DATA LOGGER SOUND LEVEL METER
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DC Signal
AC Signal
Ground
(11) RS-232 Interface:
The RS-232 signal output is a 9600 bps N, 8, 1 serial interface.
(12) Signal output terminal
AC:
1 Vrms Corresponding to each range step.
Output impedance 100
Ω
Output signal by standard 3.5mm coaxial socket signal on pin.
Note:
At “Auto” level range, output signal is Auto select on “Lo” or
“Med” or “Hi” level range.
DC:
Output: 10mV/dB
Output impedance 1K
Ω
Output signal by standard 3.5mm coaxial socket signal on
middle.
(13) External DC 9V power supply terminal
For connection with AC adapter.
(14) Tripod mounting screw.
(15) Battery Cover
V. DATA LOGGER CLOCK & INTERVAL SETUP
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DataLogger:
When one presses the "REC" button, the meter
will start recording, and pressing the "REC"
button again will stop recording, If you want to
clear the memory, power off the meter, then
press and hold “REC” button and then press
power button and hold at least 5 seconds, then
LCD will show "CLR" and “SURE” to clear the
memory.