3-3 Spectrum Analyzer Quick Start Guide
3-4 PN: 10580-00251 Rev. T MS2712E/13E User Guide
Reference Level Offset for External Loss or External Gain
To obtain accurate measurements, compensate for any external attenuation or gain by using
the RL Offset submenu. The compensation factor is in dB. External attenuation can be
created by using an external cable or an external high power attenuator, external gain is
typically from an amplifier.
To adjust the reference level for either gain or loss, press the RL Offset submenu key and
enter a positive dB value and then press the appropriate submenu key (dB External Gain or
dB External Loss). The new RL Offset value will be displayed on the instrument and reference
level is adjusted.
Set the Span
1. Press the Span main menu key or the Freq main menu key followed by the
Span submenu key.
2. To select full span, press the Full Span submenu key. Selecting full span overrides any
previously set Start and Stop frequencies.
3. For a single frequency measurement, press the Zero Span submenu key.
Single Limit Line
Press the Limit menu key to display the Limit menu.
1. Press the Limit (Upper / Lower) submenu key to select the desired limit line,
Upper or Lower.
2. Activate the selected limit line by pressing the On Off submenu key so that On is
underlined.
3. Press the Limit Move submenu key to display the Limit Move menu. Press the first
Move Limit submenu key and use the arrows keys, rotary knob, or keypad to change the
dBm level of the limit line.
4. Press the Back submenu key to return to the Limit menu.
5. If necessary, press the Set Default Limit submenu key to redraw the limit line in view.
Note
To quickly move the span value up or down, press the Span Up 1-2-5 or Span
Down 1-2-5 submenu keys These keys facilitate a zoom-in, zoom-out feature in a
1-2-5 sequence.
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