ATEN CS1922M - Advanced Hotkey Configuration; Keyboard Language, Firmware Upgrade, Default Settings

Chapter 3. Basic Operation
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Maximum Resolution / Monitors
Display Resolution with Standard 60 Frames
per Second Refresh Rate
Maximum Number of Monitors
Based on DisplayPort 1.2
Bandwidth
1680 x 1050 (WSXGA) 5
1920 x 1080 (1080p), or 1920 x 1200 4
2560 x 1600 (WQXGA) 2
3840 x 2160 (4K UHD), or
4096 x 2160 (4K DCI)
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