Nautel NX25, Operation And Maintenance Manual

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NX300 Operations and Maintenance Manual Operating the transmitter
Page 2-56 Issue 3.0 2012-11-01
Preset examples - IBOC preset with analog backup
1. Set two presets similar to the two previous examples.
2. Under
Audio Loss
, set Mod Loss Timeout to Yes . Several other selectable fields will appear.
3. In the Action field, select Change Preset from the drop-down list. The Mod Loss Preset field
will appear.
4. In the Mod Loss Preset field, select the desired preset from the drop-down list. This is the
preset that will activate upon a modulation loss.
5. Set the remaining mod loss timeout fields. See "Audio Loss", on page 2-53 .
6. Save the preset with the desired name (new or existing). See "Editing or Creating Presets",
on page 2-49 .
Preset examples - DRM preset
1. Enter Output Power field with desired power level.
2. Set Overall Mode to DRM .
3. Under
Digital Settings
, set Data Source as required ( AES 1 or AES 2 ).
4. Under
Digital Settings
, set DRM Bandwidth as required.
5. Under
Digital Settings
, set the AES Input Level for the selected data source to the
appropriate level for the DRM modulator.