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© 2021 unitech Electronics Co., Ltd. All rights reserved.
unitech is a registered trademark of unitech Electronics Co., Ltd.
MS838 User’s Manual
RISK OF EXPLOSION IF BATTERY IS
REPLACED INCORRECTLY.
DISPOSE OF USED BATTERIES ACCORDING
TO THE INSTRUCTIONS.
如果更換不正確之電池行事會有爆炸的風險
請依製造商說明書處理用過之電池
CAUTION!
如果更换不正确之电池行事会有爆炸的风险
请依制造商说明书处理用过之电池
Battery charge notice
It is important to consider temperature when the battery pack is charging.
Charging is most efficient at normal room temperature or in a slightly cooler
environment. It is essential that batteries are charged within the stated range of
0
°
C to 40
°
C. Charging batteries outside of the specified range could damage
the batteries and shorten their life cycle.
CAUTION!
Do not charge batteries at a temperature lower than 0
°
C. This will
and make the batteries unstable and dangerous. Please use a
battery temperature detecting device for a charger to ensure a
safe charging temperature range.
CAUTION!
To ensure the unit working properly, please keep all connectors
away from the contaminants staying inside of them such as dust,
grease, mud, and water. The negligence may cause the unit with
no communication, short circuited, overheated and so on.
CAUTION!
If the connector is damaged, please ensure the connector is being
fully repaired before use the unit to avoid causing short circuited.