Optoma Technology TXR774 用户手册

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Control Panel & Remote Control

Control Panel

Using the Control Panel
KEYSTONE 

Adjust the image Keystone positively.

ENTER

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LAMP LED

Indicate the projector’s lamp status.

POWER LED

Indicate the projector’s status.

POWER

Refer to the “Power On/Off the 

Projector” section on page 15. 

AV-MUTE 

Momentarily turns off / on the audio 

and video.

MENU

Press MENU to launch the on-screen 

display (OSD) menu. To exit OSD, 

Press MENU again.

RE-SYNC

Automatically synchronizes the pro-

jector to the input source.

KEYSTONE

Adjust the image Keystone negatively.

SOURCE

Press SOURCE to select an input 

 

signal.