Tenda 4G185 Quick Installation Manual page 86

English: Safety Precautions
Before performing an operation, read the operation instructions
and precautions to be taken, and follow them to prevent
accidents. The warning and danger items in other documents do
not cover all the safety precautions that must be followed. They
are only supplementary information, and the installation and
maintenance personnel need to understand the basic safety
precautions to be taken.
- Do not use the device in a place where wireless devices are not
allowed.
- Operating environment: Temperature: 0℃ - 40℃; Humidity:
(10% - 90%) RH, non-condensing; Storage environment:
Temperature: -40℃ - 70℃; Humidity: (5% - 90%) RH,
non-condensing.
- Keep the device away from water, fire, high electric field, high
magnetic field, and inflammable and explosive items.
- Do not use the USB cable if its plug or cord is damaged.
- If such phenomena as smoke, abnormal sound or smell appear
when you use the device, immediately stop using it and discon
nect its power supply, unplug all connected cables, and contact
the after-sales service personnel.
- Disassembling or modifying the device or its accessories
without authorization voids the warranty, and might cause
safety hazards.
- CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN
INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO LOCAL
REGULATIONS