CMG-3V
The handheld control unit
This portable control unit provides easy access to the seismometer's
control commands, as well as displaying the output velocity and mass
position (
i.e.
acceleration) on an analogue meter.
Connections
The HCU provides
•
two identical 26-pin connectors for aiaching t o t he
HCU
or
RECORDER
connectors of the Surface Control Unit, and
•
a 10-pin connector through which you can power the instrument,
if desired. The power pins on this connector are directly
connected to those on the
SENSOR POWER
connector of the
Surface Control Unit. When using this alternative power
connection, you should ensure you do not inadvertently connect
two power supplies together.
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