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k. OTHERS - LANGUAGE
(1) Press Up and Down to select the language in which menus and messages are
written. And press Enter to fix it.
l. OTHERS - UNIT (cm/s / kHz)
(1) Press Enter to change the unit of blood flow as follows:
cm/s: Blood flow velocity
kHz: Doppler frequency shift
m. OTHERS - FILTER (Arterial / Venous filter)
The high-pass filter cuts off Doppler signals with lower frequencies than filtering
frequency (200 or 80 Hz) for optimal audibility.
(1) Press Enter to change the filter as follows:
200 Hz: For arteries
80 Hz: For veins
n. OTHERS - SMOOTH (Smoothing filter)
(1) Press Enter to change smoothing frequency as follows:
10 Hz: For normal signals
5 Hz: For noisy signals
o. OTHERS - CAL (Calibration)
(1) Press Enter to change CAL mode as follows:
ON: Displays 4 step (3, 2, 1, 0, -1 kHz)
calibration waveform.
OFF: Measurement mode
p. OTHERS - AUTO-OFF (Automatic shut-off)
(1) Press Enter to change the mode.
For the explanation of Automatic shut-off, refer to 2-1. Turning the unit ON / OFF.
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