User manual

C-COM Satellite Systems Inc. Page 50 of 128

iNetVu™ 7000 Controller User Manual

Revision 1.19

6.6.3.6. PL

The PL menu allows for the configuration of the polarization axis. Options include the

setting of the pot zero, and the pot factor, as well as the skew adjustment and stow limit

functionality, the polarization offset, slow speed, and current limits for fast and slow

speeds.

1 – PL Pot Zero

PL Pot Zero is an A/D value from the potentiometer that physically determines where the iNetVu™

Mobile Software places Polarization Angle 0°. The PL Pot Zero may vary approximately +15% from

the Default values (see appendix 3). The PL Pot Zero is calculated during the Polarization

Calibration process. The user may edit these values through this window, however any changes

may result in failure to recognize the correct 0° angle. This parameter has a configurable range of

(50-400)

2 – PL Pot Factor

PL Pot Factor is an A/D value from the potentiometer which allows the iNetVu™ Mobile Software to

convert the A/D value of the Potentiometer into an equivalent angle. The PL Pot Factor should vary

approximately +15% from the Default values (see appendix 3). The PL Pot Factor is calculated

during the Polarization Calibration process. The user may edit these values through this window,

however any changes may result in failure to recognize the angle value. This parameter has a

configurable range of (0.1437-0.5863)

3 – Skew Adjustment and Stow Limit Function

Allows the enabling and disabling of the skew adjustment and polarization stow limit respectively..

The first character (EE) represents the skew adjustment. The second character (EE) represents

the Polarization ST limit. The user my change the limit configuration between:

EE – Enable Skew Adjustment, Enable Polarization Stow limit

DE – Disable Skew Adjustment, Enable Polarization Stow limit

ED – Enable Skew Adjustment, Disable Polarization Stow limit

DD – Disable Skew Adjustment, Disable Polarization Stow limit

For an iNetVu

1200/1800 Mobile Platforms, the Polarization Stow Limit is constantly ON. The

Skew Adjustment will rotate the antenna on the polarization axis in both directions to locate the 3dB

drop in Signal Strength, and then re-center itself using the best possible Polarization Angle.

Z: 346.9 F: 0.6604 DE

O: +0 S: 7 I: 1.5-1.2

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