User's Manual

In–Service Calibration
68P09258A31–A
Oct 2003
1X SCt 4812T BTS Optimization/ATP
H-18
Table H-5: In–Service Calibration
Step Action
! CAUTION
Perform the In–service Calibration procedure on OOS devices only.
8 Select the desired test:
– Select the target BBX(s) on the C–CCP cage picture.
– Click Tests>[desired test] from the menu bar at the main window.
– Select the target carrier and confirm the channel number in the pop up window.
– Leave the Verify BLO check box checked.
– From the Test Pattern pick list, select a test pattern.
– Click the OK button to start calibration.
– Follow the on–screen instructions, except, do not connect to the BTS antenna port, connect to the
directional coupler (fwd) port associated with the on screen prompt antenna port.
NOTE
S Selecting Pilot (default) performs tests using a pilot signal only.
S Selecting Standard performs tests using pilot, synch, paging and six traffic channels. This requires
an MCC to be selected.
S Selecting CDFPilot performs tests using a pilot signal, however, the gain for the channel elements
is specified in the CDF file.
S Selecting CDF performs tests using pilot, synch, paging and six traffic channels, however, the gain
for the channel elements is specified in the CDF file.
9 Save the result and download the BLO data to the target BBX(s):
– Click the Save Result button on the result screen.
The window closes automatically.
10 Logout from the BTS and close the LMF session:
– Click BTS>Logout to close the BTS connection.
– Close the LMF window.
11 Restore the new “bts–*.cal” file to the CBSC.
12 Enable the target device(s) from the CBSC.
H