Battery Saver for Digitrax Throttles A tasty way to make an on/off switch ... For some inexplicable reason, Digitrax fails to provide an on/off switch on their wireless throttles and, unlike NCE, the Digitrax throttle continues to draw power even when not in use. The result is usually drained batteries when you have forgotten to take the battery out after an operating session. MRHMAG.COM • TABLE OF CONTENTS • INDEX