ViewSonic Pj452 Projector User Manual

ViewSonic PJ452 
7 
Putting batteries 
WARNING  ►Always handle the batteries with care and use them only as 
directed. Improper use may result in battery explosion, cracking or leakage, which 
could result in fire, injury and/or pollution of the surrounding environment. 
• Be sure to use only the batteries specified. Do not use batteries of different types 
at the same time. Do not use a new battery with used one.   
• Make sure the plus and minus terminals are correctly aligned when loading a battery....

 
ViewSonic PJ452 8 
Using the remote control 
CAUTION  ►Be careful in handling the remote control. Incorrect handling 
could cause damage or malfunction. 
• Do not drop or otherwise expose the remote control to physical impact. 
• Do not get the remote control wet or place it on wet objects.   
• Remove the batteries from the remote control and store them in a safe place if 
you won’t be using the remote control for an extended period.   
• Replace the batteries whenever the remote control starts to...

 
ViewSonic PJ452 9 
About the filter cover for bottom-up use 
WARNING ►Do not replace the filter cover and/or air filter during use or 
immediately after use. Handling while the projector is in a high temperature could 
cause a burn and/or malfunction to the projector. Before operating, make sure that 
the power switch is off, that the power cord is not plugged in, and that the projector 
is cooled adequately. 
When the projector is installed bottom up, please use the accessory filter cover for...

ViewSonic PJ452 
10 
Setting up   
WARNING  ►Place the projector in a stable position horizontally. A fall or a 
turnover could cause an injury and/or damage to the projector. Then using a 
damaged projector could result in a fire and/or an electric shock. 
• Don’t place the projector on an unstable, slant or vibrant surface such as a wobbly 
or inclined stand. 
• Do not place the projector in the side/front/rear-up position, except care of the air 
filter. 
• For the projector installed bottom-up, use...

ViewSonic PJ452 
11 
Arrangement 
Refer to the illustrations and tables below to 
determine the screen size and projection distance. 
The values shown in the table are calculated (±3%) for a 
full size screen: 1024x768   
At 4:3 screen 
(c) Screen height   
[cm (inch)] (a) Screen size 
[inch (m)] (b) Projection 
distance  
[m (inch)] 
down up 
40 (1.0) 1.3 (53) 8.7  (3)  52.3 (21) 
50 (1.3) 1.7 (66) 10.9 (4)  65.3 (26) 
60 (1.5) 2.0 (80) 13.1 (5)  78.4 (31) 
70 (1.8) 2.4 (93) 15.2 (6)  91.4 (36) 
80...

ViewSonic PJ452 
12 
Adjusting the projectors elevator 
WARNING ►Do not adjust the projector’s elevator during use or immediately 
after use. Handling while the projector is in a high temperature could cause a burn 
and/or malfunction to the projector. Before operating, make sure that the power 
switch is off, that the power cord is not plugged in, and that the projector is cool 
adequately. 
CAUTION ►If you press the elevator button without holding the projector, the 
projector might crash down,...

ViewSonic PJ452 
13 
Connecting your devices 
CAUTION  ►Turn off all devices prior to connecting them to the projector. 
Attempting to connect a live device to the projector may generate extremely loud 
noises or other abnormalities that may result in malfunction and/or damage to the 
device and/or projector. 
►Use the accessory cable or a designated-type cable for the connection. Some 
cables have to be used with core set. A too long cable may cause a certain picture 
degradation. Please consult with...

ViewSonic PJ452 
14 
Examples of connection with a computer 
 
  
 
 
 
 
 

ViewSonic PJ452 
15 
Connecting power supply 
WARNING  ►Please use extra caution when connecting the power cord as 
incorrect or faulty connections may result in fire and/or electrical shock. 
• Only use the power cord that came with the projector. If it is damaged, contact 
your dealer to newly get correct one. 
• Only plug the power cord into an outlet rated for use with the power cords 
specified voltage range. 
• Never modify the power cord. Never attempt to defeat the ground connection of 
the...

ViewSonic PJ452 
16 
Power on/off     
Turning on the power 
WA R N I N G   ►When the power is on, a strong light is emitted. Do not look 
into the lens or vents of the projector. 
 
NOTE • Turn the power on in right order. Please power on the projector before the 
connected devices. 
                      
 
1. Make sure that the power cord is firmly and correctly connected to the projector 
and outlet. 
2. Open the lens cover, and set the power switch to the ON position. 
The power indicator will light...