NEC MA Series 43" 4K Commercial Display with Media Player and Raspberry Pi Compute Module 4 SoC - Manual (Page 40)

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Setting the Aspect Ratio
Press the ASPECT button on the remote control to cycle through the options available for the current input signal.
For DisplayPort1, DisplayPort2, OPTION (DisplayPort)* 1
• [FULL] ➙ [1:1] ➙ [ZOOM] ➙ [NORMAL]
For HDMI1, HDMI2, OPTION (TMDS)* 1 , COMPUTE MODULE* 2
• [FULL] ➙ [WIDE] ➙ [1:1] ➙ [ZOOM] ➙ [NORMAL]
* 1 : This function depends on which Option Board is installed in the monitor.
* 2 : This input is available when the optional Raspberry Pi Compute Module Interface Board and Raspberry Pi Compute Module are installed.
Aspect ratio of
image
Unchanged view* 3
Recommended selection for picture
aspect* 3
Description
4:3 [NORMAL] Reproduces the aspect ratio that is sent from
the source.
Squeeze [FULL] Fills the entire screen.
Letterbox [WIDE] Expands a 16:9 letter box signal to fill the entire
screen.
* 3 : Gray areas indicate unused portions of the screen.
[1:1]: Shows the image in a 1 by 1 pixel format.
[ZOOM]
• The zoom function increases the image size, which expands the image beyond the active screen area. The parts of the
image outside the active screen area are not shown.
ZOOM
ZOOM