Hioki 3169-20 Instruction Manual page 154

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9.1 RS-232C Connection
9.1 RS-232C Connection
• To avoid electric shock, always remove the power cord
• The instrument and modem should be turned off before
• Do not connect or disconnect the cable with power on.
Align the 9612 RS-232C cable with the connector of the 3169-20/21,
and insert the cable straight in. To prevent damage and contact failure,
do not exert excessive force on the cable.
from the instrument and disconnect any test leads before
connecting the RS-232C cable to the instrument.
connecting them.
Otherwise, the devices could be damaged.
• Always tighten the screws when connecting the RS-232C
cable.
• If the connector of the PC is not a D-sub9-pin connector, use a
commercially available conversion adapter.