User's Manual Part 2

Test Set Calibration – continued
6-74 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU MAY 2004
PRELIMINARY
Table 6-29: Procedure for Setting Cable Loss Values
Step Action
4 To edit existing values, click in the data box to be changed and change the value.
5 To delete a row, click on the row and then click on the Delete Row button.
6 For each tab with changes, click on the Save button to save displayed values.
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Click on the Dismiss button to close the window.
NOTE
S Values entered or changed after the Save button was used will be lost when the window is
dismissed.
S If cable loss values exist for two different channels the WinLMF will interpolate for all other
channels.
S Entered values will be used by the WinLMF as soon as they are saved. It is not necessary to log out
and log back into the WinLMF for changes to take effect.
Setting TX and RX Directional
Coupler Loss Value
If an in–service TX or RX directional coupler is installed in the RF path,
the loss due to the added coupler (e.g., 30 dB) must be manually entered
so it will be included in the WinLMF TX calibration and audit
calculations and the RX FER test. Follow the procedure in Table 6-30 to
enter directional coupler loss values.
Prerequisites
S WinLMF is logged into the BTS
S Path loss, in dB, of the TX coupler must be known.
Table 6-30: Procedure for Setting TX and RX Directional Coupler Loss Values
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 To edit existing values, click in the data box to be changed and change the value.
5 For each tab with changes, click on the Save button to save displayed values.
. . . continued on next page
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