SOUND LEVEL METER
6
DC Signal
AC Signal
Ground
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11
Signal output terminal
AC: 1 Vrms Corresponding to each range step.
Output impedance ≒ 100Ω
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 ≒ 1KΩ
Output signal by standard 3.5mm coaxial socket signal on middle.
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12
External DC 9V power supply terminal
For connection with AC adapter.
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13
Tripod mounting screw.
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14
Battery Cover
V. AUTO POWER OFF
By default, when the meter is powered on, it is under auto power off mode.
The meter will power itself off after 30 minutes if no key operation and no
RS232 communication and no recording combination at power on can
disable auto power off.
One may press and hold “FAST/SLOW” button and then power on the meter
and the will not show up to indicate that auto power off is disabled.
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