BRUEL & KJAER 1022 Instructions And Applications page 19

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Fig.4.2.
Object
under
test
Basic set-up for automatic recording
6. Select RECTIFIER RESPONSE
LOWER LIMITING FREQUENCY
WRITING SPEED
PAPER SPEED eg 10 mm/sec.
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7. Pull gear-lever marked X to the outer position. (See Fig.4.3.).
The paper drive speed now corresponds to the small numbers marked
around the PAPER SPEED knob.
8. Two types of recording can be made:
(a) Single chart recording (automatic recording over a length of 250
mm paper only),
(b) Continuous recording over any length of paper.
(a)
Single Chart Recording:
Set the PAPER DRIVE switch to "start" commencing the paper
to run, which will continue until the built-in automatic stop
switch declutches the drive· mechanism (less than one chart
length).
Reset recording paper by finger wheel Z (Fig.4.3.) until the
stylus rests on the 10 Hz line.
A chart of 250 mm length will now run off when the SINGLE
CHART- CONT. RECORD pushbutton is depressed for a short
time and then released. (It is possible to stop the recording at
any time by setting the PAPER DRIVE switch to "stop").
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