IGEL OS 11.09 IGEL OS Reference Manual Sessions ThinLinc Global Current: VNC Optimization PDF Download PDF Download page VNC Optimization. Current page All pages VNC Optimization Menu path: Setup > Sessions > ThinLinc > ThinLinc Global > VNC OptimizationYou can change VNC protocol settings in order to optimize transmission.VNC autoselect ☑ The preferred coding and color depth will be specified automatically. (Default) ☐ The Preferred coding and Color depth can be specified by the user.Preferred encoding: Specifies how the data to be transmitted are to be coded. The coding is negotiated between the client and server.Possible values:"Tight": Suitable for slow networks too."ZRLE": Compatible with RealVNC."Hextile": Recommended for fast networks."Raw": No compression.Color depth: Allows you to select the color resolution.Possible values:"Full (all colors)": The maximum value set on the server is used."Medium (256 colors)""Low (64 colors)""Very low (8 colors)" ×