Selecting an input signal, 1 using the projector’s control button, Press the input button – VIEWSONIC PJ510 User Manual
Page 17: Selecting a rgb signal, using the remote control, Press the rgb button, Selecting a video signal, using the remote control, Press the video button, 2 use the zoom ring to adjust the screen size, 3 use the focus ring to focus the picture

ViewSonic PJ510
14
Selecting An Input Signal
1
Using the projector’s control button
Press the INPUT button.
As illustrated below, each time you press the INPUT button, the
projector switches between its input signal ports. Select the signal
you wish to project.
Selecting a RGB signal, using the remote control
Press the RGB button.
When this button is pressed, the projector switches to the RGB
port.
Selecting a video signal, using the remote control
Press the VIDEO button.
As illustrated below, each time you press the VIDEO button, the
projector switches between its input signal ports. Select the signal
you wish to project.
2
Use the zoom ring to adjust the screen size.
3
Use the focus ring to focus the picture.
INPUT button
RGB button
VIDEO button
Zoom knob
Focus ring