION,” 
AND “V POSITION” settings 
You can store the above present settings in the memory.  CUSTOM 1 to 5. 
1. Select the input source RGB (see page 13). 
2. Press MENU to display the main menu. 
3. Press the cursor up or down key to select “SETTING MENU.” 
4. Press L-CLICK to display the SETTING MENU. 
5. Press the cursor up or down key to select “CUSTOM MEMORY.” 
6. Press the cursor +/- key to select the memory CUSTOM 1 to 5. 
7. Press L-CLICK to store the settings.  The menu will be turned off after storing the settings. 
 
Retrieving data from the custom memory/Setting “RGB” to “STANDARD” 
The stored settings in the CUSTOM 1 to 5 memories can be retrieved as follows: 
1. Select “RGB” as the input source (see page 13). 
2. Press the cursor +/- key to select the memory CUSTOM 1 to 5 or “STANDARD.” 
 If you select “STANDARD,” the unit will select the most suitable resolution automatically. 
3. Press L-CLICK to retrieve the settings. 
 
If the image (and the menu) has disappeared because the wrong custom memory is selected   
Carry out the following steps. 
1. Turn off the source connected to the RGB IN connector.  The incoming signals from the 
source go down and blue, black, or focus pattern screen will be displayed (the background 
type differs depending on the “BACKGROUND” setting. See page 19.). 
2. Select the right custom memory by restarting Retrieving data from the custom memory above. 
 
Selecting the starting mode for the next projector use  
Set “STARTING RGB” to “LATEST” to use the most recent settings (RGB STANDARD or 
CUSTOM 1 to 5) when you turn on the unit next.  If you set “STARTING RGB” to 
“STANDARD,” the unit will select the most suitable resolution every time you turn on the unit. 
1. Carry out steps 1 to 4 in “Storing the most recent settings” on the previous page. 
2. Press the cursor up or down key to select “STARTING RGB.” 
3. Press the cursor +/- key to select either “LATEST” or “STANDARD.” 
4. Press L-CLICK. The change of settings will be confirmed. 
 
Resetting the present settings to factory settings 
To reset the changed “PICTURE ADJ,” “FINE PICTURE,” “H PO\
SITION,” and “V POSITION” 
to the factory settings, carry out the following steps. 
1. Carry out steps 1 to 4 in “Storing the most recent settings” on the previous page. 
2. Press the cursor up or down key to select “RESET.” The horizontal frequency of the present 
    incoming signal appears under the title “RESET.” 
3. Press and hold down the cursor + key for more than three seconds until “COMPLETE” appears   
    instead of the horizontal frequency. 
 
Resetting the present settings and all the custom memories to factory settings 
Note: If you carry out this procedure, not only the custom memories but also all the menu 
items except for “LAMP USAGE,” and “LANGUAGE” will be reset. 
1. Carry out steps 1 to 4 in “Storing the most recent settings” on the previous page. 
2. Press the cursor up or down key to select “ALL RESET.” 
3. Press and hold down the cursor + key for more than three seconds until “COMPLETE” appears 
    under the title “ALL RESET.” 
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							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. 
 
(The elements marked with “O” 
are adjustable.) 
VIDEO 
S-VIDEO 
    RGB 
BRIGHTNESS        O        O 
CONTRAST        O        O 
COLOR        O        -- 
TINT        O        -- 
SHARPNESS        O        -- 
WHITE BALANCE        O        O 
 
1. Select the input source. 
2. Press MENU to display the main menu. 
3. Press the cursor up or down key to select “IMAGE ADJ MENU.” 
4. Press L-CLICK to display the IMAGE ADJ MENU. 
5. Press the cursor up or down key to select “BRIGHTNESS,” then press the cursor +/- key to 
adjust the brightness. 
6. Press the cursor up or down key to select “CONTRAST,” then press the cursor +/- key to 
adjust the contrast. 
7. Press the cursor up or down key to select “COLOR,” then press the cursor +/- key to adjust the 
color.   
 If the input source is RGB and “INPUT MODE” is “RGB,” skip t\
his step and go to step 10. 
8. Press the cursor up or down key to select “TINT,” then press the cursor +/- key to adjust the 
tint. 
Note: The tint control doesn’t operate with a PAL or SECAM source. 
9. Press the cursor up or down key to select “SHARPNESS,” then press the cursor +/- key to 
adjust the sharpness. 
 If the input source is RGB, skip this step and go to the next step. 
10.Press the cursor up or down key to select “WHITE BALANCE,” then press L-CLICK. 
 The WHITE BALANCE menu appears. 
11.Press the cursor up or down key to select each item in the WHITE BALANCE    menu, and 
then press the cursor +/- key to adjust the item for the white color balance. 
 
