1271 – How do I set up my PRM-25 image?

1271 – How do I set up my PRM-25 image?

Applicable to:

  • PRM 25

    PRM 25

One of the added features of the PRM-25 projector is that natively supports widescreen resolution laptops for projecting a widescreen image onto a widescreen ActivBoard (87″/88″/95″ ActivBoard). The projector also supports a 4:3 aspect ratio ActivBoards (64″/78″), and therefore can be used on all ActivBoards.

This document identifies the correct aspect ratio for each ActivBoard, and the different variants of screen resolution that can be used natively with the projector, as well as information on how to adjust your projector to display the correct image.

List of ActivBoards and aspect ratios

  • 95″ – 16:9 (Widescreen)
  • 87″ and 88″ – 16:10 (Widescreen)
  • 78″ – 4:3
  • 64″ – 4:3
4:3 Aspect Ratio16:9 Aspect Ratio16:10 Aspect Ratio
320 x 240852 x 480320 x 200
640 x 4801280 x 720640 x 400
800 x 6001365 x 7681280 x 800
1024 x 7681600 x 9001440 x 900
1152 x 8641920 x 10801680 x 1050
1280 x 960
1400 x 1050
1600 x 1200
1920 x 1200
2048 x 1536
2560 x 1600
3200 x 2400
4000 x 3000
6400 x 4800
7680 x 4800

This article will show how to set up the image correctly on all variants of ActivBoard (64″/ 78″/ 87″/88″/95″).

This article also assumes that the projector has been installed correctly and tested by the system installer.

Before starting please ensure your computer is set to one of the resolutions listed above in accordance with your ActivBoard size.

When using an 87″/88″/95″ ActivBoard using a non – widescreen laptop

  • Press the Menu button on the remote control.
  • Using the right arrow key navigate to the Installation I screen.
  • Now press the down arrow key so that Aspect Ratio is highlighted.
  • Using the right arrow key ensure that this setting is set to Fill.
  • Connect the VGA cable from the wallbox to your laptop.
  • Using your laptop shortcut keys or through the graphics settings turn on what is sometimes known as Presentation mode (shows an image on both laptop and through the projector).

When using a 64″/78″ ActivBoard using a non – widescreen laptop

  • Press the Menu button on the remote control.
  • Using the right arrow key navigate to the Installation I screen.
  • Now press the down arrow key so that Aspect Ratio is highlighted.
  • Using the right arrow key ensure that this setting is set to Native.
  • Set the screen resolution of the laptop to any of the 4:3 resolutions above.

When using an 87″/88″/95″ ActivBoard using a widescreen laptop

  • Press the Menu button on the remote control.
  • Using the right arrow key navigate to the Installation I screen.
  • Now press the down arrow key so that Aspect Ratio is highlighted.
  • Using the right arrow key ensure that this setting is set to Native.
  • Set the screen resolution of the laptop to any of the 16:9 (95” ActivBoard) or 16:10 (87” ActivBoard) resolutions above.

When using a 64″/78″ ActivBoard using a widescreen laptop

  • Press the Menu button on the remote control.
  • Using the right arrow key navigate to the Installation I screen.
  • Now press the down arrow key so that Aspect Ratio is highlighted.
  • Using the right arrow key ensure that this setting is set to Fill.
  • Then you will need to set the screen resolution to ANY of the 4:3 screen resolutions.
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