VS300 Operations and Maintenance Manual Operating the transmitterIssue 8.0 2016-03-01 Page 2-99System SettingsThis section includes the following topics:• Rebooting the AUI or Exciter - see page 2-101• Upgrading Software - see page 2-102• Calibrating Audio Inputs - see page 2-103– Calibrating Audio - Using the AUI - see page 2-103– Calibrating Audio Inputs - see page 2-122• IBOC settings - VSHD only - see page 2-104• Spectrum/Efficiency Optimizer - see page 2-105– Spectrum/Efficiency Optimizing - Using the AUI - see page 2-105– HD Optimizing - Using the front panel UI - see page 2-106• Calibrating Exciter TCXO - see page 2-108– Calibrating Exciter TCXO - Using the AUI - see page 2-108– Calibrating Exciter TCXO - Using the front panel UI - see page 2-109• FM Polarity - see page 2-110– Setting FM Polarity - Using the AUI - see page 2-110– Setting FM Polarity - Using the front panel UI - see page 2-111From the remote AUI’s System Settings page via the Main Menu options (see Figure 2.82), you canreboot the remote AUI or the exciter, perform software upgrades to the transmitter, calibrate theexciter’s TCXO and audio inputs, establish IBOC settings (if applicable) and set FM polarity.Note:The front panel UI also has a System Settings menu, which contains similar functions to the AUI(e.g., calbrating the exciter’s TCXO and calibrating audio inputs), and additional settings thatare described in System Settings - Front Panel UI - see page 2-112. Unless otherwise noted, thefollowing functions are only available via a LAN connection to the remote AUI.