ViewSonic PX704HD User Manual page 52

Menu
Optional Filter Settings
Reset
NOTE:
• Acoustic noise level of the projector may increase after installing a dust
filter.
• For high temperature (> 35°C) or high attitude (> 1524 m) operation
conditions, it is recommended to switch to "High Altitude" cooling mode
when the dust filter is installed.
• It is recommended to clean the dust filter every 100 hours after the dust
filter is installed.
• Turn off the projector and unplug it from its power source before installing
or detaching the filter.
Optional Filter Installed
Select "Yes" to display warning message after a specified
number of hours. Select "No" to turn off warning message.
NOTE: The default setting is "No". After installing a filter,
please turn on the projector then press Menu, go
to Options > Optional Filter Settings > Optional
Filter Installed and select Yes.
Filter Usage Hours
Displays the filter hours.
Filter Reminder
Select the number of hours until the filter message is
displayed.
NOTE: Factory default is 500 hours.
Filter Reset
Reset the dust filter counter after replacing or cleaning the
dust filter.
Exit
Exit the Optional Filter Settings menu.
Return the settings to default.
NOTE: When resetting, the following settings will still
remain: Auto Keystone, Filter Usage Hours, High
Altitude, Lamp hours, Language, Optional Filter
installed, Password, Projection, Security, Security
Timer, V Keystone.
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Description