Siemens HydroRanger 200 Instruction Manual page 219

P834 TVT Start Duration
Use this feature in conjunction with TVT Start Min (P833) to ignore false echoes (or pick
up true echoes) near the start of the Echo Profile.
Primary Index
Values
Related
Enter the time (in ms) for the TVT Curve to decrease from the TVT Start Min (P833) point
to the TVT Curve baseline.
P835 TVT Slope Min
Enter the minimum slope (in dB/s) for the middle of the TVT Curve.
Primary Index
Values
Related
Use this feature to adjust the slope declination, and use it in conjunction with TVT Start
Duration (when a long flat TVT Type is selected) to ensure the TVT Curve remains above
the false echoes in the middle of the Echo Profile. Alternatively, if TVT Type is set for TVT
Slopes (P830 = 6), preset is 2000.
7ML19985FC03
Single Point Model
Global
Range: 0 to 9999
Preset: 30
• P833 TVT Start Min
• P835 TVT Slope Min
Single Point Model
Global
Range: 0 to 9999
Preset: 200
• P830 TVT Type
• P834 TVT Start Duration
HydroRanger 200 – INSTRUCTION MANUAL
Dual Point Model
Transducer
Dual Point Model
Transducer
Page 209