2.1.2 Front Panel Function Keys FREQ: Set the center, start and stop frequency; enable the signal tracking function. SPAN: Set the frequency span of the sweep. AMPT: Set the reference level, RF attenuator, scale and the unit of Y-axis, etc. Set the reference level offset, maximum mixing level and input impedence. Execute auto scale and auto range as well as turn on the RF preamplifier. BW: Set the resolution bandwidth (RBW) and video bandwidth (VBW). Select average type. SWEEP: Set the sweep and trigger parameters. TRACE ： Set the parameters related to trace and filter types. MEAS:
Select and control the measurement function MODE ： Select mode FILE ： Save files MARKER ： Read the amplitude, frequency and sweep time of a certain point on the trace. UTILITY ： Auxiliary function PEAK ： Open the peak search menu and search for peaks immediately. MARKER ： Set other system parameters on the basis of the current marker value. COUNT: Frequency counter function PRESET: Restore the system to factory settings or user-defined state. AUTO: Search for signals automatically within full frequency range. 2.1.3 Numeric Keyboard HSA2000 Series provides a numeric keyboard at the front panel (as shown in the figure below).
The numeric keyboard which supports the Chinese characters, numbers and common symbols (including decimal point, and -) are mainly used to edit file or folder name.