3 System Controls
[ 1 ] I N S T R U C T I O N S F O R U S E 3 - 17
Gate
Adjusts the size of the pulsed Doppler gate. Gate sizes are determined by
transmit frequency.
Pushing the GATE control up increases gate size, and pushing the control
down decreases the gate size.
The gate size displays as the second number in the Image Parameter area,
at the bottom of the screen.
PRF
Adjusts the scale factor of the Pulsed Repetition Frequency (PRF)
in Doppler, the velocity range in Color Flow imaging, and the frequency
range in Power mode.
Pushing the PRF control up increases or shifts the scale factor up, and
pushing the control down shifts the scale down.
Gate
PRF
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