User's Manual

RFDS Set–up and Calibration – continued
3-138 1X SC 4812T Lite BTS Optimization/ATP FEB 2005
PRELIMINARY
Prerequisites
S Test Equipment has been selected.
S Test Equipment and Test Cables have been calibrated.
S TX Calibration has been performed and BLO Data has been
downloaded to the BBX Cards.
S Test Equipment and Test Cables are connected for TX Calibration.
S Antenna Map Data has been entered for the site.
S BBX Cards are OOS–RAM.
RFDS Calibration Procedure
Perform the procedure in Table 3-51 to perform RFDS Calibration.
Table 3-51: RFDS Calibration Procedure
n Step Action
1 In the LMF, select the CDMA BTS–xxx Tab.
2 If the BTS Control Button is not selected (no black dot showing), click on the B Button in the BTS
Menu Bar to select it.
3 Select the BBX(s) assigned to the carrier(s) and sector(s) that will be used in RFDS Calibration.
– Refer to Table 1-5 for BBX Carrier and Sector Assignments).
4 Click on RFDS in the BTS Menu Bar, and select RFDS Calibration... from the Pull–down
Menu.
– An RFDS Calibration Set–up window will be displayed.
5 In the Tests to Perform Box, select TX Calibration or RX Calibration, as required
6 Enter the appropriate Channel Number(s) in the Channel Field Box.
– Refer to Table 3-50.
S To enter more than one Channel Number, use the following methods, as needed.
– Separate non–sequential Channel Numbers with a comma and no spaces;
for example: 247,585,742.
– Enter a range of sequential Channel Numbers by typing the first and last Channel Numbers in
the range separated by a dash and no spaces;
for example: 385–395.
7 If the frame is equipped with TX Combiners, click in the Has Combiners Check Box.
8 Select the appropriate carrier(s) and sector(s) from the Carriers Pick List.
NOTE
Hold down the Shift or Ctrl Key while clicking on Pick List Items to select multiple
carrier(s)–sector(s).
9 If performing RX Calibration,.select the appropriate RX Branch (Both, Main, or Diversity) in the
Pull–down Menu.
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