✓ While connecting your SV 200A to a PC by the SC 256A cable, first insert the lemo plug into the
instrument’s MULT. I/O socket and then the USB plug into the PC!
✓ Monitoring station should not be stored for a long time with discharged Li-Ion batteries. Storing with
batteries in discharged condition may damage them. If so, warranty for Li-Ion battery is void.
✓ If Monitoring station is planned to be stored for a long period of time, it is recommended to charge
its battery to 60% capacity. The battery should be charged at least once per 6 months.
✓ Before installing the station at the measurement site, make sure that the protective caps on the four
anti-bird spikes are removed. It is recommended to use the protective caps during transportation
and storage or other operations with the instrument like, laboratory calibration, etc. to avoid
personal injury.
✓ Tripod or pole with 3/8” thread is not recommended for permanent installation.
✓ The windscreen influences the free-field characteristics of the instrument, therefore it is important
to check its condition regularly. In the case of visible degradation of the foam surface it must be
replaced by the new one.
✓ Even though the SB 274 power supply unit has a high IP index (Ingress Protection), it is still not
recommended to leave it on the ground for safety reasons. Good practice is to mount it on the pole
or mast.
✓ While opening the control panel flap the coin-operated screw should be loosened using, for
example, a coin and then unscrewed with fingers until it stops. Opening the flap with the screw left
in the intermediate position may damage the varnish of the casing.
✓ Maximum sound pressure level that can affect the microphone without destroying its membrane is
146 dB.
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