![Orbit OCEANTRX4-500 Скачать руководство пользователя страница 154](http://html1.mh-extra.com/html/orbit/oceantrx4-500/oceantrx4-500_installation-and-operation-manual_1648014154.webp)
Calibrating and Activating Noise Floor Correction
Monitoring and Analysis Tools
9-14
Ocean TRx™ 4500 Installation and Operations Manual
Select
Replace
to overwrite the data currently displayed.
Select
Add
to add the saved data to the data currently displayed.
To save the current Logger settings:
1. Open the
File
menu and select
Save Setup
(or press the
<V>
key from the
Logger
screen).
2. Save the current configuration to the desired folder.
To load saved Logger settings:
1. Open the
File
menu and select
Restore Setup
(or press the
<E>
key from the
Logger
screen).
2. Retrieve the settings file. The
Logger
is automatically configured according to the
saved settings.
9.3
Calibrating and Activating Noise Floor Correction
9.3.1
Calibrating the Noise Floor
Noise floor calibration eliminates the effect of atmospheric noise on the program’s
Spectrum Analyzer
measurements.
To calibrate the noise floor:
1. Point the
ANTENNA
away from any radiation source. This can be done by activating
Stow Mode unless the ship is on the equator.
2. From the
Operation Screen
, select
Spectrum
on the Menu Bar. The
Spectrum
Analyzer
Screen
appears.
Figure
9-17: Spectrum Analyzer Screen