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▲！You should cut off power supply before pull-in and out connecting cable of signal source.
7.Output interfaces of indicator must be strictly in accordance to the user's manual, you
should not alter any connection. If there is failure when using the indicator, you
should immediately unplug it, and send to manufacturers for repair. Ordinary
non-professional manufacturers should not repair it to avoid bigger damage.
8 .
Company advice for customers: start to use our indicator after test. The company is
only responsible for the quality of indicator, the biggest compensation is not more than
twice of indicator value, the company is not responsible failure of the whole system.
9.
The built-in battery of indicator is a consumable part that is not within the range of "three
guarantees".
▲！In order to prolong the battery service life, ensure fully charging before using. If
indicator has not been used for a long time, it must be charged every two months,
every time 20 to 25 hours.
(Note：Charging time is around 20-25 hours and the indicator must be power off)
▲！
When moving or installing the indicator, you must carefully move it and avoid
strong vibration, impact or bump in order to avoid electrode in the battery being
shorted and damaged
10. Since invoice date, the indicator has a one-year free repair period. If any
non-artificially failure happens under regular using conditions within this period, the user
can send the indicator with its guarantee card (of the correct number) back to our service
station or supplier for repair. The indicator shouldn’t be open without authorization ,
otherwise free guarantee will be cancelled
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