1. Does the DRT Rx used with Truesite, need to be trained when used in Indoor mode?

Does the DRT Rx used with Truesite, need to be trained when used in Indoor mode?

Prior to indoor operation, the system should be synchronized with the GPS system outdoors. This ensures proper indoor operation for up to 8 hours for all scan scenarios under typical conditions. Once the GPS signal is lost, the number of RF channels that can be properly scanned will depend on how long the GPS has been lost.