Users Manual

Power on/off
Power on: Press and hold the power key for three seconds until the screen displays the startup
screen.
Power off: Press and hold the power key for three seconds to bring up a dialog box and select
"Shutdown".
If abnormal, please press and hold the power button for ten seconds and reboot.
Charging
The indicator light changes from red to orange when charging and turns green when fully
charged.
It is normal that the battery will have slight heat during charging. After the battery is fully
charged, disconnect the charger from the AC power and then disconnect the product.
Warning：
 Use of an unapproved or incompatible power supply or charger may cause fire, explosion or
other hazards.
 Use only accessories approved by the device manufacturer that are compatible with this
model. Use of other types of accessories may violate the warranty of this device and may
result in a safety incident.
 Charging must be performed in a well-ventilated and well-discharged environment, away
from flammable and explosive materials.
 Do not remove or replace the battery, otherwise it may damage the product and cause
danger.
 Any kind of battery short circuit may cause serious consequences such as explosion, fire or
personal injury!
Safety statement
In order to use your wireless digital terminal safely and effectively, please read the following
information before use:
 The product's ambient temperature for use is: -10~60°C. Avoid using the product in
environments where the temperature is too high or too low.
 Turn off the machine at chemical plants, gas stations, and other places that are prone to
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED
BY AN INCORRECT TYPE
DISPOSE OF USED BATTERIES ACCORDING
TO THE INSTRUCTIONS
To prevent possible hearing damage,
do not listen at high volume levels for long periods.