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Q.

Monitor shows incorrect color and non-smooth tone when connecting Mac via HDMI cable.

 

A.

When connecting Mac via HDMI cable, the monitor may show incorrect color and non-smooth tone.
 
In details, phenomena occurs such as:
 - High tone/low tone cannot be displayed correctly
 - Middle tones are skipped.
When these occur, we recommend using alternative ways than HDMI connection.
 
- Cause
Mac does not output full range, RGB signal but limited range, YUV signal from the HDMI port. 
This is an intended behavior of Mac. 
 
- Measures
1. Use alternative connection than HDMI.
 
    When Mac has following output connectors, please use these connectors.
   - Thunderbolt 3 (USB Type-C)
   - Thunderbolt 2 (Mini DisplayPort)
   - DVI
 
2. Change the monitor settings (ColorEdge monitor only)
 
    You can avoid this HDMI issue with the following "Signal Format" setting.
 
     For CG277 / CG247 / CG247X / CX271 / CX241 / CS270 / CS240
      Optional Settings -> Signal Selection -> Signal Format -> HDMI
      Change the setting from "Video" to "PC"
 
     For CG2730 / CG2420 / CS2740 / CS2731 / CS2730 / CS2420 / CS2410
      Administrator Settings -> Signal Format -> HDMI
      Change the setting from "Video" or "4K 60Hz / YUV" to "RGB" or "4K 60Hz"
 
    Please refer to the user's manual for detailed procedure.

 

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▼ Model:FS2332 Latest updates

No. Question Category Date
1 FlexScan
ColorEdge
FORIS
April 6, 2020
2 FlexScan
ColorEdge
FORIS
March 10, 2016
3 FlexScan
ColorEdge
FORIS
January 20, 2015
4 FlexScan
FORIS
December 26, 2014
5 FlexScan
ColorEdge
FORIS
July 31, 2020
6 FORIS
7 FORIS
8 FlexScan
ColorEdge
FORIS
9 FlexScan
ColorEdge
FORIS
10 FlexScan
ColorEdge
FORIS
11 FlexScan
ColorEdge
FORIS
12 FlexScan
ColorEdge
FORIS
13 FlexScan
ColorEdge
FORIS
14 FlexScan
ColorEdge
FORIS
15 FlexScan
ColorEdge
FORIS
16 FlexScan
ColorEdge
FORIS
17 FlexScan
ColorEdge
FORIS
18 FlexScan
ColorEdge
FORIS
19 FlexScan
ColorEdge
FORIS
20 FlexScan
ColorEdge
FORIS