Selecting the picture type 
The picture types can be selected individually for each input source according to the video 
content and your preferences. 
1. Select the input source. 
2. Press MENU to display the main menu. 
3. Press the cursor up or down key to select “IMAGE ADJ MENU.” 
4. Press L-CLICK to display the IMAGE ADJ MENU. 
5. Press the cursor up or down key to select “IMAGE MODE.” 
6. Press L-CLICK to display the IMAGE MODE menu. 
7. Press the cursor up or down key to select “GAMMA,” then press the cursor +/- key to select 
the gamma mode.  
 
 
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							The following three types of gamma modes can be selected according to your 
preferences: 
• NORMAL, 
• NATURAL 1, or 
• NATURAL 2. 
8. Press L-CLICK. 
9. Press the cursor up or down key to select “INPUT MODE,” then press the cursor +/- key to 
select the input mode. 
If the input source is VIDEO or S-VIDEO, the following two types can be selected: 
• GRAPHICS for displaying a graphic image, or 
• TEXT for displaying a text image such as the image from the document camera. 
10. Press L-CLICK 
11. Press the cursor up or down key to select “WHITE PICTURE,” then press the cursor +/- key 
to select the white picture mode. 
 The following two types can be selected: 
• NORMAL, or 
• QUIET to reduce brightness for better color expression, 
12. Press L-CLICK 
. 
 
Activating the power saving function 
This function operates only with an RGB input source. 
If the input signals from the RGB IN connector go down for more than five minutes, the projector 
will automatically turn off and enter the standby mode. 
1.  Press MENU to display the main menu. 
2.  Press the cursor up or down key to select “POWER MENU.” 
3.  Press L-CLICK to display the POWER MENU. 
4.  Press the cursor up or down key to select “POWER OFF,” then press the cursor + key to select 
      “ON” to activate the power saving function. 
To deactivate the function, set “POWER OFF” to “OFF” by pressing the cursor – key. 
 
Activating the on-screen function 
If you activate the on-screen function, 
• The input source “VIDEO,” “S-VIDEO,” or “RGB” will be displayed for three seconds 
when you have selected the input source with the remote control, and 
• The message “POWER OFF/ENTER” will be displayed on the screen when you press the 
projector POWER button. If “DISPLAY” is set to “ON” this pre\
vents the projector from 
being turned off accidentally. 
1. Press MENU to display the main menu. 
2. Press the cursor up or down key to select “SETTING MENU.” 
3. Press L-CLICK to display the SETTING MENU. 
4. Press the cursor up or down key to select “DISPLAY,” then press the cursor + key to select 
“ON” to activate the on-screen function. 
To deactivate the function, set “DISPLAY” to “OFF” by pressing the cursor – key. 
 
Turning the projector off with on screen functions 
With the remote control: Press the POWER OFF button a for 2 seconds  
(the projector will turn off regardless of the “POWER OFF” settin\
g) 
With the projector keypad: Press the POWER button for 2 seconds. The projector will turn off. 
 
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							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. Periodically check hours of lamp use in the menu so that you 
will have time to purchase a new lamp housing before the old one is burnt out. 
1. Press MENU to display the main menu. 
2. Press the cursor up or down key to select “POWER MENU.” 
3. Press L-CLICK to display the POWER MENU. 
4. Press the cursor up or down key to select “LAMP USAGE.” to display the lamp hours. 
 
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 the POWER ON button on the remote control for more than ten seconds. 
 “LAMP USAGE” will be set to zero. 
 
If the projector doesn’t turn on because lamp use exceeds 1100 hours. 
The projector is designed not to turn on after the lamp use has exceeded 1100 hours.  (If the unit 
is in use, it will go off).  If this happens you must replace the lamp housing with a new one 
immediately.  After replacing the lamp housing, you need to reset the lamp use hours to zero to 
enable you to turn on the unit. You should never reset the projector lamp usage with a 
lamp that has exceeded 1100 hours. There is a real possibility that the lamp could blow up 
destroying the projector innards and causing injury or death. 
 
