13
Operating Precautions
Connecting the Instrument to an External Device
CAUTION
• Use a common ground for both the instrument and the computer. Using different ground
circuits will result in a potential difference between the instrument’s ground and the
computer’s ground. If the communications cable is connected while such a potential
difference exists, it may result in equipment malfunction or failure.
• Before connecting or disconnecting any communications cable, always turn off the
instrument and the computer. Failure to do so could result in equipment malfunction or
damage.
• After connecting the RS-232C cable, tighten the screws on the connector securely.
Failure to secure the connector could result in equipment malfunction or damage.
Using External I/O Terminals
WARNING
To avoid electric shock or damage to the equipment, always observe the following
precautions when connecting to external terminals or connectors.
• Always turn off the power to the instrument and to any devices to be connected
before making connections.
• Be careful to avoid exceeding the ratings of external terminals and connectors.
• During operation, a wire becoming dislocated and contacting another conductive
object can be serious hazard. Use screws to secure the external connectors.
CD precautions
• Exercise care to keep the recorded side of discs free of dirt and scratches. When writing text on a disc’s
label, use a pen or marker with a soft tip.
• Keep discs inside a protective case and do not expose to direct sunlight, high temperature, or high humidity.
• Hioki is not liable for any issues your computer system experiences in the course of using this disc.
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