ViewSonic Pj452 Projector User Manual

ViewSonic PJ452 37  Item Description 
MyScreen Lock Using the buttons ▲/▼ turns on/off the MyScreen lock 
function. 
TURN ON 

ViewSonic PJ452 38 
OPTION menu 
With the OPTION menu, items shown in the table below can 
be performed. 
Choose an item using the cursor buttons ▲/▼ on the 
projector or remote control, and press the cursor button ► 
on the projector or remote control, or the ENTER button on 
the remote control to progress, except for the items LAMP 
TIME and FILTER TIME. Then perform it referring to the 
following table. 
 
Item Description 
AUTO 
SEARCH Using the buttons ▲/▼ turns on/off the automatic signal 
search...

ViewSonic PJ452 39  OPTION menu (continued) 
Item Description 
LAMP TIME The lamp time is the time counted after the last resetting. It is 
shown in the OPTION menu as the use time of the lamp. 
Performing this item resets the time. 
Pressing the RESET button on the remote control or the button 
► on the projector for about 3 seconds displays a dialog to 
make sure. To perform reset, point at RESET using the button 
▲. 
RESET  CANCEL 
 
• Please reset the lamp time only when you have replaced the 
lamp,...

ViewSonic PJ452 40  OPTION menu (continued) 
Item Description 
SERVICE Choosing this item displays the SERVICE menu. 
Choose an item using the buttons ▲/▼, and press the button ► 
or the ENTER button to progress. 
 FAN SPEED 

ViewSonic PJ452 41 
Maintenance  
Lamp 
WA R N I N G HIGH VOLTAGE
 HIGH TEMPERATURE  HIGH PRESSURE 
►The projector uses a high-pressure mercury glass lamp. The lamp can break with a loud 
bang, or burn out, if jolted or scratched, handled while hot, or worn over time. Note that 
each lamp has a different lifetime, and some may burst or burn out soon after you start 
using them. In addition, when the bulb bursts, it is possible for shards of glass to fly into 
the lamp housing, and for gas containing...

ViewSonic PJ452 42  When the indicators or a message prompts you to replace the lamp, replace the 
lamp as soon as possible.
  
1.
 Turn the projector off, and unplug the power cord. Allow the lamp to cool for 
at least 45 minutes. 
2.
 To prepare a new lamp, contact your dealer and tell the lamp type number = 
RLC-004. If the projector is mounted on the ceiling, or if the lamp has broken, 
also ask the dealer to replace the lamp. 
In the case of replacement by yourself,
  
3.
 After making sure that the...

ViewSonic PJ452 43 
Air filter 
WARNING  ►Do not replace the 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 cool adequately. 
►Use only the air filter of the specified type. Do not use the projector with the air filter 
and filter cover removed. 
►Avoid wetting the...

ViewSonic PJ452 44  4. Apply a vacuum cleaner to the air filter and filter cover. Then set a new or cleaned 
air filter into place. 
In case of the filter cover for bottom-up use, remove the air filter from the filter cover 
and clean each. After cleaning, reattach the cleaned filter to the filter cover. 
       Claws              Air filter 
                   
 
Rail of air filter
      
       Filter cover for bottom-up use 
Please replace the air filter when it is damaged or too soiled
.  
To prepare...

ViewSonic PJ452 45 
Other care  
WARNING  ► Do not take care of the projector 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. 
►Never try to care for the inside of the projector personally. Doing is so 
dangerous. 
►Avoid wetting the projector or inserting liquids...

ViewSonic PJ452 46 
Troubleshooting  
Related messages 
When the units power is on, messages such as those shown below may be 
displayed. When any such message is displayed on the screen, please respond as 
described below. If the same message is displayed after the treatment, or if a 
message other than the following appears, please contact your dealer or service 
company. 
Although these messages will be automatically disappeared around several 
minutes, it will be reappeared every time the power is...