910-269-EN, Rev. B, June 2011
Gates (Phased Array Mode) 269
15. Gates (Phased Array Mode)
This chapter describes the operation of measurement gates on the EPOCH 1000 Series
in phased array mode. Topics are as follows:
• General Gate Operation
• Gate S-Scan View
15.1 General Gate Operation
The functional operation, including measurement capabilities, of gate 1, gate 2, and
the interface gate (optional) in phased array mode is identical to operation in
conventional ultrasound mode. Refer to chapter
6 on page 109 for a complete
overview of gate functions.
15.2 Gate S-Scan View
The EPOCH 1000 Series displays gates in both the A-scan and S-scan views. The
placement of the gate(s) in A-scan view is identical to placement of the gate(s) in
conventional ultrasound mode.
In the S-scan view, gates are displayed as two colored lines overlaid on the S-scan
image. All gates applied to the S-scan are sound path gates. This means that the start
and end position values of the gates are represented in either inches, millimeters or
microseconds relative to the sound path of the display range.
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