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or follow-up rapid and efficient maintenance and troubleshooting testing, this product can provide you
with the highest performance solutions.
1.3 Safety tips
External power supply
The power adapter input meets the following requirements：100V～240V，50/60Hz；@0.5A。
The power adapter output meets the following requirements：12V~19V，1.5A，Polarity：center positive.
Please use AC adapter attached to this instrument and use external power supply strictly in
accordance with the specifications; otherwise it may cause equipment damage.
Internal battery
Inside the instrument is a special lithium battery. Only batteries for this instrument can be used. Do not use
batteries for other instruments. Only use this instrument to charge batteries. In order to use safely, the internal
charging circuit of the instrument sets multiple protection measures such as battery voltage, charging current,
charging temperature and so on. The charging temperature of the battery in the machine ranges from 0~50℃.
When the ambient temperature is too high, the charging will automatically terminate. When the instrument is
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