Dakota Ultrasonics DFX-8 plus MANUAL2 - Manual (Page 126)

Dakota Ultrasonics
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3) Press the LEFT and RIGHT arrow keys multiple times on the right
button wheel to scroll the DIM time.
4) Finally, press the MEAS key to return to the measurement screen and begin
taking readings.
10.8 Damping
The DFX-8 has a built-in damping feature to control the impedance input of the
receiver. This enables the user the ability to match and optimize the transducer for
better signal quality at various frequencies. The available settings are 50, 75, 100,
300, 600 and 1500 ohms. The procedures below outline the steps for selecting an
impedance setting, as follows:
Setting the Damping Value
1) Press the MENU key once to activate the menu items tab. Press the MENU
key multiple times to tab right, and the ESC key multiple times to tab left,
until the TUNE menu is highlighted and displaying the submenu items.
Alternatively, press the LEFT and RIGHT arrow keys multiple times
using the left button wheel.
2) Use the UP and DOWN arrow keys multiple times using the left button
wheel to scroll through the sub menu items until DAMPING is highlighted.