1.   Switch on the main power. 
2.   Press the POWER OFF button on the remote control for more ten seconds. “LAMP   
      USAGE” will be reset to zero and the STATUS indicator will go o\
ff. 
 
Resetting all to the factory settings 
All the menu items and CUSTOM 1 to 5 memories can be reset to the factory settings except for 
the followings: 
• LANGUAGE 
• LAMP USAGE 
1.   Press MENU to display the main menu. 
2.   Press the cursor up or down key to select “SETTING MENU.” 
3.   Press L-CLICK to display the SETTING MENU. 
4.   Press the cursor up or down key to select “ALL RESET.” 
5.   Press the cursor + key for more than three seconds.  “COMPLETE” appears under the title  
      “ALL RESET” after the reset has completed. 
 
 
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							Specifications 
 
Optical 
DMD TM Single Chip Digital Micro Device (DMD), 1024x768 dots 
Lens Manual zoom, manual focus F3.0 f =35 to 42mm 
Lamp High Performance compact lamp 150W 
Image Size 635 to 7620mm (25 to 300 inches) diagonal 
Projection Distance 1.2 to 12.3m 
Light Output 1300 ANSI lumens (normally white) 
Contrast Ratio 800:1 
Color Temperature 7000 Kelvin 
 
Electrical 
Inputs Video (NTSC / PAL / SECAM / NTSC4.43)  
RGB (H:15 to 85 kHz, V:50 to 85 Hz) 
Video Bandwidth 60 MHz 
Color Reproduction Full color, 16.7 million colors simultaneously. 
Horizontal Resolution NTSC 500, PAL 500, SECAM 300, NTSC4.43 350 TV lines  
RGB 1024 dots horizontal, 768 dots vertical 
Power Requirement 100 to 120/220 to 240 VAC, 50/60 Hz 
Input Current 2.2A/1.0 A (400W) 
 
Mechanical 
Dimensions 23.5cm (W) x 5.8cm (H) x 29.7cm (D) 9.3 x 2.3 x 11.7 
Net Weight 2.6 kg/5.7 lbs 
Operational Temperatures Data projector: 5 degree to 35 degree Celsius (41 degree to 
95 degree Fahrenheit), 30 to 85% humidity 
Remote control: 0 degree to 60 degree Celsius (32 degree to 
140 degree Fahrenheit) 
Regulations UL Approved (UL 1950, CSA 950) 
Meets DOC Canada requirements 
Meets FCC Class A requirements 
Meets EMC Directive (EN55022, EN61000-3-2, EN61000-3-
3, EN50082-1) 
Meets Low Voltage Directive (EN60950, TUV GS 
Approved) 
CE Approved for EU 
 
 
D-Sub Pin Assignments       
    
1  Red             6  Red Gnd     11 GND 
2  Green 7  Green Gnd     12 SDA 
3  Blue             8  Blue Gnd     13 Horizontal Sync 
4  GND 9  N/C      14 Vertical Sync 
5  GND          10  Digital Gnd     15 SCL 
    
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							. 
. 
Troubleshooting 
This section helps you resolve problems while setting up or using your projector. 
 
Common Problems & Solutions 
Problem Check These Items 
Does not turn on Check that the cord is plugged in. Test the outlet. 
 
Check the status light to see if the projector has 
overheated or the lamp usage exceeds 1100 hours. 
No picture Use the menu icons to select your source (Video, S-
Video, or RGB).  
 
Ensure your source cables are connected properly.  
 
Adjust the brightness and contrast 
 
Remove the lens cap.  
 
Is the STATUS indicator blinking? 
Image isn’t square to the screen Reposition the projector to improve its angle to the 
screen 
 
Use remote control keystone button to correct offset. 
Picture is blurred Adjust the focus 
 
Reposition the projector to improve its angle to the 
screen.  
 
Ensure that the distance between the projector and 
screen is within the minimum and maximum 
adjustment range of the lens 
Remote control does not work Install new batteries. Low batteries may activate the 
laser but be insufficient to generate IR commands. 
 
Make sure there are no obstacles between you and 
the projector. 
 
