Asus Eye Care VL249HE 23.8" 16:9 Adaptive-Sync/FreeSync IPS Monitor - Manual (Page 29)

3-14 Chapter 3: General Instruction
SD/HD Timings (HDMI input only)
HDMI 1.3,CEA-861B Formats, SD/HD Supported Primary Timings of (HDMI input only)
Resolution Refresh Rate Horizontal Frequency
640x480P 59.94 / 60Hz 31.469 / 31.5kHz
720x480P 59.94 / 60Hz 31.469 / 31.5kHz
720x576P 50Hz 31.25 kHz
1280x720P 50Hz 37.5kHz
1280x720P 59.94 / 60Hz 44.955 /45kHz
1920x1080i 50Hz 28.125 kHz
1920x1080i 59.94 / 60Hz 33.716 / 33.75kHz
HDMI 1.3,CEA-861B Formats, SD/HD Supported Optional Timings of (HDMI input only)
Resolution Refresh Rate Horizontal Frequency
1440x480P 59.94 / 60Hz 31.469 / 31.5kHz
1440x576P 50Hz 31.25 kHz
1920x1080P 50Hz 56.25 kHz
1920x1080P 59.94 / 60Hz 67.433 / 67.5kHz
* The modes not listed in the above tables may not be supported. For optimal resolution, we
recommend that you choose a mode listed in the above tables.