Viewsonic A-CD-PJ502 ユーザーガイド

When the unit's 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 ap-
pears, 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 turned on.

NO INPUT IS DETECTED 

ON ***

There is no input signal.
Please confirm the signal input connection, and the status of the 

signal source.

SYNC IS OUT OF RANGE 
ON *** 

 *****kHz 

 

*****Hz

outside of the response parameters of this unit.
Please confirm the specs for this unit or the signal source specs.

CHECK THE AIR FLOW

The internal portion temperature is rising.
Please turn the power OFF, and allow the unit to cool down at least 

20 minutes. After having confirmed the following items, please turn 

the power ON again.
o Is there blockage of the air passage aperture?
o Is the air filter dirty?
o Does the peripheral temperature exceed 35

o

C?

CLEAN THE AIR 
FILTER
POWER
OFF FIRST, 
AFTER CLEANING THE 

AIR FILTER, RESET THE 

FILTER TIMER

A note of precaution when cleaning the air filter.
Please immediately turn the power OFF, and clean or change

 the air 

filter by referring to the “Air Filter” section of this manual.
After you have cleaned or changed the air filter, please be sure to 
reset the filter timer. If the same message is displayed after

 the treat-

ment, please clean the transparent area of filter cover

 and the dust-

detecting window, according to the following.

To maximize performance, 

lamp replacement is recom-

mended

When the projector lamp reaches 2000hours, this message is

 dis-

played.

fH

fV