"MEASURING SYSTEM,COMPUTERIZED;CAN TAKE UP TO 144 MEAS. WITHIN A FASTENER HOLE TO ACCURACIES WITHIN 0.0001 IN.,COMPARE THE MEAS. W/PRESET DRAWING RQRS,AND SIGNAL OPERATOR A GO-NO-GO INDICATION W/A RED OR GREEN LIGHT,ALL THE QUALITY PARAMETERS OF EACH HOLE CAN BE PICTORIALLY DISPLAYED,IF NECESSARY,TO ASSIST IN CORRECTIVE ACTION,IN ADDITION,ALL MEAS. ARE PERMANENTLY RECORDED FOR FURTHER REFERENCE"