2. Press the Start Freq submenu key and use the keypad, rotary knob, or the arrow buttons to enter the start frequency.
3. Press the Stop Freq submenu key and use the keypad, rotary knob, or the arrow buttons to enter the stop frequency.
Setting the Scale
1. Press the Scale main menu key.
2. For Smith Charts, select the appropriate zoom level. The graph expands or compresses around the central reference impedance of the Smith Chart
3. For rectangular graphs, such as Log Mag or phase, press the Resolution per Div submenu key to change the scale between vertical divisions of the graph.
a. Press the Reference Value submenu key to change the value indicated by the arrow‑shaped Reference Line indicator.
b. Press the Reference Line submenu key to change the location of the arrow‑shaped reference line indicator. A value of 0 (zero) sets the reference line indicator to the bottom of the graph.