NARDA IDA, Operating Manual, Page: 164 / 292

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).