NAV SD 501 and NAV SD 101 Scaling Decoders • HTML Operation
54
PRELIMINAR
Y
USB (NAV SD 501 only)
The
USB
selection on the
Device
Settings
on page 48) opens a read-
only pane (see figure 56) that shows the status of the USB 2.0 port (see
port can be turned on and off and it can be configured by clicking the
Edit
button (
1
). An
editable version of the selection opens (see figure 57).
1
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Figure 56.
USB Selection
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Figure 57.
Editable USB Selection
1
USB Port
— Click to toggle the port on and off.
NOTE:
If you turn the USB port off, the port does not appear on the
Ties
page.
2
Mode
— Click the drop-down list to select between
Device
and
Host
.
NOTES:
•
Host
mode allows a host device such as a PC to be connected or accepted to
that endpoint.
•
Device
mode allows devices to be connected or accepted to that endpoint.
•
You can tie a USB host only to a USB device for proper system operation.
•
If you connect a host to an endpoint that is in USB device mode, the endpoint
cannot recognize the device.
3
Device Class Filtering
— Click the drop-down list to select between
USB
2
.
0
and
HID
Only
(human interface device).
NOTE:
USB Device Class filtering limits the functionality of extended USB devices.
•
USB
2
.
0
- No restrictions, allows all USB devices to function.
•
HID
Only
- Allows only devices such as a keyboard and mouse to function.
4
Save and Cancel buttons
— Click
Save
to take
USB
changes or
Cancel
to abandon
them. Clicking either button closes the editable pane.
