GSP-830 User Manual 98 Select VBW (Video BandWidth) Background VBW (Video Bandwidth) defines the smoothness of the trace on the display. Combined with RBW, VBW defines the ability to sort out target signal from surrounding noise or adjacent peaks. See page99 for suitable VBW selection. Panel operation 1. Press the BW key. BW 2. Press F2 (VBW) to select Auto or Manual. VBWAuto ManF 2 3. When Man (manual) is selected, use the Arrow keys or Scroll knob to select the VBW. The selected VBW appears in the command window. VBW: 1kHz Mode Auto VBW is automatically selected. See page99 for setting. Manual VBW is manually selected. The VBW icon appears at the bottom of the display. Range 10Hz to 1MHz in 1-3 steps In Auto mode, VBW is automatically selected in combination with RBW. See page99 for the settings. Use the Auto mode settings for reference when manually selecting the VBW. Note The GSP-830 automatically changes the VBW according to RBW selection.