Nautel VX150, Operation & Maintenance Manual

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VX150 TO VX2 OPERATIONS & MAINTENANCE MANUAL OPERATING THE TRANSMITTER
VERSION 1.0 2022-12-08 PAGE 2.2.111
Use the Front Panel rotary knob to scroll through the desired Pilot settings, then press the Front Panel
rotary knob to enable editing of the parameter. Within any of the editing screens, use the Front Panel
rotary knob to edit or toggle a parameter value, noting the minimum and maximum limitations
indicated at the bottom of the display. When complete, press the Front Panel rotary knob to save the
change. Press the Back button to discard any changes and return to the previous menu.
Note the following Pilot parameters:
• Level: Select an Injection Level between 6 and 12%.
• 1 PPS Sync: Select ON or OFF.
• Pilot 1 PPS Phase: Select a phase angle between 0 and 360 degrees.
• Audio Delay Enable: When enabled, set the desired Audio Delay Time (allowable range is 0 to
20 seconds).
Limiter Settings. When you select the Limiter heading from the Edit Preset screen, you can edit
various limiter parameters (see Figure 2.2.83 on page 2.2.112 and Figure 2.2.84 on page 2.2.112 ).
Use the Front Panel rotary knob to scroll through the desired Limiter settings, then press the Front Panel
rotary knob to enable editing of the parameter. Within any of the editing screens, use the Front Panel
rotary knob to edit or toggle a parameter value, noting the minimum and maximum limitations
indicated at the bottom of the display. When complete, press the Front Panel rotary knob to save the
change. Press the Back button to discard any changes and return to the previous menu.
Use the Front Panel rotary knob to move the cursor to the desired limiter and then press the Front Panel
rotary knob to enter the associated sub-menu for:
• L/R Limiter: See Figure 2.2.83 on page 2.2.112 . Adjust the L/R Limiter Max Gain, Decay Time
and Hold Time as desired.
• Hard Limiter: See Figure 2.2.83 on page 2.2.112 . Adjust the Hard Limiter Level as desired.
NOTE
:
The Hard Limiter does not affect the RDS or Pilot components of an output signal.