Acer X112 - Manual (Page 34)

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Management
Audio
ECO Mode Choose "On" to dim the projector lamp which will lower power
consumption, extend the lamp life and reduce noise. Choose "Off"
to return normal mode.
High Altitude Choose "On" to turn on High Altitude mode. Operate the fans at
full speed continuously to allow for proper high altitude cooling of
the projector.
Turn Off Mode • Instant Off: Shuts down the projector without fan cooling.
• Instant Resume: Resumes the system when the Power button
is pressed again within 2 minutes.
Auto Shutdown The projector will automatically shutdown when there is no signal
input after the allocated time. (default is 120 minutes)
Lamp Hour Elapse Displays the lamp’s elapsed operating time (in hours).
Lamp Reminding Activate this function to display a reminder to change the lamp 30
hours before its expected end-of-life.
Lamp Hour Reset
Press the button and choose "Yes" to turn the lamp hour
counter to 0 hours.
Volume (for X1261P series only)
• Press to decrease the volume.
• Press to increase the volume.
Mute (for X1261P series only)
• Choose "On" to mute the volume.
• Choose "Off" to restore the volume.