Note: While this article mentions Lectrosonics products specifically, the facts and solutions apply generally to most professional wireless receivers.
Sound Devices 702, 722, and 744T hard disk recorders have broken new ground for size and performance of modern digital audio recorders. As with the introduction of many new product categories, however, some things that were taken for granted in the past may have to be re-thought moving forward. One area where the modern recorder is different than that of earlier generations is in its use of computing power.
Sound Devices strongly recommends shutting down equipment before connecting to or from any FireWire device with a connection that carries power (6-pin). Reports have come to our attention of isolated problems when hot-plugging IEEE 1394 (FireWire) devices. (Hot-plugging refers to making the connections when one or more of the devices—including the computer—is on.)
Q: How do I change the internal AA time code/time-of-day battery on a 7-Series recorder?
A: Changing the internal AA battery is a simple process outlined here in a step by procedure: