Vertical Controls 3Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide 65To adjust the vertical scale1 Turn the large knob above the channel key marked to set the verticalscale (volts/division) for the channel.The vertical scale knob changes the analog channel scale in a 1-2-5 stepsequence (with a 1:1 probe attached) unless fine adjustment is enabled (see “Tochange the vertical scale knob's coarse/fine adjustment setting" on page 66).The analog channel Volts/Div value is displayed in the status line.The default mode for expanding the signal when you turn the volts/division knobis vertical expansion about the ground level of the channel; however, you canchange this to expand about the center of the display. See “To choose "expandabout" center or ground" on page 253.To adjust the vertical position1 Turn the small vertical position knob ( ) to move the channel's waveform up ordown on the display.The voltage value momentarily displayed in the upper right portion of the displayrepresents the voltage difference between the vertical center of the display andthe ground level ( ) icon. It also represents the voltage at the vertical center ofthe display if vertical expansion is set to expand about ground (see “To choose"expand about" center or ground" on page 253).To specify channel couplingCoupling changes the channel's input coupling to either AC (alternating current)or DC (direct current).
