1. Outline

This information explains how to change the DPI scaling level. (HiDPI display)
These settings allow you to scale the size of text or icons to match the size displayed with other monitor resolutions.
Note: This information is provided based on our in-house testing. We do not guarantee the compatibility in respective user environments and conditions may vary depending on the graphics board manufacturer.

2. Applicable Monitors

FlexScan EV3237
ColorEdge CG318-4K
ColorEdge CG248-4K

3. macOS / OS X settings

3.1 macOS Sierra (10.12.5 or later)

(1) Open “Display” tab of "Displays" setting in System Preferences.

(2) Select "Scaled" of Resolution.
Please disable "Mirror Displays" before selecting "Scaled".

(3) Change the scaling level.

Resolution list may be displayed instead of the icons depending on the combination of the Mac and the monitors.

Option
Scaled display size	EV3237 (140ppi)	Scaling level	200%	150% 2	127% 2	114% 2	100%
		Equivalent resolution	1920 x 1080	2560 x 1440	3008 x 1692	3360 x 1890	3840 x 2160
		Note	(equivalent to 70ppi)	Approximate to display size of 24" 1920 x 1200 or 17" 1280 x 1024 monitor (equivalent to 93ppi)	Approximate to display size of iMac 27" or MacBook Pro 15.4" monitor (110ppi)	(equivalent to 122ppi)	OS default (No scaling)
	CG318-4K (149ppi)	Scaling level	200%	160% 2	136% 2	122% 2	100%
		Equivalent resolution	2048 x 1080	2560 x 1350	3008 x 1586	3360 x 1772	4096 x 2160
		Note	(equivalent to 74ppi)	Approximate to display size of 24" 1920 x 1200 or 17" 1280 x 1024 monitor (equivalent to 93ppi)	Approximate to display size of iMac 27" or MacBook Pro 15.4" monitor (109ppi)	(equivalent to 122ppi)	OS default (No scaling)
	CG248-4K (185ppi) 1	Scaling level	255% 2	200%	167% 2	150% 2	127% 2
		Equivalent resolution	1504 x 846	1920 x 1080	2304 x 1296	2560 x 1440	3008 x 1692
		Note	(equivalent to 73ppi)	Approximate to display size of 24" 1920 x 1200 or 17" 1280 x 1024 monitor (equivalent to 93ppi)	Approximate to display size of iMac 27" or MacBook Pro 15.4" monitor (111ppi)	(equivalent to 123ppi)	(equivalent to 146ppi)

¹ You cannot select 100% scaling level with the OS default settings. To set to the 100% scaling level, click "Scaled" pressing the "Option" key and select 3840 x 2160 resolutions.

² When you don't set the expansion ratio to 200% or 100% (no-scaling), screen looks somewhat blurry because of the OS scaling.

3.2 macOS Sierra (10.12 - 10.12.4) / OS X El Capitan (10.11) / OS X Yosemite (10.10)

Option
Scaled display size	EV3237 (140ppi)	Scaling level	255% 2	200%	150% 2	127% 2	100%
		Equivalent resolution	1504 x 846	1920 x 1080	2560 x 1440	3008 x 1692	3840 x 2160
		Note	(equivalent to 55ppi)	(equivalent to 70ppi)	Approximate to display size of 24" 1920 x 1200 or 17" 1280 x 1024 monitor (equivalent to 93ppi)	Approximate to display size of iMac 27" or MacBook Pro 15.4" monitor (110ppi)	(No scaling)
	CG248-4K (185ppi) 1	Scaling level	255% 2	200%	167% 2	150% 2	127% 2
		Equivalent resolution	1504 x 846	1920 x 1080	2304 x 1296	2560 x 1440	3008 x 1692
		Note	equivalent to 73ppi	OS default, approximate to display size of 24" 1920 x 1200 or 17" 1280 x 1024 monitor (equivalent to 93ppi)	Approximate to display size of iMac 27" or MacBook Pro 15.4" monitor (111ppi)	equivalent to 123ppi	equivalent to 146ppi

¹ You cannot select 100% scaling level with the OS default settings. To set to the 100% scaling level, click "Scaled" pressing the "Option" key and select 3840 x 2160 resolutions.

² When you don't set the expansion ratio to 200% or 100% (no-scaling), screen looks somewhat blurry because of the OS scaling.

The resolution options of CG318-4K are as follows when using with the OS X Yosemite (10.10.4) - macOS Sierra (10.12.4)  installed Mac Pro (Late 2013) .

4. Software Compatibility

We confirmed the HiDPI compatibility between OS X Yosemite (10.10) and the following software.

（As of November 2014）