Users Guide

Dell PowerConnect W-AirWave 7.4 | User Guide Using VisualRF | 269
Figure 199 Surveys and Training menu for a client device
To remove a statically trained device, select client, and select the Surveys and Training option. Select Delete
button (which will have replaced the Add button) for Static Training.
Adding Client Surveys
Client surveys provide a method for increasing the accuracy of the attenuation grid by taking real signal samplings
from client devices associated with the WLAN.
Key differentiators of AMP’s client surveys are:
1. They take readings from the access points and not the client
2. They take numerous samples.
This produces a more accurate representation because signals obtained from the client's card (the signal level at
which a client hears the AP) can vary from vendor to vendor.
The signal levels at which APs can hear a client are already normalized. Using multiple samples alleviates spikes or
troughs that come from using a single sample.
To start a client survey, follow these steps:
1. Drag the client to the proper location.
2. Select the client to see the Properties pop-up menu, as shown in Figure 200:
Figure 200 Client Surveys
3. Select the Surveys and Training option.
4. Select the appropriate transmit power for the wireless client. Leave the default to 30mW if you are unsure.
5. Select the Duration or the time that you want to sample the client's signal measurements. Longer durations
will increase Path Loss accuracy and location accuracy.
6. Select OK to begin the survey.
NOTE: The static locations are automatically saved, so the Save icon (floppy disk) will not appear.