StarTech.com SV3253DXI, SV1653DXI Using the Advanced Video Tuning Feature, Instruction Manual

Instruction Manual

much data as your network connection and VNC client allow.

•Network latency, which is the total time it takes for a packet to get to the SVxx53DXI and come back, has the biggest impact on perceived performance and usability. Network bandwidth has a lesser effect, particularly when just moving the mouse around.

•Only a few bytes need to be sent when the mouse is moving (and nothing else is changing on the screen), but the round-trip-time limits the hand-eye coordination of the user if it is too great.

•Both actual bandwidth and measured network latency are shown in the Main Menu.

Using the Advanced Video Tuning Feature

The Advanced Video Tuning menu allows you to adjust the qualities of the video in your VNC sessions, and can be accessed by clicking the Advanced button on the Video Tuning VNC menu. While many users will probably allow the SVxx53DXI to automatically configure the video properties, you can use this menu to exercise a great deal of control over the settings if you wish.

The Presets section contains up to sixteen different settings, plus the factory setting. If a number is highlighted, then that preset has been programmed with valid settings and may be used. Note that the Factory preset is always available. Simply click on the appropriate button and the default settings will be restored. To save settings to a preset, click on the Save->Presetbutton in the Actions pane. The preset buttons will highlight. Click the desired preset button to save the values. Note that any previous settings assigned to that button will be lost. If you do not wish to save the presets after clicking the Save->Presetbutton, click the Save->Presetbut- ton a second time and the save function will be cancelled.

The section of the screen marked Current Values indicates the various video parameters that can be adjusted. For each parameter, there are a series of buttons: [, <<, -, Auto, +, >, ]. The [, and ] buttons set the param- eter to its smallest or largest values, respectively. The << and >> buttons decrease or increase the parameter by a large amount. In the case of phase, this is four units and for all others, ten units. The - and + buttons decrease or increase the parameter by one unit. The middle button sets

44