910-269-EN, Rev. B, June 2011
vi Table of Contents
5.1 Reject ......................................................................................................................... 101
5.2 Peak Memory ........................................................................................................... 102
5.3 Peak Hold ................................................................................................................. 104
5.4 Freeze ........................................................................................................................ 104
5.5 Grid Modes .............................................................................................................. 105
6. Gates (Conventional UT Mode) ............................................................ 109
6.1 Measurement Gates 1 and 2 .................................................................................. 110
6.2 Quickly Adjusting Basic Gate Parameters ........................................................... 112
6.3 Interface Gate (Optional) ....................................................................................... 113
6.4 Gate Measurement Modes ..................................................................................... 113
6.5 Viewing Measurement Readings .......................................................................... 116
6.6 Gate Tracking and Echo-to-Echo Measurements ............................................... 116
6.7 Operating in Time-of-Flight Mode ....................................................................... 118
6.8 Using the Zoom ....................................................................................................... 119
6.8.1 Activating the Zoom .................................................................................... 119
6.8.2 Zoom Applications ...................................................................................... 119
6.9 Gate Alarms ............................................................................................................. 120
6.9.1 Threshold Alarms ........................................................................................ 120
6.9.2 Minimum Depth Alarm .............................................................................. 121
6.9.3 Minimum Depth Alarm with a Single Gate ............................................. 121
6.9.4 Minimum Depth Alarm with Gate Tracking ........................................... 122
7. Reference Cursors .................................................................................... 123
7.1 Cursors A and B ...................................................................................................... 123
7.2 Activating and Positioning Cursors ..................................................................... 124
7.3 Cursor Measurements ............................................................................................ 125
8. Input and Output Features ..................................................................... 127
8.1 VGA Output ............................................................................................................ 127
8.2 Analog Outputs ....................................................................................................... 128
8.3 Trigger Input and Output ...................................................................................... 130
8.4 Serial Communication (RS-232) ............................................................................ 131
8.5 USB Communication .............................................................................................. 131
8.5.1 USB Client ..................................................................................................... 131
8.5.2 USB Host ........................................................................................................ 131
8.6 Serial/USB Command Protocol ............................................................................. 132
9. Calibrating the EPOCH 1000 Series
(Conventional UT Mode) ....................................................................... 133
9.1 Getting Started ......................................................................................................... 134
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