NV30/NV40 Operations and Maintenance Manual Non-standard maintenance
Issue 3.3 2014-12-10 Page 4-1
Section 4: Non-standard maintenance
This section provides instructions for performing non-standard maintenance on the NV30/NV40
transmitter. This section includes the following topics:
• Upgrading software
• Improving transmitter performance for IBOC presets - see page 4-4
• Changing the RF output connector - see page 4-6
• Bypassing the UPS interface option - see page 4-10
Upgrading software
Periodically, enhancements or improvements to the operating system are identified and made
available. Perform a software upgrade, as required, as follows:
Parts and tools
• Laptop (i.e., local computer for direct connection) or network computer with Windows and
Internet Explorer Web browser
• CAT5 Ethernet cable
• Upgrade software (*.tgz or *.img file), provided via email, web download or flash card
Preliminary checks
1. Determine the current software revision installed. Via the advanced user interface (AUI)
screen, go to Menu/System Settings/Upgrade Software. Select the *.tgz file from the
Select a Boot Image list (should highlight in blue) and press About. Note the current
software revision for AUI, Server, Controller, Exciter and RF Modules.
2. Contact Nautel for the most recent software revision and receive a new compact flash card
(which contains upgrade *.tgz file) or download *.tgz file to a laptop or network location.
3. If you received a new compact flash card, continue to “Compact flash card swap” on page 4-
2. If not, proceed to “Transferring upgrade file” on page 4-2.
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