GE Ultrasonic USM Go, Operator'S Manual

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Chapter 3. Making Measurements
70 USM Go Operator’s Manual
3.1.3a Defining Gate-Alarm Logic (SETUP-CONFIG2-GATE A or B LOGIC)
Each gate alarm can be triggered by one of two circumstances: either when an A-Scan echo crosses the gate or when no A-Scan echo crosses
the gate. Use the following procedure to specify the gate
LOGIC settings:
1. In the
SETUP
menu, activate the
CONFIG2
submenu using the joystick ( ).
2. Use the joystick ( ) to select the function titled GATE A (or GATE B ) LOGIC . Press the center of the joystick ( ) to activate
the function.
3. To choose the gate-alarm triggering logic, move the joystick up or down ( ). The following options are available:
•
POSITIVE
- An A-Scan signal crosses the gate
•
NEGATIVE
- No A-Scan signal crosses the gate
•
OFF
- No alarm is connected to the selected gate
Note:
Gate A and Gate B can be configured so that either gate triggers the alarm.
4. After making your choice, press the center of the joystick ( ) to deactivate the function.