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Pricing and specifications subject to change without notice.
Here is a wiring diagram for the Behringer UMC202HD.
the funny connectors for the inputs. These will accept an XLR mic level input jack or a 1/4" mono line level phone
pair of 1/8"
mono to 1/4" monocables
are needed to connect from LP-PAN 2 to the UMC202HD. These are
available from TelePost, Amazon, pro audio shops, Best Buy and others.
In addition, of course, the USB cable on the back would be plugged into
a USB 2.0 or 3.0 jack on your PC, and the Output connectors on the back
would be plugged into powered speakers or headphones if you plan to use
the UMC202HD for audio output from NaP3.
Front panel settings for the UMC202HD should be as follows...
LINE/INST switches in INST position
PAD switches OFF
Direct Monitor switch OFF
OUTPUT and PHONES as needed if you plan to listen to the output of NaP3 through the UMC202HD
The table below lists some suggested GAIN settings for the input pots,
along with the resulting effect on noise floor and sound card clipping
levels. The difference in these levels represents the usable dynamic
range, which is on the order of 103 to 105 dB. The table assumes that
the Windows Mixer gain is set to -26.0 dB (20%). I tried a number of
combinations, and 20% seemed to be the sweet spot. Raising the
mixer gain just requires lowering the pot settings since they interact.
Note that these are actual measured values, not relative numbers. Raising
the mixer level too high causes spurious signals to appear in the noise
floor. I am open to feedback on this issue if users find a better
setting for the mixer level.
|Rig Preamp Off
|Rig Preamp On
|S9 + 66 dB
|S9 + 46 dB
|S9 + 60 dB
|S9 + 40 dB
|S9 + 52 dB
|S9 + 32 dB
setup for testing was to feed my HP-8657A signal generator into the
receiver input of my FTdx3000. The Set Level control in NaP3 was
adjusted for each test so that NaP3 displayed the actual signal
generator level values. The preamp on and off settings represent
a preamp setting of "IPO" for off and "AMP 2" for on. The FT3K also has
an "AMP 1" setting in-between these two. The preamp gain is
roughly 20 dB with "AMP 2". For reference, the measured conversion gain
on the FT3K between
receiver input and IF output was -11 dB (11 dB loss). This will
probably be different for other receivers, but probably not too much.
The LP-PAN 2
attenuator was OFF for these tests.
Download and Install Behringer driver...
Below is a
link to a copy of the latest release version of the UMC202HD USB driver.
the file into your Downloads folder, and extract the contents into your
Downloads folder. The contents will be extracted to a folder called...
Open the folder and click on the setup file...
Follow the steps in the setup screen to complete installation of the driver.
Set up the UMC202HD in Windows Mixer...
Right click on the small speaker icon in the Windows toolbar along the
bottom of the screen. The icon will either be in the toolbar, or in a
expanded verion of the toolbar accessed by clicking on the up arrow "^"
in the toolbar. Select Recording Devices from the menu, and you will
see the pictures below. Select the UMC202HD Line In as shown, then
click on Properties. This will open up a 2nd screen with multiple tabs.
Set each of the tabs as shown below, then click OK to close the
If you plan to listen to the receiver output of NaP3, click on Playback
in the main Windows Mixer window. Your internal sound card Speakers
should be set as the default playback device since you will continue to
use that for most PC sound. You can also use that for NaP3 output, or
you can use the UMC202HD for NaP3 output. If you use the UMC202HD, you
must set the sample rate as shown to match the input settings.
Setting NaP3 Input for UMC202HD...
Go to NaP3 Setup and select the Input tab. Set the options as shown in
one of the two pictures below, depending on whether you will use the PC
sound card for NaP3 output or the Behringer.