User manual

FCC Statement
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could avoid the users’ authority to
operate the equipment.
Important Safety Information
PLEASE READ THIS CAREFULLY BEFORE USING WF28
 Always treat your product with care and keep it in a clean and dust-free place
 Do not expose WF28 to moisture or humidity
 Do not expose WF28 to extreme high or low temperatures
 Do not attempt to disassemble your product
 Use only the chargers and batteries approved by WideFly Limited. The use of any other type may invalidate any approval
and warranty. No reverse charging with other chargers, they may have inverse polarity
 Never use the charger if the plug is damaged
 Never touch the charger it your hands/feet are wet
 Do not expose the charger to water, it may cause electrical fires
 Do not repair the charger yourself for your safety
 To reduce the risk of fire or burns, do not disassemble crush or puncture the battery
 Recycle or dispose of the battery safely and properly according to local laws and regulations
 Do not dispose of the battery in fire or water
 Do not let the metal contacts on the battery touch other metal object, it could lead to short-circuit and damage the battery
 For WF28 model, only approval batteries, chargers that are designed for the model can be used with WF28 PDA unit