User Manual

Bay Level Offset Calibration – continued

Jan 2002

3-91

SC4812ET BTS Optimization/ATP — CDMA LMF

Exception Handling

In the event of a failure, the calibration procedure displays a FAIL

message in the status report window and provides information in the

Description field.

Recheck the test setup and connection and re–run the test. If the tests fail

again, note specifics about the failure, and refer to Chapter 6,

Troubleshooting.

Download BLO Procedure

After a successful TX path calibration, download the BLO calibration

file data to the BBXs. BLO data is extracted from the CAL file for the

BTS and downloaded to the selected BBX devices.

If a successful All Cal/Audit was completed, this

procedure does not need to be performed, as BLO is

downloaded as part of the All Cal/Audit.

NOTE

Prerequisites

Ensure the following prerequisites have been met before proceeding.

 BBXs being downloaded are OOS–RAM (yellow).

 TX calibration is successfully completed.

Follow the steps in Table 3-42 to download the BLO data to the BBXs.

Table 3-42: Download BLO

Step Action

1 Select the BBX(s) to be downloaded.

2 From the Device menu, select Download>BLO.

A status report window displays the result of the download.

NOTE

Selected device(s) do not change color when BLO is downloaded.

3 Click OK to close the status report window.