Timing Of Replacing The Lamp; Replacing The Lamp; Operations At High Altitudes - ViewSonic PA502X User Manual

Timing of replacing the lamp

When the lamp light is on, install a new light bulb or ask the dealer. The lamp may
cause the projector to malfunction. In some cases, the bulb may burst.
Note
If the lamp temperature is too high, the lamp indicator and temperature indicator will
light up. Turn the power off and let the projector cool for 45 minutes. If the lamp is
turned on again, the lamp indicator or temperature indicator will still be on. Please
consult your dealer. For details, see page 46

Replacing the lamp

Turn off the power and unplug the projector from the wall outlet. To replace the lamp,
contact a qualified service representative.

Operations at high altitudes

We recommend using the High Altitude Mode when the environment is at 1500 to
3000 meters above sea level and the temperature is between 5°C to 25°C.
Note
Do not activate High Altitude Mode if the environment is
at 0 to 1500 meters above sea level and the temperature
is between 5°C to 35°C.
Activating High Altitude Mode under such circumstances
will lead to excessive cooling of the projector.
Activating High Altitude Mode:
1. Open the OSD menu and enter System Settings > High
Altitude Mode menu.
2. Press  and select ON.
3. Select Yes, and then press [Enter].
There is a chance that louder operational noises will be generated when using the
projector in High Altitude Mode. The reason for this is the increased fan speed
necessary to improve overall system cooling and performance.
Using this projector under extreme environments that exceed the aforementioned
limits may lead to auto-shutdown designed to prevent overheating of the projector.
Under such circumstances, you should switch to High Altitude Mode to solve these
issues. However, this does not mean that this projector is able to operate under any
and all harsh or extreme conditions.
"LED Indicator".
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