Nautel NX5 AM, Operation & Maintenance Manual

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NX5 OPERATION & MAINTENANCE MANUAL OPERATING THE TRANSMITTER
VERSION 0.1 2015-08-01 PAGE 3.2.161
PDM Settings
You can adjust the transmitter’s PDM settings using the remote AUI (see Adjusting PDM Settings - Using
the Remote AUI ) or the local front panel UI (see Adjusting PDM Settings - Using the Front Panel UI ). If you
change the frequency on the front panel UI, it will also be reflected on the remote AUI, and vice versa.
Adjusting PDM Settings - Using the Remote AUI
The remote AUI’s
PDM Settings
page (see Figure 3.2.147 ) displays the selected PDM settings. The
selection is based on the PDM configuration of the transmitter and is set at the factory during product
testing.
PDM Phase Calibration
may be required after replacing or moving RF power modules. See the
“Replacing a Power Module” section of the
NX5 Troubleshooting Manual
for more information
.
Figure 3.2.147: Factory Settings - PDM Settings Page
Attempting to
Start
the Minimization Routine will display the following WARNING, prompting you to
confirm your selection.
WARNING! Factory settings are established at Nautel and should not require
adjustment. These settings affect critical system protections. Making changes to
these settings may void your warranty. Contact Nautel before making changes.
For future reference, record a parameter value before and after making a change.