Making Preparations for Measurements
Chapter 2 Making Preparations for Measurements
2-1
IM DLM4038-03EN
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App
Index
2.1 Handling Precautions
Safety Precautions
If you are using this instrument for the first time, make sure to read “Safety Precautions” on pages viii
to xi.
Do Not Remove the Case
Do not remove the case from the instrument. Some parts of the instrument use high voltages and
are extremely dangerous. For internal inspection and adjustment, contact your nearest YOKOGAWA
dealer.
Unplug If Abnormal Behavior Occurs
If you notice smoke or unusual odors coming from the instrument, immediately turn off the power and
unplug the power cord. Then, contact your nearest YOKOGAWA dealer.
Do Not Damage the Power Cord
Nothing should be placed on top of the power cord, and it should be kept away from any heat sources.
When removing the plug from the power outlet, do not pull on the cord. Pull from the plug. If the power
cord is damaged, contact your nearest YOKOGAWA dealer. Refer to page iv for the part number when
placing an order.
Operating Environment and Conditions
This instrument complies with the EMC standard under specific operating environment and operating
conditions. If the installation, wiring, and so on are not appropriate, the compliance conditions of the
EMC standard may not be met. In such cases, the user will be required to take appropriate measures.
General Handling Precautions
Do Not Place Objects on Top of the Instrument
Never place objects such as other instruments or objects that contain water on top of the instrument.
Doing so may damage the instrument.
Do Not Subject the Inputs to Mechanical Shock
Applying shock to the input connectors, probes, etc., can cause electrical noise to enter the instrument
through the signal lines.
Do Not Damage the LCD
Because the LCD is very vulnerable and can be easily scratched, do not allow any sharp objects near
it. Also, the LCD should not be exposed to vibrations or shocks.
Unplug during Extended Non-Use
Unplug the power cord from the outlet.