Spectrum Analyzer Measurement Guide : AM/FM/PM Analyzer (Option 509) : RF Span Menu
 
RF Span Menu
Key Sequence: Freq > Span
RF Span Menu
Span
Press to set the RF Span. If you use the numeric keypad to enter a value, then the submenu keys change to Units of GHz, MHz, kHz, or Hz. Pressing the Enter key is the same as pressing the MHz submenu key. You may also use the rotary knob or the arrow keys, then press the Enter key.
Span Up
Press to increase the Span. If starting at 10 kHz, the span increases to 20 kHz, 50 kHz, 100 kHz, 200 kHz, 500 kHz, 1 MHz, 2 MHz, 5 MHz and 10 MHz. Each press of this submenu key increases the span to one of these listed values.
Span Down
Press to decrease the Span. If starting at 5 MHz, then span decreases to 2 MHz, 1 MHz, 500 kHz, 200 kHz, 100 kHz, 50 kHz, 20 kHz, and 10 kHz. Each press of this submenu key decreases the span to one of these listed values.
Max Span
Press to set the span to 10 MHz, the maximum value.
Min Span
Press to set the span to 10 kHz, the minimum value.
Last Span
Press to set the span to the previously set span value.
Back
Press to return to the RF Freq menu.