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Chapter 1. Precautions
This instrument is not suitable for outdoor use, especially in humid or highly dusty locations. Improper use
of this instrument may result in electric shocks. Please read the safety descriptions carefully before using
this tester in order to avoid improper or wrong use causing accidents.
1.1 Safety Signs
The following safety signs may appear in this manual and on this instrument.
: Note, please read this manual carefully for these contents.
: Protective ground terminal: Please ground this terminal properly before using this tester in
order to avoid electrical shock accidents from coming in contact with the case with power leakages.
: Warning Sign: When the product is used improperly, it may cause improper results to this
instrument or other DUT.
: Warning Sign: When the product is used improperly, it may cause injuries or even death.
1.2 Do not modify or make internal adjustments to this machine
Without authorization from our company, do not install replacement components or perform any
modifications or adjustments to this machine on your own in order to avoid increasing the danger of the
machine or causing damages to the machine.
1.3 Static Electricity
Do not allow objects with static electricity come in contact with this machine in order to prevent damages
to the machine.
1.4 Ground
There is a ground terminal inside the power socket of this tester. Please ground this terminal properly in
order to prevent electrical shock accidents from occurring when touching the case.
1.5 Power
Power cables that comply with the local country specifications must be used, and connectors applicable to
IEC320 connectors must be used for the connection of this instrument. Users must ensure that the ground
cable is properly grounded. If a fuse is included in the power plug, use fuses that comply with T(Time-
lag)1.25 ampere safety regulations, and ensure that it is AC power supply with a voltage between 98V-
132V/195V-264V @50/60Hz.
1.6 Warm Up
The tester can operate normally once the power is turned on; however, in order to achieve the accuracy
within specification, please turn on the machine in advance and let it warm up for 30 minutes before use.
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