Nautel NX3, Installation Manual

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NX5/NX3 INSTALLATION MANUAL COMMISSIONING TASKS
PAGE 2.8.6 VERSION 3.1 2021-04-22
5. Set the active preset’s power output to 500 W as follows:
 Go to the front panel UI’s Main Menu -> Edit Presets menu. Scroll to the “Analog AM 0W”
preset and press accept (checkmark).
 Select the Output Power sub-menu and increase the output power to 500 W. Save the change
by pressing the accept (checkmark) button. The preset is now called “Analog AM 500W*”.
 Go back to the front panel UI’s Main Menu -> Select Preset menu. Scroll to the “Analog AM
500W*” preset and press accept (checkmark) to activate the preset.
6. Verify the AM Source is set to Unused using the front panel UI’s Main Menu -> Edit Presets ->
Audio Options -> AM Source menu.
7. Press the front panel’s RF On button . Its integral status LED will turn amber.
8. Check the output of the +48 V power supply using the front panel UI’s Main Menu -> View
Status -> View Meters -> Rack menu.
9. If you wish to remotely control the transmitter via a network or directly through a laptop, use the
front panel UI to configure your network parameters. See
“Network Setup” on page 2.8.10 for
detailed information.
NOTE
: If you are not using a network, see “Network Setup” on page 2.8.10 , set DHCP to DISABLE
and manually set the IP address to 0.0.0.0. This disables the “Host Network Down” alarm.
10. Check for alarms using the front panel UI’s Main Menu -> View Status -> View Alarms screen.
11. Increase the power to the desired setpoint (use the method in Step 5 ) while monitoring the PA
voltage. Ensure the PA voltage remains within ±10% of the following calculated value:
12. Check the reflected power level. It should be near 0 W.
13. Check for alarms using the
View Alarms
screen.
14. Set up your desired presets using the
Main Menu
->
Edit Presets
menu, noting you can create up
to 62 presets. See the “Operating the Transmitter” section of the NX5/NX3 Operations &
Maintenance Manual for detailed information.