TB8100 Calibration Kit User’s Manual Adjusting the Receiver Lock Band 13Adjusting the Frequency SetupBefore the TB8100 base station is installed, connected, and configured, youmust prepare it for operation by adjusting the switching range of the reciter, andflattening the receiver response across the base station’s switching range.Note: If the required switching range for the base station has alreadybeen defined, you don’t need to perform these procedures.To prepare the base station for operation1. Adjust the receiver lock band (optional)2. Tune the receiver3. Adjust the exciter lock band (optional)Tip: Use the TB8100 Service Kit software to monitor the basestation and find out its current switching range.Adjusting the Receiver Lock BandThe first step in preparing the TB8100 base station for operation is to adjust thereceiver lock band (switching range). The lock band is the range of frequenciesthat the base station receiver or transmitter is calibrated to operate on.Equipment Tuning tool Calibration test unit (CTU)To adjust the receiver lock band1. Ensure you are already connected to the reciter.2. Select the Frequency Setup tab, and double-click Set Receiver VCO. TheSet Receiver VCO Wizard appears.3. Enter the center frequency (which must be a multiple of 500 kHz) of thelock band that you want to use, and click Next.4. Insert the tuning tool into the receiver VCO tuning hole and adjust thereceiver VCO trimmer to center the receiver VCO on the frequency youwant, and then click Finish.The lock band is now stored in the reciter, and the icon on the FrequencySetup tab indicates that this task is complete. You will now need to tune thereceiver front end.