Knoll Systems Ht200 Projector Specifications

 
Timing Chart 
 Signal Resolution H. Sync. 
(kHz) 
V. Sync. 
(Hz) 
Dot Clock 
(MHz) 
1 NTSC 640 x 480 15.734 59.94 - 
2 PAL 768 x 576 15.625 50 - 
3 SECAM 768 x 576 15.625 50 - 
4 VESA 640 x 350 37.86 85.08 31.5 
5 Mac 640 x 400 35 66 30.24 
6 IBM 640 X 400 31.47 70 25.175 
7 VESA 640 X 400 37.86 85.08 31.5 
8 VESA 640 X 480 31.47 59.94 25.175 
9 IBM 640 X 480 31.47 60 25.175 
10 Mac 640 X 480 31.47 60 25.175 
11 Mac 640 X 480 34.97 66.67 31.334 
12 Mac 640 X 480 35 66.67 30.24 
13 VESA 640 X 480 37.86...

 
Adjusting the clock frequency (PICTURE ADJ) and clock phase (FINE 
PICTURE) manually 
When AUTO PICTURE is set to ON, the clock frequency and clock phase will be adjusted 
automatically.  However, if you need any manual adjustment for these two items, you first need 
to set AUTO PICTURE to OFF as indicated in the following steps.  Adjust the clock 
frequency to eliminate any vertical banding, then clock phase to reduce any video noise, dot 
interference, or cross talk.  (When clock phase is not matched...

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...

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 (see page 20). 
 
                   Input source 
(The elements marked with “O” 
are adjustable.) 
VIDEO 
S-VIDEO 
                 RGB 
  INPUT MODE (see page 24.) 
      RGB      YCbCr 
BRIGHTNESS        O        O         O 
CONTRAST        O        O         O...

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 RGB, refer to “Setting INPUT MODE to YcbCr” on page 20. 
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...

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: (When “DISPLAY” is set to “ON”)  
Press the POWER button. “POWER OFF/ENTER” appears. 
Press ENTER. The projector will turn off. 
With the projector keypad: (When “DISPLAY” is set to “OFF”)  
Press the POWER button for 2 seconds. The projector will turn off. 
 
Canceling turning off the...

Specifications 
 
Optical 
DMD TM Single Chip Digital Micro Device (DMD TM), 800x600 dots 
Lens Manual zoom, manual focus F3.0 f =27.5 to 35.75mm 
Lamp Metal halide lamp 280W 
Image Size 610 to 7620mm (24 to 300 inches) diagonal 
Projection Distance 1.2 to 12.3m 
Light Output 800 ANSI lumens (normally white) 
Contrast Ratio 500:1 
Color Temperature 7000 Kelvin 
 
Electrical 
Inputs Video (NTSC/PAL/SECAM/NTSC4.43)  
RGB (H:15 to 60 kHz, V:50 to 85 Hz) 
Video Bandwidth 60 MHz 
Color Reproduction Full...

 
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 and that the power 
switch on the back panel is on.  (See page 13.) 
 
Check the status light to see if the projector has 
overheated or the lamp usage exceeds 1100 hours.  
(See pages 29 and 30.) 
No picture Use the menu icons to select your source (Video, S-
Video, or RGB).  (See page 13.)...

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...

Lamp housing replacement procedure 
1. Switch off the main power and unplug the power cord.  
2. Wait at least one hour for the lamp to cool. 
3. Turn the unit upside down carefully. 
4. Loosen the lamp cover securing screw. 
5. Slide the lamp cover in the direction of the arrow and  
    remove it. 
 
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). 
 
6. Loosen the three lamp...