Setting The Lmax Value; Setting The Lrange Value - L3Harris Narda SignalShark User Manual

the values in 5 dB steps. The buttons are only enabled if the change is possible in the
selected direction. The Y scale is fixed as soon as you make a change using the +5 dB / -
5 dB buttons so that changes in level are easier to see.
As well as controlling overload, the +5 dB / -5 dB offset can also be used to distinguish an
actual measurement signal from an intrinsic spurious signal (Spurious). Regardless of the
reference level setting, the measurement signal will display the same level value until
compression occurs from overloading. In contrast, the displayed value of an intrinsic
spurious signal will change each time the reference level is changed (RL +5 dB: displayed
value increases by +5 dB as well).

Setting the Lmax value

Here you can do the following:
• Set the maximum power level of the graph
• Set the Ref.L. -> Lmax function On or Off
• Set the Couple Views function On or Off
• Select Default Range or Auto Range
• Select the Unit
To set the maximum power level:
1. Tap the Lmax button.
2. Enter the required value and tap the unit button.
The setting is accepted immediately and the input window is closed.
3. Press the Esc key to close the menu.
To select the Unit:
1. Tap the Unit button.
The Unit dropdown menu opens.
2. Select one of the units (dBm, dBV, dBmV, dBuV) and close the menu by tapping the x
button.

Setting the Lrange value

Here you can do the following:
• Set the range of the y-axis
• Set the Couple Views function On or Off
• Select Default Range or Auto Range
• Select the Unit
To set the y-axis range:
1. Tap the Lrange button.
2. Enter the required value and tap the unit button.
The setting is accepted immediately and the input window is closed.
To select the unit:
1. Tap the Unit button.
The Unit dropdown menu opens.
Spectrogram View
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