User Manual

Test Set Calibration – continued

SC4812ET BTS Optimization/ATP — CDMA LMF

Jan 2002

3-82

Setting Coupler Loss Value

If an in–service coupler is installed the coupler loss (e.g., 30 dB) must be

manually entered so it will be included in the LMF TX calibration and

audit calculations and the RX FER test.

Prerequisites

 Logged into the BTS

Table 3-37: Setting Coupler Loss Values

Step Action

1 Click on the Util menu.

2 Select Edit >Coupler Loss>TX or RX. A data entry pop–up window will appear.

3 Click in the Loss (dBm) column for each carrier that has a coupler and enter the appropriate value.

4 To edit existing values click in the data box to be changed and change the value.

5 Click on the Save button to save displayed values.

6 Click on the Dismiss button to exit the window. Values that were entered/changed after the Save

button was used will not be saved.

NOTE

 The In–Service Calibration check box in the Tools>Options>BTS Options tab must checked

before entered coupler loss values will be used by the TX calibration and audit functions or RX Fer

test.

 Entered values will be used by the LMF as soon as they are saved. You do not have to logout and