Enabling a weighting network does not automatically enable any measurement function. You must enter the
Functions menu and enable the A, C, Z or AU weighted
functions required. Deselecting a weighting network removes the corresponding network from the Functions menu.
The Ultrasound (AU) network is only available when the Ultrasound option is installed.
Weighting network in Idle mode chooses which weigting network that is applied to the levels in idle mode. The
frequency graph is not affected by this. To see an A-weighted frequency graph, please use the
Context menu.
If Ultrasound is off, you can use calculated network. Only one caculated network can be enabled at a time. There
are five predefined networks. They are based on the A, C, Z, B and G network weightings. For these networks you
are only allowed to narrow the frequency range.
If Ultrasound is enabled, you can select between the measured and calculated network for the A network bar.
The calculated A-network has the same response as the measured A-network without utrasound enabled. I.E. it attenuates
more above 20KHz compared to the true A-network with ultrasound enabled. This enables you to compare results
measured width ultrasound with results measured widthout ultrasound.
Tap the Add softbutton to add your tailored network.
To remove one of the user added networks, just open it and tap the Delete softbutton.
For more information about frequency weighting, please see
Frequency weighting specifications