Tektronix 2714 User Manual page 90

Operation Summary
VID FLTR
Normally the Spectrum Analyzer smooths the detected signal with a
video filter having a bandwidth equal to the resolution bandwidth. The
filter bandwidth is indicated in the right-hand readout column. Howev-
er, pressing [VID FLTR] toggles an alternate, automatically selected or
normal video filter readout. You can designate the video filter
bandwidth using the UTIL Menu (see Menu-Entered Control Settings
Fixed Range: 3 Hz to 300 kHz and WIDE in a 1—3 sequence
AUTO
the Spectrum Analyzer into and out of automatic resolution bandwidth
and sweep rate selection modes, respectively. SWEEP [AUTO] also
exits single sweep mode (but preserves the sweep rate selection
mode). The LEDs below the keys are lit when the automatic mode is
selected. When toggling out of the automatic mode, the resolution BW
toggling into the automatic mode, the Spectrum Analyzer selects the
resolution bandwidth and sweep rate appropriate to the currently
selected span.
2714 User Manual 4-11