Knoll Systems Ht221 Projector User Manual

        
HT221 
 
 
 
 
 
 
 
 
 
Users Manual v1.0 
 
Complies with part 15 of the FCC rules. Operation is subject to:  
1. This device may not cause harmful interference 
2. This device must accept any interference received       
      including interference that may cause undesired operation. 
 
 
WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT 
REMOVE THE COVER, NO USER SERVICEABLE PARTS INSIDE. 
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. 
 
WARNING: TO PREVENT FIRE OR SHOCK HAZARDS, DO...

IMPORTANT SAFEGUARDS 
These safety instructions are to ensure the long life of your projector and to prevent fire and 
shock.  Please read them carefully and heed all warnings. 
 
Installation 
• For best results, use your projector in a darkened room. 
• Place the projector on a flat, level surface in a dry area away from dust and moisture or hang it 
from the ceiling with an approved mount kit. 
• Do not place your projector in direct sunlight, near heaters or heat radiating applian\
ces. 
• Exposure...

Table of Contents 
 
2 IMPORTANT SAFETY INFORMATION 
3 Table of contents 
 
4 Basic information  
4 Features 
5 Remote control 
 
6 Connection Panel 
6 Projector part identification 
7 Projector positioning 
8 Connecting video equipment 
9 Connecting a PC or Macintosh 
10 Using the remote control as a computer mouse 
 
11 Using the projector 
12 Selecting the input source 
14 Turning the projector off 
14 Changing the computer’s video resolution 
15 Freezing and enlarging the picture 
16 Menu operations...

Basic HT221 Information 
 
Congratulations On Your Purchase of the HT221 Projector! 
 
The HT221 is one of the very best Projectors available today.  The HT221 enables you to project 
precise images up to 300 inches across (measured diagonally) from your PC or Macintosh 
computer (desktop or notebook), VCR, document camera, laser disc player, DVD player, etc. 
The Projector can be placed on a tabletop or cart, or permanently mounted on the ceiling.  You 
may use the Projector to project images from...

Remote Control 
 
Inserting the batteries 
1) Press firmly and slide 
the battery cover off. 
2) Insert the supplied two 
batteries (size AA/R6).  
Ensure that the 
polarities (+ and -_) of 
the batteries are 
aligned correctly. 
Always replace 
batteries with fresh 
alkaline type. 
3) Slip the cover back 
over the batteries until 
it snaps into place. 
 
Notes 
• If the remote control 
gets wet, wipe it dry 
immediately. 
• Avoid excessive heat 
and humidity. 
• If you will not be using 
the remote...

 
  
  
 
Projector Part Identification 
  
 
 
 
 
 
Installation 
The distance from the projector lens to the screen determines to the size of the projected 
image, therefore, you need to consider the place where you set up the proj\
ector and 
screen before making connections.  You also need to consider the screen size and height \
of the unit and screen as other important factors. 
 
Tip: Although not advised, a non-glossy wall may be used as a substitute for a screen. 
 
 
 
 6 

 
WARNING 
• Carrying The Projector 
Ensure that the power cord and any other cables connecting to video sour\
ces are 
disconnected before moving the projector.  When moving the projector or when it is 
not in use, cover the lens with the lens cap. 
• Only use your Projector on a solid flat level surface.  If the projector\
 falls to the 
ground, you can be injured and the projector severely damaged. 
• Do not use the Projector where temperatures vary greatly.  The projector must be used 
at...

 
Connecting Video 
Equipment 
You can connect a document 
camera, VCR, laser disc player, 
and DVD player, etc. 
 
Connecting to the VIDEO 
IN VIDEO/S-VIDEO 
JACKS 
You can connect up to two 
pieces of video equipment to 
the VIDEO IN jacks 
following the illustration 
below.  Two types of 
connections can be made.  
Connect either using the 
cables indicated in dotted 
lines or those in gray as 
shown in the drawing below. 
• You can switch the input 
source (picture) to VIDEO 
or S-VIDEO even if you...

Connecting a PC or Macintosh to the Projector enables computer images fo\
r 
impressive presentations. 
• The following display standards are supported: 
VGA 640x480 for graphics  VGA 640x400 for graphics XGA 1024x768 
VGA 640x350 for graphics  VGA 720x400 for text  Mac  1024X768 
VGA 720x350 for text  SuperVGA 800x600 
Macintosh at 640x480  Macintosh at 832x624 
• If your PC 
does not 
support 
XGA you 
will need to 
install a 
XGA 
graphics 
board.  
Consult 
your 
computers 
owners 
manual for 
your...

PowerBook Connection Depending on the model of your PowerBook, the additional Apple 
video cable adaptor may be required with the above connection. 
Modifying the DIP switch (for Macintosh) setting 
Modify the DIP switch setting on the MAC cable as shown below. 
Macintosh adapter cable DIP switch setting (o=ON) 
 
 MONITOR  RESOLUTION 1 2 3 4 5 6 
 
   Multiple scan 21  o o    o 
 
Multiple scan 17  o o   o 
   
Multiple scan 16  o o   o o 
   
VGA/SVGA     o o    
 
21 Color 1152x870  o o o o 
 
19...