
the user and also affect the normal operation of the cash register.
2) During the operation, must use a three 3-pin power socket and a UPS that meet
CCC certification national standards. It needs to be grounded well and the supply
voltage shall be stable. Make sure the voltage of the outlet provides shall be in line
with the voltage marked on the label of the unit.
3) The unit shall be used under dry, ventilated & clean environment away from
sunlight. Avoid making the air vent of the host machine blocked or covered. Ensure the
air vent has an exhaust outlet with a certain opening gap.
4) The product is a Level A one, it may cause radio interference in living environment.
In such case, users may need to take practical & feasible measures against the
interference.
5) Be sure neither to lengthen cable nor to replace parts at your will, if you have any
demand, please contact with the reseller.
6) Be sure not to unplug or plug in any live part or external device when they are in
energized state, and the connecting cables of the POS between parts shall be
connected securely.
7) The RJ11 interface on the rear of the main unit is connected to the cash drawer, it
is not a communication port, and users cannot use this port for dial-up Internet access.
8) When inserting USB flash or disk, you shall kill virus to prevent the host machine
from virus. Android doesn't support NTFS file system. If the USB flash drive you insert is
NTFS file system, it won't be supported.
9) Do not switch on or off the host frequently, because it is easy to result in damage
on the machine.
10)Be sure not to sprinkle any liquid or fall any object into the unit.
11)Be sure not to keep heavy, strenuous movement, shake & heavy strike away from
the POS.
12)If any liquid sprinkles or any sundry falls into the unit, please shut it down
immediately & switch off power supply, take batteries down, dry the liquid or remove the
sundry. If you take the batteries down, you shall reset CMOS.
13)In case of safety fault, such as peculiar smell, abnormal sound, leakage, and other
faults, you must switch off the power supply at once and then contact with reseller.
When the POS is not in use, you shall switch off power supply. Do not directly turn off the
main power supply, you should exit the application program, turn off the machine, then
turn off the main power supply, and put on a dust cover.