7 Direction Finding Mode
156 IDA-3106 Narda
3. Press the Edit Sketch softkey, select the desired parameter using the
rotary control knob, and open the parameter by pressing OK:
– Measure the room width (distance B - A) and room length
(distance D - A) and enter these values.
– Select Azimuth to enter the room orientation, press OK to open the
parameter, align the antenna in the direction A D, and press OK
again (or press the button on the antenna handle).
4. When you have entered all the values, press ESC to exit from the menu.
A message asks you if you want to save the entries as a setup.
This completes the referencing of the room.
Localizing the signal source
The room has been referenced.
Indoor mode is activated (Loc. Mode softkey displays Indoor).
The measurement parameters have been selected appropriately.
1. If you still have the Map menu open, press Esc to exit from the Map
menu.
2. Press the Localization softkey until On appears.
Localization starts and the softkey is shown in red.
3. Take the bearing from the first reference point and press SAVE. If you
press the button on the antenna handle, you can freeze the bearing
direction first and then save it.
A window opens for you to select a reference point.
4. Use the rotary control knob to select the reference point that you used
and press OK to save the measurement.
You can work through the reference points in any order.
5. Take the bearings from the other reference points in the same way and
save the results. You can also save more than one bearing taken from
the same reference point in the localization.
The bearings taken so far in an open localization can be displayed during
the measurement:
• Press the Map softkey: The bearings taken so far are displayed
• The Average Position softkey shows the signal location calculated on
the basis of the bearings taken so far
6. When you have taken bearings from all the reference points, press the
Localization softkey to close the localization.
7. A closed localization is not shown in the Map menu any more and must
be recalled from the memory when required (see Loading saved
localizations and adding bearings on page 145).
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