Stand within 13 feet (4m) of the projector.  
The STATUS indicator is lit or blinking See the Status Light message chart on the next page. 
Cross color in RGB mode If “Auto Picture” is off, turn it on.  If “Auto Picture” 
is on, turn it off and balance the image with the 
Picture Adjustment icon and Fine Picture Adjustment 
icon 
 
 
 
 
 
 26 
						

							When the STATUS indicator on the projector keypad lights or blinks 
 
Status Light Message 
Condition Status 
OFF Normal 
On Continually The projector lamp has exceeded 1000 hours of 
operation and should be replaced. 
Blinking Very Rapidly (On and off in a 
cycle of 1 sec.) 
The lamp housing is not correctly installed.  Install it 
correctly. 
Blinking Rapidly 
(On and off in a cycle of 4 sec.) 
The temperature protector has been triggered.  If the 
room temperature is high, move the projector to a 
cool location. If the temperature within the projector 
is high, check the cooling fan ventilation hole and the 
ventilation hole on the bottom of the projector.  If any 
holes are blocked, remove whatever is blocking them. 
 
The temperature protector has been triggered.  If you 
switch the main Power switch Off, then immediately 
switch it On again; sometimes the power does not 
come on.  If this happens, wait one minute, and then 
switch the power On again. 
 
The lamp lighting voltage error detection protector 
has been triggered.  Wait at least one minute before 
switching it on again.  If this does not solve the 
problem, please contact your dealer. 
Blinking Slowly (On and off in a cycle of 
8 sec.) 
The cooling fan has stopped.  Contact your Knoll 
dealer for service. 
Blinking Very Slowly (On and off in a 
cycle of 12 sec.) 
The lamp is not turned on. 
 
The projector was turned off and back on too quickly.  
Turn off the projector, wait one minute, then turn the 
projector back on.  Or the lamp is burnt out. 
 
Replacing the lamp housing 
After the lamp has been operating for 1000 hours or longer, the STATUS indicator on the control 
panel will light and “LAMP USAGE” icon, which shows hours of total lamp use, will be 
displayed on the screen.  When this happen, turn off the unit and replace the lamp housing with 
new one.  The unit will not be go on after 1100 hours.  (It will go off\
 if it is in use.) 
 
                                          
   ***CAUTION*** 
• DO NOT TOUCH THE LAMP immediately after it has been used.  It will be 
extremely hot.  Allow at least one hour for the lamp to cool before handling. 
• DO NOT LOOSEN ANY SCREWS except for those mentioned in the instructions \
below.  There is danger of electric shock. 
 
 
 
 
 27 
						

							Lamp housing replacement procedure 
1. Wait at least one hour for the lamp to cool  
2. Unplug the power cord.   
3. Turn the unit upside down carefully. 
4. Loosen the lamp cover securing screw and remove the 
    lamp cover. 
 
CAUTION: Do not use a lamp housing other than 
the Knoll replacement lamp housing. Order this 
from your Knoll dealer using your projector’s 
model number (see “Note” below). 
 
5. Loosen the three lamp housing securing screws.  (This 
    projector has a safety switch.) 
6. Hold the handle then pull the lamp housing upward to   
    remove it. 
7. Install the new lamp housing. 
8. Secure the lamp housing with the three screws. 
9. Replace and secure the lamp cover with the securing 
      screw. 
10. Return the unit to the normal position, connect the  
       power cord, and turn on the unit. 
11. Reset the lamp time. Select the lamp usage time  
       menu, then press the POWER ON button on the 
       remote control and hold it down for at least ten 
       seconds.   
       
 
Note: 
When the lamp usage time reaches 1100 hours, it 
becomes impossible to switch on the power and 
menus are not displayed.  In this case, press the 
remote control POWER OFF button for at least 10 
seconds in the standby mode.  It is possible to 
confirm whether it has been reset or not by 
checking whether the STATUS indicator is 
extinguished. 
Obtain a replacement lamp from your dealer where 
the projector was purchased.  When ordering a 
replacement lamp, specify the correct special 
replacement lamp – model name U2-150 
(Product code 28-640). 
 
Knoll Systems  
145 Tyee Drive Point Roberts, WA USA 98281 
11791 Machrina Way, Richmond BC Canada V7A 4V3 
 
© Copyright 1999-2001 All Rights Reserved 
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