Larson Davis System 824, Reference Manual

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11/8/00 Quick Start 4-3
Step 4
Using the
d
key, highlight the Calibration
menu item, then press the
r
key. The following
screen appears:
If you decide to calibrate the High
range as well as the Normal range,
there will be a forty second delay
while the instrument stabilizes at the
High range setting.
Step 5
Place the calibrator over the microphone. Using
the
d
key again, highlight the Change menu
item. Press the
c
key to start the Calibration pro-
cess. Activate the calibrator and follow the on-
screen instructions.
Taking Measurements and Storing Data
This section provides examples of how to select an instru-
ment ID, take a measurement, and store the resulting data.
SLM&RTA Measurements
Whether using the SSA, ISM, or LOG instrument, the SLM
is one of the most common functions used in the System
824. The following example explains how to record and
store a measurement in the SLM mode of the SSA instru-
ment.
If the 824 is already using the SSA
ID, there will be a ‘>’ to the left of
it’s name on the second menu line.. Step 1 To activate the SLM&RTA SSA instrument, press
the
SETUP key. A menu similar to the follow-
ing appears: