 | Top Press this submenu key to set the top amplitude value. Bottom Press this submenu key to set the bottom amplitude value. Autoscale Press this submenu key to adjust the Top and Bottom amplitude values so that the trace is shown in the middle of the display. Fullscale Press this submenu key to automatically set the scale to the default setting (0 dB to 60 dB for Return Loss and 1 dB to 65 dB for VSWR). |