Instruction manual

CS Instruments
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Attention:
If the instrument hasn't been used for more than 2 months, the battery
might be over discharged. You should connect the battery charger and wait
about 2-3 minutes until the display can show you the actual battery status.
Applications
With all operating equipment, most leakage and electrical problems
produce a broad range of sound.
The high frequency ultrasonic components of these sounds are in nature,
extremely short wave.
A short wave signal tends to be fairly directional.
It is therefore simple to isolate these signals from any background plant
noises and to detect their exact location.
Figure B: LD 300 headphone and
charger connection diagram
Figure C: Battery charging operation
diagram