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Chapter 2. Instrument Setup
2.4.3 Adjusting the Pulser Repetition Frequency (PRF) (cont.)
4.
If PRF MODE is set to AUTO HIGH, AUTO MED or AUTO LOW, the automatically calculated value is displayed in the function
box. If you selected the MANUAL option, you may now adjust the PRF value by moving the joystick left or right (
Note: The PRF setting may be limited based on the user-selected pulser voltage setting. This feature acts to limit signal dissipation.
2.4.4 Setting the Pulser Voltage
The relative energy with which the pulser fires is adjusted by changing the VOLTAGE setting. To set the pulser voltage level:
1.
In the ACQUIRE menu, activate the PULSER submenu using the joystick (
2.
Use the joystick (
•
Set the voltage level to HIGH or LOW, for a standard PULSER TYPE setting of SPIKE, or
•
Specify the actual VOLTAGE value, for an optional PULSER TYPE setting of SQUARE
3.
After completing your selection, move the joystick up or down (
42
) to select the function titled VOLTAGE. Press the function toggle or move the joystick (
).
) to navigate away from this function.
).
) to:
USM Go Operator's Manual
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