EVERY TIME THE DRUM PASSES THE 6 O'CLOCK POSTION, IT WILL AXIALLY SHIFT SO THAT GUARD RECORDS WILL BE RECORDED ON THE NEXT COLUMN. WITH THREE SHIFTS, UP TO 4 COLUMNS TOTALLING 48 HOURS CAN BE RECORDED. RESETTING THE DRUM RIGHT AFTER 6 O'CLOCK GIVES IT ITS MAXIMUM RANGE.
