User's Manual

Test Set Calibration – continued
FEB 2005 1X SC 4812T Lite BTS Optimization/ATP 3-111
PRELIMINARY
Setting TX Coupler Loss Value
If an in–service TX Coupler is installed, the Coupler Loss must be
manually entered so it will be included in the LMF TX Calibration and
Audit Calculations.
Prerequisites
S LMF is logged into the BTS.
S Path Loss, in dB, of the TX Coupler must be known.
Table 3-36: Setting TX Coupler Loss Values Procedure
n Step Action
1 Click Util in the BTS Menu Bar, and select Edit > Coupler Loss... in the Pull–down Menus.
–A Tabbed Data Entry Pop–up Window will appear.
2 Click on the TX Coupler Loss Tab or the RX Coupler Loss Tab, as required.
3 Click in the Loss (dBm) Column for each carrier that has a coupler and enter the appropriate
value.
4 Perform the following actions to edit existing values.
4a Click in the Data Box to be changed.
4b Change the value.
5 For each tab that needs to be changed, click on the Save Button to save displayed values.
6 Click on the Dismiss Button to close the window.
* IMPORTANT
S Values entered or changed after the Save Button is used will be lost when the window is
dismissed.
S The In–Service Calibration Check Box in the Tools > Options > BTS Options Tab must be
checked before entered TX Coupler Loss Values will be used by the TX Calibration and Audit
Functions.
S New or changed values will be used by the LMF as soon as they are saved.
S Logging out and logging in again are not required to cause saved changes to take effect.
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