Locate Settings - Xavant STIMPOD NMS 410 Manual

Facial Mode: This item is toggled (On or Off ) by pressing the enter key. When on, the
resultant current determined by SMC will be limited to a 40mA maximum.

4.4) Locate Settings

Settings which are relevant to the locating mode is managed through this menu.
It contains the proximity indicator expandable menu item, current mode item and
depending on the selected current mode either linear current mode range settings or an
item to navigate to the non-linear settings.
Proximity Indicator: The upper and lower limits of the proximity indicator as described
in 2.1 can be set by expanding the proximity indicator menu item, selecting the limit to
be changed using the wheel, then pressing enter to start editing and then changing the
value using the wheel. When the desired value is reached, the enter button will accept the
change. Alternatively, to discard the change press Cancel (menu button).
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Current mode - Linear: The linear mode is called linear because one ' c lick' on the wheel will
correspond with one increment as set in the specific current range. In the linear mode,
Pulse Width is not affected when turning the wheel. Pulse Width is selected when the
Menu/Pulse Width button is pressed. The Linear Mode essentially allows the user to select
different increment options for each of the three different current ranges.
The increment for each range can be set by scrolling to the range to be changed, initiating
edit using the enter button and then selecting a different option using the wheel. Each
range has preset options which can be selected.
Current Mode – Non-linear: The Non-Linear Mode facilitates the non-linear nature of the
current intensity versus the distance from the nerve. The required current intensity is
proportional to the square of the distance from the electrode to the nerve fibre.
This mode allows the user to define 20 adjustment positions in terms of current (mA) and
pulse width (ms). If correctly implemented each adjustment position should afford the
user a relatively linear progression in terms of the distance from needle tip to the nerve.
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