Chapter 4 – Data Operations
Using the AC Output
50
Brüel & KjærIntegrating Sound Level Meter Type 2239 A
User Manual
2. Check the AC output specifications given in section 6.1.
Set your DAT recorder appropriately, as described in its
user manual.
3. Switch off the sound level meter and your DAT recorder.
4. Connect the LEMO end of a Brüel & Kjær AO 0403 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.
5. Connect the BNC end of the cable (using an adaptor if
required) to your DAT recorder.
6. Switch on the sound level meter, calibrator, and DAT re-
corder.
7. Set the record levels on your DAT recorder appropriately.
8. If you intend to use a sound analyzer on the recording,
then connect a calibrator as described in section 3.1.
Switch on the calibrator and record a few seconds of the
calibration signal on the DAT. Take note of the calibration
level shown on the sound level meter. Remove the cali-
brator when you are done.
Fig.4.17 Location of the AC output socket
960160e
Serial Interface
AC Output socket
bb221911.book Page 50 Tuesday, July 24, 2001 11:23 AM
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