Hughes dishNET HT 1000, Руководство по установке

Страница: 30 / 90

Chapter 3 • Installing the satellite modem
30
1039110-0001 Revision A
Entering installation parameters
1. On the Input Params screen enter the Latitude and Longitude from your GPS as
shown in Figure 16.
Figure 16: Latitude and longitude parameters
2. Enter the site latitude and longitude values from your Global Positioning System
(GPS) receiver, in degrees and minutes to three decimal places.
•
The modem's installation software uses the site’s latitude and longitude to
determine the uplink and downlink cells to assign to the modem and the uplink
polarization setting on the radio’s assembly left-handed circular polarization
(LHCP) or right-handed circular polarization (RHCP).
•
You must enter the latitude and longitude in the format shown below:
Latitude: DD MM.MMM
Longitude: DDD MM.MMM
•
Enter degrees in whole numbers only, with no decimals. Degrees latitude is 1 or
2 digits (0- 90° north or south). Degrees longitude is 1 - 3 digits (0 - 180° east or
west). Examples of degrees correctly entered:
5, 05, 42 or 112
•
Enter minutes as a whole number plus a decimal fraction to three places
(thousandths) with no seconds. Examples of minutes correctly entered:
7.223 and 34.775
•
If you type a number with a leading zero, the zero is not displayed after you press
Submit. For example, if you type 06 it is displayed as 6.
•
Some GPS receivers are suitable for Ka-band installations; some are not. For a
complete discussion on various GPS receivers, see FSB,
Introduction to
Commercial GPS Units for Ka Installers (FSB_080404_01).
3. Accept the defaults for the Satellite: and Advanced: fields as shown in Figure 16
unless directed to do otherwise.
4. Click Submit.
After you enter the installation parameters on the Installation Params screen and
click
Submit , the satellite modem enters pointing mode.