User Manual

Test Set Calibration – continued
PRELIMINARY 2
SC 4812ET BTS Optimization/ATP – CDMA LMF
July 1999
3-60
Setting Cable Loss Values
Cable loss values for the TX and RX test cable configurations are
normally set by accomplishing cable calibration with use of the
applicable test equipment. The resulting values are stored in the cable
loss files. The cable loss values can also be set/changed manually.
Prerequisites
 Exit CDMA LMF.
Table 3-32: Setting Cable Loss Values
Step Action
1 Click on the Set RX Cable Loss or Set TX Cable Loss desktop icon.
2 Enter print and press the Enter key to display the existing cable loss values.
3 Enter add cn cl and press the Enter key to enter a new cable loss value (where cn is the channel
number and cl is the cable loss value – e.g., add 385 40.3 for channel 385 and a cable loss of 40.3
dB).
4 Enter print and press Enter to display the updated cable loss values.
5 Enter quit and press Enter when the cable loss values are as desired.
NOTE
 If cable loss values exist for two different channels the LMF will interpolate for all other channels.
 Enter help to display a list of commands.
 Enter get cn to display the cable loss for a channel number (where cn is the channel number).
 Enter save fn to create a new cable loss file with a different file name in the wlmf folder (where fn
is a file name). The created file is not a readable text file. This can be done to save cable loss values
for future use. The saved values can be retrieved with use of the load command.
 Enter load fn to load the cable loss values from a saved cable loss file. (where fn is a file name)
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