LS901HD LS901-4K Using the Projector

From ViewSonic User Guide Database

Using the Projector

Turning the Projector On

# Make sure the projector’s power cord is properly connected to a power outlet.
  1. Press the Power button on the projector or remote control to turn on the projector.
Note: :* The Power Indicator Light will be flashing blue during startup.
  • The first time the projector is turned on, you will be prompted to select the preferred language and projection orientation.
the location of the power switch

Selecting an Input Source

The projector can be connected to multiple devices at the same time. However, it can only display one full screen at a time.

connections to multiple devices


When Auto Source is on, the projector will automatically search for input sources. If multiple sources are connected, press the Source button on the projector or remote control to select the desired input.

Note: Make sure the connected sources are also turned on.

Adjusting the Projected Image

Adjusting the Projector’s Height and Projection Angle

The projector is equipped with three adjustment feet. Adjusting the feet will change the projector’s height and the vertical projection angle.

Height adjustment

Adjusting the Focus, Keystone, and Lens Shift

You can improve and adjust the clarity and position of the image by adjusting the Focus Ring, Keystone Keys, Lens Shift dial, or Zoom Ring.

Image correction

Turning the Projector Off

  1. Press the Power button on the projector or remote control and a “power off message” will appear.
  2. Press the Power button again to confirm and shut down the projector.
  3. The Power Indicator Light will turn solid red and enter standby mode.