Model 407790 Ver. 1.1 7/02L
13
Datalogging
The 407790 has an automatic and a manual datalogging function. Stored measurement results
can be displayed by pressing the RECALL button.
Manual Datalogging (1024 data sets)
1. Set the power switch to ON.
2. Use the SLM/ 1/1/ 1/3 button to select the desired SLM, 1/1 or 1/3 octave band sound
pressure level measurement screen.
3. Press the MEMORY button to enter to memory mode; the display shows M [0001] which is
the first data record address number.
70
[ 1 / 1 OCT ] 01 / 07 / 27 14:26:39
31.5Hz
50
30
40
60
2k500125 8k L W
L
FAST
dB
90
80
100
WA 75.2 dB
4. Press the STORE button and one set of data will be stored in the [0001] memory
address location. The address counter is incremented by one.
5. Repeat the above steps to store additional data.
6. Press the MEMORY button again to exit the memory mode.
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