Viewsonic 300 User Manual

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ViewSonic  PJ750
TROUBLESHOOTING
OSD Message
The messages as described below may appear on the screen at power ON. Take the appropriate mea-
sures when such messages appear.
Table 9: OSD Message
NOTE: 
(*1) This message is cleared automatically after approximately three minutes, and appears every 
time power is switched ON.
(*2) The unit has a function to turn the power off which will be active when the usage time reaches 
2000 hr. However the life of lamp might be much different among lamps, so that it might happen that 
a lamp is cut off before the function is active.
Message
Contents
CHANGE THE LAMP
AFTER REPLACING LAMP,
RESET THE LAMP TIME.
(*
1)
The usage time of lamp will be reaching 2000 hr shortly (*2).
It is recommended to replace the lamp soon. Prepare a new 
lamp as replacement.
CHANGE THE LAMP
AFTER REPLACING LAMP,
RESET THE LAMP TIME.
THE POWER WILL TURN OFF
AFTER **hr.
(*
1)
The usage time of lamp will be reaching 2000 hr shortly.
It is recommended to replace the lamp within * * hours (*2).
It might happen that the lamp is cut off before * * hr by any 
chance. Power will be switched OFF automatically in * * 
hours. Replace the lamp as shown on p. 17-18, “Lamp.” 
Always reset the lamp timer after replacing the lamp.
CHANGE THE LAMP
AFTER REPLACING LAMP,
RESET THE LAMP TIME.
THE POWER WILL
TURN OFF
AFTER 0 hr.
The usage time of lamp is about to reach. Power will be 
switched OFF in a few minutes (*2).
Switch power OFF immediately and replace the lamp as 
shown on p. 17-18, “Lamp.” Always reset the lamp timer after 
replacing the lamp.
NO INPUT IS DETECTED
ON ***
No input signal found.
Check the signal input connections and signal sources.
SYNC IS OUT OF RANGE
ON ***
The horizontal or vertical frequency of the input signal is not 
within the specified range.
Check the specifications of the equipment and the signal 
source.