Olympus EPOCH 650 User Manual page 6

DMTA-10055-01EN, Rev. A, February 2015
5.4.3 Damping ........................................................................................................ 109
5.4.4 Test Mode ...................................................................................................... 109
5.4.5 Pulser Type .................................................................................................... 110
5.4.6 Pulser Frequency Selection (Pulse Width) ................................................ 111
5.5 Receiver Adjustments ............................................................................................. 111
5.5.1 Digital Receiver Filters ................................................................................ 111
5.5.2 Waveform Rectification ............................................................................... 113
6. Managing Special Waveform Functions .............................................. 115
6.1 Reject ......................................................................................................................... 115
6.2 Peak Memory ........................................................................................................... 116
6.3 Peak Hold ................................................................................................................. 118
6.4 Freeze ........................................................................................................................ 118
6.5 Grid Modes .............................................................................................................. 119
6.6 Baseline Break .......................................................................................................... 122
7. Gates ........................................................................................................... 123
7.1 Measurement Gates 1 and 2 .................................................................................. 123
7.2 Quickly Adjusting Basic Gate Parameters ........................................................... 125
7.3 Gate Measurement Modes ..................................................................................... 126
7.4 Viewing Measurement Readings .......................................................................... 130
7.5 Gate Tracking and Echo-to-Echo Measurements ............................................... 130
7.6 Operating in Time-of-Flight Mode ....................................................................... 132
7.7 Zooming on a Gate ................................................................................................. 132
7.8 Gate Alarms ............................................................................................................. 133
7.8.1 Threshold Alarms ........................................................................................ 133
7.8.2 Minimum Depth Alarm .............................................................................. 134
7.8.3 Minimum Depth Alarm with a Single Gate ............................................. 134
7.8.4 Minimum Depth Alarm with Gate Tracking ........................................... 135
8. Programmable Inputs and Outputs ...................................................... 137
8.1 Alarm Outputs ........................................................................................................ 137
8.2 Serial/USB Command Protocol ............................................................................. 137
8.3 Trigger Inputs and Outputs ................................................................................... 138
8.4 Encoder Inputs ........................................................................................................ 139
8.5 Analog Output ........................................................................................................ 139
9. Calibration ................................................................................................. 143
9.1 Basic Setup ............................................................................................................... 143
9.2 Calibration Modes ................................................................................................... 144
9.2.1 Straight Beam Modes ................................................................................... 145
vi Table of Contents