Acer X1220 User Manual - Page 40
Management, Audio
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31 Management English English 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 Altitutde Choose On to turn on High Altitude mode. Operate the fans at full speed continuously to allow for proper cooling of the projector. Turn Off Mode • Instant Off: Enables you to turn off the projector immediately, without fan cooling process, by pressing the power button twice. • Instant Resume: Enables you to restart the projector immediately, without a two minute cool-down period. Auto Shutdown The projector will automatically shutdown when there is no signal input after the allocated time (in 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 reset the lamp hour counter to 0 hours. Audio Volume • Press • Press to decrease the volume. to increase the volume.