Nautel GV5, Operation & Maintenance Manual, Page: 144 / 251

GV5/GV3.5 OPERATIONS & MAINTENANCE MANUAL OPERATING THE TRANSMITTER
VERSION 0.2 2014-07-23 PAGE 3.2.127
Calibration
NOTE
: Most of the Calibration settings are only available using the controller UI. Calibration of audio
related parameters (see Figure 3.2.112 ) can also be performed using the AUI (see Audio Input
Calibration, on page 3.2.112 ).
From the controller’s UI, you can calibrate various parameters. To view the Calibration menu (see
Figure 3.2.112 ), select
System Settings -> Factory Settings -> Calibration
from the
Main Menu
.
Figure 3.2.112: Calibration Menu
Running the Xmtr PA Bias Routine.
You must run the transmitter’s PA bias routine immediately
after one of the following events:
 installation of a new RF power module
 swapping of existing RF power modules
 installation of a new controller module
NOTE
: Make sure that the RF stage is disabled (RF Off) and the interlock circuit is closed before running
the PA bias routine. If not, a message will appear on the display prompting you to do so.
Use the up or down arrow to place the cursor next to
Xmtr PA Bias
, then press the accept (checkmark)
button to enter the sub-menu. Within the sub-menu, press the accept (checkmark) button to start the
routine. A line will display to indicate the percentage of completion. When it is complete, the display
will again read “Press

to begin”. Press X to return to the previous menu.
Run this routine after replacing an RF power
module, swapping RF power module
positions, or replacing the controller
Audio input
calibration options