BB106411.book : 2237-ch4 Black 17
Chapter 4 – Data Operations
Using the AC Output
BB1064–11
4–17
2237 Controller
User Manual
6. Press to begin downloading the results. (Press
to cancel the operation.)
7. To view the data, start a spreadsheet program and open
the file from there. Refer to your program’s user manual
for instructions.
4.4 Using the AC Output
The 2237 Controller includes an AC output port, which trans-
mits sound straight from the microphone’s preamplifier. This
is useful, for example, for recording sounds to a DAT so you
can bring samples back to a laboratory for further analysis.
You may also want to use a set of headphones connected to
the AC port to monitor the measurement.
The AC output port is easy to use. All you need is the ap-
propriate cabling to get the signal from the sound level meter
into your DAT recorder or headphones. See section 6.2 or
contact your Brüel & Kjær dealer for information about order-
ing the required cables and adaptors.
4.4.1 To Record Measured Sound to a DAT
1. Set up measurement range and other settings as de-
scribed in section 3.4.
2. Check the AC output specifications given in section 6.1.
Set your DAT recorder appropriately, as described in your
DAT’s user manual.
3. Switch off the sound level meter and your DAT recorder.
4. Connect the LEMO end of a Brüel & Kjær A0403 LEMO
to BNC cable to the AC output socket on the back of the
sound level meter. Contact your Brüel & Kjær dealer if
you do not have this cable.
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