Data Sheet Trouble Shooting Guide Optimized for field use >8 hour battery life Instant On from standby mode Highest RF Immunity Built-in InstaCal™ Module-Fast, one connection calibration FlexCal™ Calibration-One calibration for all frequencies Built-in Power Meter Rugged and reliable Impact, dust and splash resistant Smallest, lightest Site Master™ Easy to use Integrated Help function S331D-like Classic Mode S331E-like Advanced Mode-Additional markers-Customizable shortcuts-Full-screen view Multiple USB ports 800 x 480 7" TFT touch screen-Alphanumeric keyboard-EZ Name Quick Matrix Backlit keypad Efficient sweep management Internally store >1000 files-Sweeps, setups, screenshots Fast preview of stored sweeps Line Sweep Tools (LST) Software-Edit sweeps, rename, archive-Generate PDF or HTML reports Standard *.dat sweep file format compatible with HHST-Widely accepted by operators SweepMasters DIRECT-Online trace delivery service